bcrypt_main.c File Reference

#include <wine/config.h>
#include <wine/port.h>
#include <ntstatus.h>
#include <windef.h>
#include <winbase.h>
#include <ntsecapi.h>
#include <bcrypt.h>
#include <wine/debug.h>
#include <wine/unicode.h>
#include <wine/library.h>

Include dependency graph for bcrypt_main.c:

Go to the source code of this file.

Macros
#define	WIN32_NO_STATUS
#define	MAX_HASH_OUTPUT_BYTES   64
#define	MAX_HASH_BLOCK_BITS   1024
#define	HMAC_PAD_LEN   64

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (bcrypt)
NTSTATUS WINAPI	BCryptAddContextFunction (ULONG table, const WCHAR *ctx, ULONG iface, const WCHAR *func, ULONG pos)
NTSTATUS WINAPI	BCryptAddContextFunctionProvider (ULONG table, const WCHAR *ctx, ULONG iface, const WCHAR *func, const WCHAR *provider, ULONG pos)
NTSTATUS WINAPI	BCryptRemoveContextFunction (ULONG table, const WCHAR *ctx, ULONG iface, const WCHAR *func)
NTSTATUS WINAPI	BCryptRemoveContextFunctionProvider (ULONG table, const WCHAR *ctx, ULONG iface, const WCHAR *func, const WCHAR *provider)
NTSTATUS WINAPI	BCryptEnumContextFunctions (ULONG table, const WCHAR *ctx, ULONG iface, ULONG *buflen, CRYPT_CONTEXT_FUNCTIONS **buffer)
void WINAPI	BCryptFreeBuffer (void *buffer)
NTSTATUS WINAPI	BCryptRegisterProvider (const WCHAR *provider, ULONG flags, CRYPT_PROVIDER_REG *reg)
NTSTATUS WINAPI	BCryptUnregisterProvider (const WCHAR *provider)
static BOOL	is_symmetric_key (const struct key *key)
static BOOL	is_asymmetric_encryption_key (struct key *key)
static BOOL	is_agreement_key (struct key *key)
static BOOL	is_signature_key (struct key *key)
static BOOL	match_operation_type (ULONG type, ULONG class)
NTSTATUS WINAPI	BCryptEnumAlgorithms (ULONG type, ULONG *ret_count, BCRYPT_ALGORITHM_IDENTIFIER **ret_list, ULONG flags)
static BOOL	is_alg_pseudo_handle (BCRYPT_ALG_HANDLE handle)
static struct object *	get_object (BCRYPT_HANDLE handle, ULONG magic)
static struct algorithm *	get_alg_object (BCRYPT_ALG_HANDLE handle)
static struct hash *	get_hash_object (BCRYPT_HASH_HANDLE handle)
static struct key *	get_key_object (BCRYPT_KEY_HANDLE handle)
static struct secret *	get_secret_object (BCRYPT_SECRET_HANDLE handle)
NTSTATUS WINAPI	BCryptGenRandom (BCRYPT_ALG_HANDLE handle, UCHAR *buffer, ULONG count, ULONG flags)
static struct algorithm *	create_algorithm (enum alg_id id, enum chain_mode mode, DWORD flags)
NTSTATUS WINAPI	BCryptOpenAlgorithmProvider (BCRYPT_ALG_HANDLE *handle, const WCHAR *id, const WCHAR *implementation, DWORD flags)
static void	destroy_object (struct object *obj)
NTSTATUS WINAPI	BCryptCloseAlgorithmProvider (BCRYPT_ALG_HANDLE handle, DWORD flags)
NTSTATUS WINAPI	BCryptGetFipsAlgorithmMode (BOOLEAN *enabled)
static NTSTATUS	generic_alg_property (enum alg_id id, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size)
static NTSTATUS	get_3des_property (enum chain_mode mode, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size)
static NTSTATUS	get_aes_property (enum chain_mode mode, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size)
static NTSTATUS	get_rc4_property (enum chain_mode mode, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size)
static NTSTATUS	get_rsa_property (enum chain_mode mode, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size)
static NTSTATUS	get_dsa_property (enum chain_mode mode, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size)
static NTSTATUS	get_pbkdf2_property (enum chain_mode mode, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size)
static NTSTATUS	get_alg_property (const struct algorithm *alg, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size)
static NTSTATUS	set_alg_property (struct algorithm *alg, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags)
static NTSTATUS	set_key_property (struct key *key, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags)
static NTSTATUS	get_hash_property (const struct hash *hash, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size)
static NTSTATUS	get_dh_property (const struct key *key, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size)
static NTSTATUS	get_key_property (const struct key *key, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size)
NTSTATUS WINAPI	BCryptGetProperty (BCRYPT_HANDLE handle, const WCHAR *prop, UCHAR *buffer, ULONG count, ULONG *res, ULONG flags)
static void	hash_prepare (struct hash *hash)
static NTSTATUS	hash_create (const struct algorithm *alg, UCHAR *secret, ULONG secret_len, ULONG flags, struct hash **ret_hash)
NTSTATUS WINAPI	BCryptCreateHash (BCRYPT_ALG_HANDLE handle, BCRYPT_HASH_HANDLE *ret_handle, UCHAR *object, ULONG object_len, UCHAR *secret, ULONG secret_len, ULONG flags)
NTSTATUS WINAPI	BCryptDuplicateHash (BCRYPT_HASH_HANDLE handle, BCRYPT_HASH_HANDLE *handle_copy, UCHAR *object, ULONG objectlen, ULONG flags)
static void	hash_destroy (struct hash *hash)
NTSTATUS WINAPI	BCryptDestroyHash (BCRYPT_HASH_HANDLE handle)
NTSTATUS WINAPI	BCryptHashData (BCRYPT_HASH_HANDLE handle, UCHAR *input, ULONG size, ULONG flags)
static void	hash_finalize (struct hash *hash, UCHAR *output, ULONG size)
NTSTATUS WINAPI	BCryptFinishHash (BCRYPT_HASH_HANDLE handle, UCHAR *output, ULONG size, ULONG flags)
static NTSTATUS	hash_single (struct algorithm *alg, UCHAR *secret, ULONG secret_len, UCHAR *input, ULONG input_len, UCHAR *output, ULONG output_len)
NTSTATUS WINAPI	BCryptHash (BCRYPT_ALG_HANDLE handle, UCHAR *secret, ULONG secret_len, UCHAR *input, ULONG input_len, UCHAR *output, ULONG output_len)
static NTSTATUS	key_asymmetric_create (enum alg_id alg_id, ULONG bitlen, struct key **ret_key)
static BOOL	is_equal_vector (const UCHAR *vector, ULONG len, const UCHAR *vector2, ULONG len2)
static NTSTATUS	key_symmetric_set_vector (struct key *key, UCHAR *vector, ULONG vector_len, BOOL force_reset)
static struct key *	key_symmetric_create (enum alg_id alg, enum chain_mode mode, ULONG block_size, const UCHAR *secret, ULONG secret_len)
static void	key_destroy (struct key *key)
static ULONG	get_block_size (struct algorithm *alg)
static NTSTATUS	key_symmetric_generate (struct algorithm *alg, BCRYPT_KEY_HANDLE *ret_handle, const UCHAR *secret, ULONG secret_len)
static NTSTATUS	key_symmetric_decrypt (struct key *key, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv, ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags)
static NTSTATUS	aes_unwrap (const UCHAR *secret, ULONG secret_len, const UCHAR *cipher, ULONG cipher_len, UCHAR *plain)
static NTSTATUS	key_import (struct algorithm *alg, struct key *decrypt_key, const WCHAR *type, BCRYPT_KEY_HANDLE *key, UCHAR *object, ULONG object_len, UCHAR *input, ULONG input_len)
static NTSTATUS	key_symmetric_encrypt (struct key *key, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv, ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags)
static NTSTATUS	aes_wrap (const UCHAR *secret, ULONG secret_len, const UCHAR *plain, ULONG plain_len, UCHAR *cipher)
static NTSTATUS	key_export (struct key *key, struct key *encrypt_key, const WCHAR *type, UCHAR *output, ULONG output_len, ULONG *size)
static NTSTATUS	convert_legacy_rsaprivate_blob (struct algorithm *alg, BCRYPT_RSAKEY_BLOB **rsa_data, ULONG *rsa_len, UCHAR *input, ULONG input_len)
static NTSTATUS	key_import_pair (struct algorithm *alg, const WCHAR *type, BCRYPT_KEY_HANDLE *ret_key, UCHAR *input, ULONG input_len)
NTSTATUS WINAPI	BCryptGenerateSymmetricKey (BCRYPT_ALG_HANDLE handle, BCRYPT_KEY_HANDLE *ret_handle, UCHAR *object, ULONG object_len, UCHAR *secret, ULONG secret_len, ULONG flags)
NTSTATUS WINAPI	BCryptGenerateKeyPair (BCRYPT_ALG_HANDLE handle, BCRYPT_KEY_HANDLE *ret_handle, ULONG key_len, ULONG flags)
NTSTATUS WINAPI	BCryptFinalizeKeyPair (BCRYPT_KEY_HANDLE handle, ULONG flags)
NTSTATUS WINAPI	BCryptImportKey (BCRYPT_ALG_HANDLE handle, BCRYPT_KEY_HANDLE decrypt_key_handle, const WCHAR *type, BCRYPT_KEY_HANDLE *ret_handle, UCHAR *object, ULONG object_len, UCHAR *input, ULONG input_len, ULONG flags)
NTSTATUS WINAPI	BCryptExportKey (BCRYPT_KEY_HANDLE export_key_handle, BCRYPT_KEY_HANDLE encrypt_key_handle, const WCHAR *type, UCHAR *output, ULONG output_len, ULONG *size, ULONG flags)
static NTSTATUS	key_duplicate (struct key *key_orig, struct key **ret_key)
NTSTATUS WINAPI	BCryptDuplicateKey (BCRYPT_KEY_HANDLE handle, BCRYPT_KEY_HANDLE *handle_copy, UCHAR *object, ULONG object_len, ULONG flags)
static const WCHAR *	resolve_blob_type (const WCHAR *type, UCHAR *input, ULONG input_len)
NTSTATUS WINAPI	BCryptImportKeyPair (BCRYPT_ALG_HANDLE handle, BCRYPT_KEY_HANDLE decrypt_key_handle, const WCHAR *type, BCRYPT_KEY_HANDLE *ret_handle, UCHAR *input, ULONG input_len, ULONG flags)
NTSTATUS WINAPI	BCryptSignHash (BCRYPT_KEY_HANDLE handle, void *padding, UCHAR *input, ULONG input_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags)
NTSTATUS WINAPI	BCryptVerifySignature (BCRYPT_KEY_HANDLE handle, void *padding, UCHAR *hash, ULONG hash_len, UCHAR *signature, ULONG signature_len, ULONG flags)
NTSTATUS WINAPI	BCryptDestroyKey (BCRYPT_KEY_HANDLE handle)
NTSTATUS WINAPI	BCryptEncrypt (BCRYPT_KEY_HANDLE handle, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv, ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags)
NTSTATUS WINAPI	BCryptDecrypt (BCRYPT_KEY_HANDLE handle, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv, ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags)
NTSTATUS WINAPI	BCryptSetProperty (BCRYPT_HANDLE handle, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags)
NTSTATUS WINAPI	BCryptDeriveKeyCapi (BCRYPT_HASH_HANDLE handle, BCRYPT_ALG_HANDLE halg, UCHAR *key, ULONG keylen, ULONG flags)
static NTSTATUS	pbkdf2 (struct hash *hash, UCHAR *pwd, ULONG pwd_len, UCHAR *salt, ULONG salt_len, ULONGLONG iterations, ULONG i, UCHAR *dst, ULONG hash_len)
static NTSTATUS	derive_key_pbkdf2 (struct algorithm *alg, UCHAR *pwd, ULONG pwd_len, UCHAR *salt, ULONG salt_len, ULONGLONG iterations, UCHAR *dk, ULONG dk_len)
NTSTATUS WINAPI	BCryptDeriveKeyPBKDF2 (BCRYPT_ALG_HANDLE handle, UCHAR *pwd, ULONG pwd_len, UCHAR *salt, ULONG salt_len, ULONGLONG iterations, UCHAR *dk, ULONG dk_len, ULONG flags)
NTSTATUS WINAPI	BCryptSecretAgreement (BCRYPT_KEY_HANDLE privkey_handle, BCRYPT_KEY_HANDLE pubkey_handle, BCRYPT_SECRET_HANDLE *ret_handle, ULONG flags)
NTSTATUS WINAPI	BCryptDestroySecret (BCRYPT_SECRET_HANDLE handle)
static void	reverse_bytes (UCHAR *buf, ULONG len)
static NTSTATUS	derive_key_raw (struct secret *secret, UCHAR *output, ULONG output_len, ULONG *ret_len)
static struct algorithm *	get_hash_alg (BCryptBuffer *buf, BOOL hmac)
static NTSTATUS	derive_key_hash (struct secret *secret, BCryptBufferDesc *desc, UCHAR *output, ULONG output_len, ULONG *ret_len)
NTSTATUS WINAPI	BCryptDeriveKey (BCRYPT_SECRET_HANDLE handle, const WCHAR *kdf, BCryptBufferDesc *desc, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags)
NTSTATUS WINAPI	BCryptKeyDerivation (BCRYPT_KEY_HANDLE handle, BCryptBufferDesc *desc, UCHAR *output, ULONG output_size, ULONG *ret_len, ULONG flags)
BOOL WINAPI	DllMain (HINSTANCE hinst, DWORD reason, LPVOID reserved)

Variables
static HINSTANCE	instance
struct {
const WCHAR *   name
ULONG   class
ULONG   object_length
ULONG   hash_length
ULONG   block_bits
}	builtin_algorithms []
static const struct algorithm	pseudo_algorithms []

Macro Definition Documentation

HMAC_PAD_LEN

#define HMAC_PAD_LEN   64

Definition at line 2392 of file bcrypt_main.c.

MAX_HASH_BLOCK_BITS

#define MAX_HASH_BLOCK_BITS   1024

Definition at line 102 of file bcrypt_main.c.

MAX_HASH_OUTPUT_BYTES

#define MAX_HASH_OUTPUT_BYTES   64

Definition at line 101 of file bcrypt_main.c.

WIN32_NO_STATUS

#define WIN32_NO_STATUS

Definition at line 25 of file bcrypt_main.c.

Function Documentation

aes_unwrap()

static NTSTATUS aes_unwrap ( const UCHAR *  secret, ULONG  secret_len, const UCHAR *  cipher, ULONG  cipher_len, UCHAR *  plain  )

static

Definition at line 1355 of file bcrypt_main.c.

{
    UCHAR a[8], *r, b[16];
    ULONG len, t, i, n = cipher_len / 8;
    int j;
    struct key *key;
 
    memcpy( a, cipher, 8 );
    r = plain;
    memcpy( r, cipher + 8, 8 * n );
 
    if (!(key = key_symmetric_create( ALG_ID_AES, CHAIN_MODE_ECB, 16, secret, secret_len ))) return STATUS_NO_MEMORY;
 
    for (j = 5; j >= 0; j--)
    {
        r = plain + (n - 1) * 8;
        for (i = n; i >= 1; i--)
        {
            memcpy( b, a, 8 );
            t = n * j + i;
            b[7] ^= t;
            b[6] ^= t >> 8;
            b[5] ^= t >> 16;
            b[4] ^= t >> 24;
 
            memcpy( b + 8, r, 8 );
            key_symmetric_decrypt( key, b, 16, NULL, NULL, 0, b, 16, &len, 0 );
            memcpy( a, b, 8 );
            memcpy( r, b + 8, 8 );
            r -= 8;
        }
    }
 
    key_destroy( key );
 
    for (i = 0; i < 8; i++) if (a[i] != 0xa6) return STATUS_UNSUCCESSFUL;
    return STATUS_SUCCESS;
}

Referenced by key_import().

aes_wrap()

static NTSTATUS aes_wrap ( const UCHAR *  secret, ULONG  secret_len, const UCHAR *  plain, ULONG  plain_len, UCHAR *  cipher  )

static

Definition at line 1552 of file bcrypt_main.c.

{
    UCHAR *a, *r, b[16];
    ULONG len, t, i, j, n = plain_len / 8;
    struct key *key;
 
    a = cipher;
    r = cipher + 8;
 
    memset( a, 0xa6, 8 );
    memcpy( r, plain, 8 * n );
 
    if (!(key = key_symmetric_create( ALG_ID_AES, CHAIN_MODE_ECB, 16, secret, secret_len ))) return STATUS_NO_MEMORY;
 
    for (j = 0; j <= 5; j++)
    {
        r = cipher + 8;
        for (i = 1; i <= n; i++)
        {
            memcpy( b, a, 8 );
            memcpy( b + 8, r, 8 );
            key_symmetric_encrypt( key, b, 16, NULL, NULL, 0, b, 16, &len, 0 );
            memcpy( a, b, 8 );
            t = n * j + i;
            a[7] ^= t;
            a[6] ^= t >> 8;
            a[5] ^= t >> 16;
            a[4] ^= t >> 24;
            memcpy( r, b + 8, 8 );
            r += 8;
        }
    }
 
    key_destroy( key );
    return STATUS_SUCCESS;
}

Referenced by key_export().

BCryptAddContextFunction()

NTSTATUS WINAPI BCryptAddContextFunction	(	ULONG	table,
		const WCHAR *	ctx,
		ULONG	iface,
		const WCHAR *	func,
		ULONG	pos
	)

Definition at line 50 of file bcrypt_main.c.

{
    FIXME( "%#lx, %s, %#lx, %s, %lu: stub\n", table, debugstr_w(ctx), iface, debugstr_w(func), pos );
    return STATUS_SUCCESS;
}

BCryptAddContextFunctionProvider()

NTSTATUS WINAPI BCryptAddContextFunctionProvider	(	ULONG	table,
		const WCHAR *	ctx,
		ULONG	iface,
		const WCHAR *	func,
		const WCHAR *	provider,
		ULONG	pos
	)

Definition at line 56 of file bcrypt_main.c.

{
    FIXME( "%#lx, %s, %#lx, %s, %s, %lu: stub\n", table, debugstr_w(ctx), iface, debugstr_w(func),
           debugstr_w(provider), pos );
    return STATUS_SUCCESS;
}

BCryptCloseAlgorithmProvider()

NTSTATUS WINAPI BCryptCloseAlgorithmProvider	(	BCRYPT_ALG_HANDLE	handle,
		DWORD	flags
	)

Definition at line 421 of file bcrypt_main.c.

{
    struct algorithm *alg = handle;
 
    TRACE( "%p, %#lx\n", handle, flags );
 
    if (!handle || is_alg_pseudo_handle( handle ) || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
    destroy_object( &alg->hdr );
    return STATUS_SUCCESS;
}

Referenced by assembly_get_pubkey_token(), CNG_CalcHash(), CryptHashCertificate2(), and test_VerifySignature().

BCryptCreateHash()

NTSTATUS WINAPI BCryptCreateHash	(	BCRYPT_ALG_HANDLE	handle,
		BCRYPT_HASH_HANDLE *	ret_handle,
		UCHAR *	object,
		ULONG	object_len,
		UCHAR *	secret,
		ULONG	secret_len,
		ULONG	flags
	)

Definition at line 951 of file bcrypt_main.c.

{
    struct algorithm *alg = get_alg_object( handle );
    struct hash *hash;
    NTSTATUS status;
 
    TRACE( "%p, %p, %p, %lu, %p, %lu, %#lx\n", handle, ret_handle, object, object_len, secret, secret_len, flags );
    if (flags & ~BCRYPT_HASH_REUSABLE_FLAG)
    {
        FIXME( "unimplemented flags %#lx\n", flags );
        return STATUS_NOT_IMPLEMENTED;
    }
    if (object) FIXME( "ignoring object buffer\n" );
 
    if (!alg) return STATUS_INVALID_HANDLE;
    if (!ret_handle) return STATUS_INVALID_PARAMETER;
 
    if ((status = hash_create( alg, secret, secret_len, flags, &hash ))) return status;
    *ret_handle = hash;
    TRACE( "returning handle %p\n", *ret_handle );
    return STATUS_SUCCESS;
}

Referenced by CNG_CalcHash(), CryptHashCertificate2(), and test_VerifySignature().

BCryptDecrypt()

NTSTATUS WINAPI BCryptDecrypt	(	BCRYPT_KEY_HANDLE	handle,
		UCHAR *	input,
		ULONG	input_len,
		void *	padding,
		UCHAR *	iv,
		ULONG	iv_len,
		UCHAR *	output,
		ULONG	output_len,
		ULONG *	ret_len,
		ULONG	flags
	)

Definition at line 2318 of file bcrypt_main.c.

{
    struct key *key = get_key_object( handle );
    struct key_asymmetric_decrypt_params params;
    NTSTATUS ret;
 
    TRACE( "%p, %p, %lu, %p, %p, %lu, %p, %lu, %p, %#lx\n", handle, input, input_len, padding, iv, iv_len, output,
           output_len, ret_len, flags );
 
    if (!key) return STATUS_INVALID_HANDLE;
 
    if (is_symmetric_key( key ))
    {
        if (flags & ~BCRYPT_BLOCK_PADDING)
        {
            FIXME( "flags %#lx not supported\n", flags );
            return STATUS_NOT_IMPLEMENTED;
        }
 
        EnterCriticalSection( &key->u.s.cs );
        ret = key_symmetric_decrypt( key, input, input_len, padding, iv, iv_len, output, output_len, ret_len, flags );
        LeaveCriticalSection( &key->u.s.cs );
    }
    else
    {
        if (flags & BCRYPT_PAD_NONE)
        {
            FIXME( "flags %#lx not implemented\n", flags );
            return STATUS_NOT_IMPLEMENTED;
        }
        if (!is_asymmetric_encryption_key( key )) return STATUS_NOT_SUPPORTED;
 
        params.key = key;
        params.input = input;
        params.input_len = input_len;
        params.padding = padding;
        params.output = output;
        params.output_len = output_len;
        params.ret_len = ret_len;
        params.flags = flags;
        ret = key_asymmetric_decrypt( &params );
    }
 
    return ret;
}

BCryptDeriveKey()

NTSTATUS WINAPI BCryptDeriveKey	(	BCRYPT_SECRET_HANDLE	handle,
		const WCHAR *	kdf,
		BCryptBufferDesc *	desc,
		UCHAR *	output,
		ULONG	output_len,
		ULONG *	ret_len,
		ULONG	flags
	)

Definition at line 2673 of file bcrypt_main.c.

{
    struct secret *secret = get_secret_object( handle );
 
    TRACE( "%p, %s, %p, %p, %lu, %p, %#lx\n", secret, debugstr_w(kdf), desc, output, output_len,
           ret_len, flags );
 
    if (!secret) return STATUS_INVALID_HANDLE;
    if (!kdf || !ret_len) return STATUS_INVALID_PARAMETER;
 
    if (!wcscmp(kdf, BCRYPT_KDF_RAW_SECRET))
    {
        return derive_key_raw( secret, output, output_len, ret_len );
    }
    else if (!wcscmp(kdf, BCRYPT_KDF_HASH))
    {
        return derive_key_hash( secret, desc, output, output_len, ret_len );
    }
 
    FIXME( "kdf %s not supportedi\n", debugstr_w(kdf) );
    return STATUS_NOT_SUPPORTED;
}

BCryptDeriveKeyCapi()

NTSTATUS WINAPI BCryptDeriveKeyCapi	(	BCRYPT_HASH_HANDLE	handle,
		BCRYPT_ALG_HANDLE	halg,
		UCHAR *	key,
		ULONG	keylen,
		ULONG	flags
	)

Definition at line 2393 of file bcrypt_main.c.

{
    struct hash *hash = get_hash_object( handle );
    UCHAR buf[MAX_HASH_OUTPUT_BYTES * 2];
    ULONG len, hash_size;
 
    TRACE( "%p, %p, %p, %lu, %#lx\n", handle, halg, key, keylen, flags );
 
    if (!hash) return STATUS_INVALID_HANDLE;
    if (!key || !keylen) return STATUS_INVALID_PARAMETER;
    hash_get_size( hash, &hash_size );
    if (keylen > hash_size * 2) return STATUS_INVALID_PARAMETER;
    if (halg)
    {
        FIXME( "algorithm handle not supported\n" );
        return STATUS_NOT_IMPLEMENTED;
    }
 
    hash_finalize( hash, buf, sizeof(buf) );
    len = hash_size;
    if (len < keylen)
    {
        UCHAR pad1[HMAC_PAD_LEN], pad2[HMAC_PAD_LEN];
        ULONG i;
 
        for (i = 0; i < sizeof(pad1); i++)
        {
            pad1[i] = 0x36 ^ (i < len ? buf[i] : 0);
            pad2[i] = 0x5c ^ (i < len ? buf[i] : 0);
        }
 
        hash_prepare( hash );
        hash_update( hash, pad1, sizeof(pad1) );
        hash_finish( hash, buf );
 
        hash_prepare( hash );
        hash_update( hash, pad2, sizeof(pad2) );
        hash_finish( hash, buf + len );
    }
    memcpy( key, buf, keylen );
    return STATUS_SUCCESS;
}

BCryptDeriveKeyPBKDF2()

NTSTATUS WINAPI BCryptDeriveKeyPBKDF2	(	BCRYPT_ALG_HANDLE	handle,
		UCHAR *	pwd,
		ULONG	pwd_len,
		UCHAR *	salt,
		ULONG	salt_len,
		ULONGLONG	iterations,
		UCHAR *	dk,
		ULONG	dk_len,
		ULONG	flags
	)

Definition at line 2518 of file bcrypt_main.c.

{
    struct algorithm *alg = get_alg_object( handle );
 
    TRACE( "%p, %p, %lu, %p, %lu, %s, %p, %lu, %#lx\n", handle, pwd, pwd_len, salt, salt_len,
           wine_dbgstr_longlong(iterations), dk, dk_len, flags );
 
    if (!alg) return STATUS_INVALID_HANDLE;
    return derive_key_pbkdf2( alg, pwd, pwd_len, salt, salt_len, iterations, dk, dk_len );
}

BCryptDestroyHash()

NTSTATUS WINAPI BCryptDestroyHash

(

BCRYPT_HASH_HANDLE

handle

)

Definition at line 1009 of file bcrypt_main.c.

{
    struct hash *hash = get_hash_object( handle );
 
    TRACE( "%p\n", handle );
 
    if (!hash) return STATUS_INVALID_PARAMETER;
    hash_destroy( hash );
    return STATUS_SUCCESS;
}

Referenced by CNG_CalcHash(), CryptHashCertificate2(), and test_VerifySignature().

BCryptDestroyKey()

NTSTATUS WINAPI BCryptDestroyKey

(

BCRYPT_KEY_HANDLE

handle

)

Definition at line 2261 of file bcrypt_main.c.

{
    struct key *key = get_key_object( handle );
 
    TRACE( "%p\n", handle );
 
    if (!key) return STATUS_INVALID_HANDLE;
    key_destroy( key );
    return STATUS_SUCCESS;
}

Referenced by cng_verify_msg_signature(), CNG_VerifySignature(), test_verify_ecc_signature(), test_VerifySignature(), and testImportPublicKey().

BCryptDestroySecret()

NTSTATUS WINAPI BCryptDestroySecret

(

BCRYPT_SECRET_HANDLE

handle

)

Definition at line 2563 of file bcrypt_main.c.

{
    struct secret *secret = get_secret_object( handle );
 
    TRACE( "%p\n", handle );
 
    if (!secret) return STATUS_INVALID_HANDLE;
    key_destroy( secret->privkey );
    key_destroy( secret->pubkey );
    destroy_object( &secret->hdr );
    return STATUS_SUCCESS;
}

BCryptDuplicateHash()

NTSTATUS WINAPI BCryptDuplicateHash	(	BCRYPT_HASH_HANDLE	handle,
		BCRYPT_HASH_HANDLE *	handle_copy,
		UCHAR *	object,
		ULONG	objectlen,
		ULONG	flags
	)

Definition at line 975 of file bcrypt_main.c.

{
    struct hash *hash_orig = get_hash_object( handle );
    struct hash *hash_copy;
 
    TRACE( "%p, %p, %p, %lu, %#lx\n", handle, handle_copy, object, objectlen, flags );
 
    if (!hash_orig) return STATUS_INVALID_HANDLE;
    if (!handle_copy) return STATUS_INVALID_PARAMETER;
    if (object) FIXME( "ignoring object buffer\n" );
 
    if (!(hash_copy = malloc( sizeof(*hash_copy) ))) return STATUS_NO_MEMORY;
 
    memcpy( hash_copy, hash_orig, sizeof(*hash_orig) );
    if (hash_orig->secret && !(hash_copy->secret = malloc( hash_orig->secret_len )))
    {
        free( hash_copy );
        return STATUS_NO_MEMORY;
    }
    memcpy( hash_copy->secret, hash_orig->secret, hash_orig->secret_len );
 
    *handle_copy = hash_copy;
    TRACE( "returning handle %p\n", *handle_copy );
    return STATUS_SUCCESS;
}

BCryptDuplicateKey()

NTSTATUS WINAPI BCryptDuplicateKey	(	BCRYPT_KEY_HANDLE	handle,
		BCRYPT_KEY_HANDLE *	handle_copy,
		UCHAR *	object,
		ULONG	object_len,
		ULONG	flags
	)

Definition at line 2145 of file bcrypt_main.c.

{
    struct key *key_orig = get_key_object( handle );
    struct key *key_copy;
    NTSTATUS status;
 
    TRACE( "%p, %p, %p, %lu, %#lx\n", handle, handle_copy, object, object_len, flags );
    if (object) FIXME( "ignoring object buffer\n" );
 
    if (!key_orig) return STATUS_INVALID_HANDLE;
    if (!handle_copy) return STATUS_INVALID_PARAMETER;
 
    if ((status = key_duplicate( key_orig, &key_copy ))) return status;
 
    *handle_copy = key_copy;
    TRACE( "returning handle %p\n", *handle_copy );
    return STATUS_SUCCESS;
}

BCryptEncrypt()

NTSTATUS WINAPI BCryptEncrypt	(	BCRYPT_KEY_HANDLE	handle,
		UCHAR *	input,
		ULONG	input_len,
		void *	padding,
		UCHAR *	iv,
		ULONG	iv_len,
		UCHAR *	output,
		ULONG	output_len,
		ULONG *	ret_len,
		ULONG	flags
	)

Definition at line 2272 of file bcrypt_main.c.

{
    struct key *key = get_key_object( handle );
    struct key_asymmetric_encrypt_params asymmetric_params;
    NTSTATUS ret;
 
    TRACE( "%p, %p, %lu, %p, %p, %lu, %p, %lu, %p, %#lx\n", handle, input, input_len, padding, iv, iv_len, output,
           output_len, ret_len, flags );
 
    if (!key) return STATUS_INVALID_HANDLE;
 
    if (is_symmetric_key( key ))
    {
        if (flags & ~BCRYPT_BLOCK_PADDING)
        {
            FIXME( "flags %#lx not implemented\n", flags );
            return STATUS_NOT_IMPLEMENTED;
        }
        EnterCriticalSection( &key->u.s.cs );
        ret = key_symmetric_encrypt( key, input, input_len, padding, iv, iv_len, output, output_len, ret_len, flags );
        LeaveCriticalSection( &key->u.s.cs );
    }
    else
    {
        if (flags & BCRYPT_PAD_NONE)
        {
            FIXME( "flags %#lx not implemented\n", flags );
            return STATUS_NOT_IMPLEMENTED;
        }
        if (!is_asymmetric_encryption_key( key )) return STATUS_NOT_SUPPORTED;
 
        asymmetric_params.input = input;
        asymmetric_params.input_len = input_len;
        asymmetric_params.padding = padding;
        asymmetric_params.key = key;
        asymmetric_params.output = output;
        asymmetric_params.output_len = output_len;
        asymmetric_params.ret_len = ret_len;
        asymmetric_params.flags = flags;
        ret = key_asymmetric_encrypt( &asymmetric_params );
    }
 
    return ret;
}

BCryptEnumAlgorithms()

NTSTATUS WINAPI BCryptEnumAlgorithms	(	ULONG	type,
		ULONG *	ret_count,
		BCRYPT_ALGORITHM_IDENTIFIER **	ret_list,
		ULONG	flags
	)

Definition at line 175 of file bcrypt_main.c.

{
    static const ULONG supported = BCRYPT_CIPHER_OPERATION |\
                                   BCRYPT_HASH_OPERATION |\
                                   BCRYPT_ASYMMETRIC_ENCRYPTION_OPERATION |\
                                   BCRYPT_SECRET_AGREEMENT_OPERATION |\
                                   BCRYPT_SIGNATURE_OPERATION |\
                                   BCRYPT_RNG_OPERATION |\
                                   BCRYPT_KEY_DERIVATION_OPERATION;
    BCRYPT_ALGORITHM_IDENTIFIER *list;
    ULONG i, j, count = 0;
 
    TRACE( "%#lx, %p, %p, %#lx\n", type, ret_count, ret_list, flags );
 
    if (!ret_count || !ret_list || (type & ~supported)) return STATUS_INVALID_PARAMETER;
 
    for (i = 0; i < ARRAY_SIZE( builtin_algorithms ); i++)
    {
        if (match_operation_type( type, builtin_algorithms[i].class )) count++;
    }
 
    if (!(list = malloc( count * sizeof(*list) ))) return STATUS_NO_MEMORY;
 
    for (i = 0, j = 0; i < ARRAY_SIZE( builtin_algorithms ); i++)
    {
        if (!match_operation_type( type, builtin_algorithms[i].class )) continue;
        list[j].pszName = (WCHAR *)builtin_algorithms[i].name;
        list[j].dwClass = builtin_algorithms[i].class;
        list[j].dwFlags = 0;
        j++;
    }
 
    *ret_count = count;
    *ret_list = list;
    return STATUS_SUCCESS;
}

BCryptEnumContextFunctions()

NTSTATUS WINAPI BCryptEnumContextFunctions	(	ULONG	table,
		const WCHAR *	ctx,
		ULONG	iface,
		ULONG *	buflen,
		CRYPT_CONTEXT_FUNCTIONS **	buffer
	)

Definition at line 77 of file bcrypt_main.c.

{
    FIXME( "%#lx, %s, %#lx, %p, %p\n", table, debugstr_w(ctx), iface, buflen, buffer );
    return STATUS_NOT_IMPLEMENTED;
}

BCryptExportKey()

NTSTATUS WINAPI BCryptExportKey	(	BCRYPT_KEY_HANDLE	export_key_handle,
		BCRYPT_KEY_HANDLE	encrypt_key_handle,
		const WCHAR *	type,
		UCHAR *	output,
		ULONG	output_len,
		ULONG *	size,
		ULONG	flags
	)

Definition at line 2089 of file bcrypt_main.c.

{
    struct key *key = get_key_object( export_key_handle );
    struct key *encrypt_key = NULL;
 
    TRACE( "%p, %p, %s, %p, %lu, %p, %#lx\n", export_key_handle, encrypt_key_handle, debugstr_w(type), output,
           output_len, size, flags );
 
    if (!key) return STATUS_INVALID_HANDLE;
    if (!type || !size) return STATUS_INVALID_PARAMETER;
    if (encrypt_key_handle && !(encrypt_key = get_key_object( encrypt_key_handle ))) return STATUS_INVALID_HANDLE;
 
    return key_export( key, encrypt_key, type, output, output_len, size );
}

BCryptFinalizeKeyPair()

NTSTATUS WINAPI BCryptFinalizeKeyPair	(	BCRYPT_KEY_HANDLE	handle,
		ULONG	flags
	)

Definition at line 2056 of file bcrypt_main.c.

{
    struct key *key = get_key_object( handle );
    NTSTATUS ret;
 
    TRACE( "%p, %#lx\n", key, flags );
 
    if (!key || key->u.a.flags & KEY_FLAG_FINALIZED) return STATUS_INVALID_HANDLE;
 
    if (!(ret = key_asymmetric_generate( key ))) key->u.a.flags |= KEY_FLAG_FINALIZED;
    return ret;
}

BCryptFinishHash()

NTSTATUS WINAPI BCryptFinishHash	(	BCRYPT_HASH_HANDLE	handle,
		UCHAR *	output,
		ULONG	size,
		ULONG	flags
	)

Definition at line 1058 of file bcrypt_main.c.

{
    struct hash *hash = get_hash_object( handle );
    ULONG hash_size;
 
    TRACE( "%p, %p, %lu, %#lx\n", handle, output, size, flags );
 
    if (!hash) return STATUS_INVALID_HANDLE;
    if (!output) return STATUS_INVALID_PARAMETER;
    hash_get_size( hash, &hash_size );
    if (size != hash_size) return STATUS_INVALID_PARAMETER;
 
    hash_finalize( hash, output, size );
    return STATUS_SUCCESS;
}

Referenced by CNG_CalcHash(), CryptHashCertificate2(), and test_VerifySignature().

BCryptFreeBuffer()

void WINAPI BCryptFreeBuffer

(

void *

buffer

)

Definition at line 84 of file bcrypt_main.c.

{
    free( buffer );
}

BCryptGenerateKeyPair()

NTSTATUS WINAPI BCryptGenerateKeyPair	(	BCRYPT_ALG_HANDLE	handle,
		BCRYPT_KEY_HANDLE *	ret_handle,
		ULONG	key_len,
		ULONG	flags
	)

Definition at line 2038 of file bcrypt_main.c.

{
    struct algorithm *alg = get_alg_object( handle );
    struct key *key;
    NTSTATUS status;
 
    TRACE( "%p, %p, %lu, %#lx\n", handle, ret_handle, key_len, flags );
 
    if (!alg) return STATUS_INVALID_HANDLE;
    if (!ret_handle) return STATUS_INVALID_PARAMETER;
 
    if ((status = key_asymmetric_create( alg->id, key_len, &key ))) return status;
    *ret_handle = key;
    TRACE( "returning handle %p\n", *ret_handle );
    return STATUS_SUCCESS;
}

BCryptGenerateSymmetricKey()

NTSTATUS WINAPI BCryptGenerateSymmetricKey	(	BCRYPT_ALG_HANDLE	handle,
		BCRYPT_KEY_HANDLE *	ret_handle,
		UCHAR *	object,
		ULONG	object_len,
		UCHAR *	secret,
		ULONG	secret_len,
		ULONG	flags
	)

Definition at line 2023 of file bcrypt_main.c.

{
    struct algorithm *alg = get_alg_object( handle );
    NTSTATUS status;
 
    TRACE( "%p, %p, %p, %lu, %p, %lu, %#lx\n", handle, ret_handle, object, object_len, secret, secret_len, flags );
    if (object) FIXME( "ignoring object buffer\n" );
    if (!alg) return STATUS_INVALID_HANDLE;
    if ((status = key_symmetric_generate( alg, ret_handle, secret, secret_len ))) return status;
    TRACE( "returning handle %p\n", *ret_handle );
    return STATUS_SUCCESS;
}

BCryptGenRandom()

NTSTATUS WINAPI BCryptGenRandom	(	BCRYPT_ALG_HANDLE	handle,
		UCHAR *	buffer,
		ULONG	count,
		ULONG	flags
	)

Definition at line 316 of file bcrypt_main.c.

{
    const DWORD supported_flags = BCRYPT_USE_SYSTEM_PREFERRED_RNG;
    struct algorithm *alg = get_alg_object( handle );
 
    TRACE("%p, %p, %lu, %#lx - semi-stub\n", handle, buffer, count, flags);
 
    if (!handle)
    {
        /* It's valid to call without an algorithm if BCRYPT_USE_SYSTEM_PREFERRED_RNG
         * is set. In this case the preferred system RNG is used.
         */
        if (!(flags & BCRYPT_USE_SYSTEM_PREFERRED_RNG))
            return STATUS_INVALID_HANDLE;
    }
    else if (is_alg_pseudo_handle( handle ) && handle != BCRYPT_RNG_ALG_HANDLE)
    {
        FIXME( "pseudo-handle %p not supported\n", handle );
        return STATUS_NOT_IMPLEMENTED;
    }
    else if (!alg || alg->id != ALG_ID_RNG)
        return STATUS_INVALID_HANDLE;
 
    if (!buffer)
        return STATUS_INVALID_PARAMETER;
 
    if (flags & ~supported_flags)
        FIXME("unsupported flags %#lx\n", flags & ~supported_flags);
 
    if (alg)
        FIXME("ignoring selected algorithm\n");
 
    /* When zero bytes are requested the function returns success too. */
    if (!count)
        return STATUS_SUCCESS;
 
    if (alg || (flags & BCRYPT_USE_SYSTEM_PREFERRED_RNG))
    {
        if (RtlGenRandom(buffer, count)) return STATUS_SUCCESS;
    }
 
    FIXME("called with unsupported parameters, returning error\n");
    return STATUS_NOT_IMPLEMENTED;
}

BCryptGetFipsAlgorithmMode()

NTSTATUS WINAPI BCryptGetFipsAlgorithmMode

(

BOOLEAN *

enabled

)

Definition at line 432 of file bcrypt_main.c.

{
    FIXME("%p - semi-stub\n", enabled);
 
    if (!enabled)
        return STATUS_INVALID_PARAMETER;
 
    *enabled = FALSE;
    return STATUS_SUCCESS;
}

BCryptGetProperty()

NTSTATUS WINAPI BCryptGetProperty	(	BCRYPT_HANDLE	handle,
		const WCHAR *	prop,
		UCHAR *	buffer,
		ULONG	count,
		ULONG *	res,
		ULONG	flags
	)

Definition at line 856 of file bcrypt_main.c.

{
    struct object *object = get_object( handle, 0 );
 
    TRACE( "%p, %s, %p, %lu, %p, %#lx\n", handle, wine_dbgstr_w(prop), buffer, count, res, flags );
 
    if (!object) return STATUS_INVALID_HANDLE;
    if (!prop || !res) return STATUS_INVALID_PARAMETER;
 
    switch (object->magic)
    {
    case MAGIC_ALG:
    {
        const struct algorithm *alg = (const struct algorithm *)object;
        return get_alg_property( alg, prop, buffer, count, res );
    }
    case MAGIC_KEY:
    {
        const struct key *key = (const struct key *)object;
        return get_key_property( key, prop, buffer, count, res );
    }
    case MAGIC_HASH:
    {
        const struct hash *hash = (const struct hash *)object;
        return get_hash_property( hash, prop, buffer, count, res );
    }
    default:
        WARN( "unknown magic %#lx\n", object->magic );
        return STATUS_INVALID_HANDLE;
    }
}

Referenced by CNG_CalcHash(), CryptHashCertificate2(), and test_VerifySignature().

BCryptHash()

NTSTATUS WINAPI BCryptHash	(	BCRYPT_ALG_HANDLE	handle,
		UCHAR *	secret,
		ULONG	secret_len,
		UCHAR *	input,
		ULONG	input_len,
		UCHAR *	output,
		ULONG	output_len
	)

Definition at line 1091 of file bcrypt_main.c.

{
    struct algorithm *alg = get_alg_object( handle );
 
    TRACE( "%p, %p, %lu, %p, %lu, %p, %lu\n", handle, secret, secret_len, input, input_len, output, output_len );
 
    if (!alg) return STATUS_INVALID_HANDLE;
    if (!output || output_len != builtin_algorithms[alg->id].hash_length) return STATUS_INVALID_PARAMETER;
 
    return hash_single(alg, secret, secret_len, input, input_len, output, output_len );
}

Referenced by assembly_get_pubkey_token().

BCryptHashData()

NTSTATUS WINAPI BCryptHashData	(	BCRYPT_HASH_HANDLE	handle,
		UCHAR *	input,
		ULONG	size,
		ULONG	flags
	)

Definition at line 1020 of file bcrypt_main.c.

{
    struct hash *hash = get_hash_object( handle );
 
    TRACE( "%p, %p, %lu, %#lx\n", handle, input, size, flags );
 
    if (!hash) return STATUS_INVALID_HANDLE;
    if (!input) return STATUS_SUCCESS;
 
    if (hash_update( hash, input, size )) return STATUS_INVALID_PARAMETER;
 
    return STATUS_SUCCESS;
}

Referenced by CNG_CalcHash(), CryptHashCertificate2(), and test_VerifySignature().

BCryptImportKey()

NTSTATUS WINAPI BCryptImportKey	(	BCRYPT_ALG_HANDLE	handle,
		BCRYPT_KEY_HANDLE	decrypt_key_handle,
		const WCHAR *	type,
		BCRYPT_KEY_HANDLE *	ret_handle,
		UCHAR *	object,
		ULONG	object_len,
		UCHAR *	input,
		ULONG	input_len,
		ULONG	flags
	)

Definition at line 2069 of file bcrypt_main.c.

{
    struct algorithm *alg = get_alg_object( handle );
    struct key *decrypt_key = NULL;
    NTSTATUS status;
 
    TRACE( "%p, %p, %s, %p, %p, %lu, %p, %lu, %#lx\n", handle, decrypt_key_handle, debugstr_w(type), ret_handle,
           object, object_len, input, input_len, flags );
 
    if (!alg) return STATUS_INVALID_HANDLE;
    if (!ret_handle || !type || !input) return STATUS_INVALID_PARAMETER;
    if (decrypt_key_handle && !(decrypt_key = get_key_object( decrypt_key_handle ))) return STATUS_INVALID_HANDLE;
 
    if ((status = key_import( alg, decrypt_key, type, ret_handle, object, object_len, input, input_len ))) return status;
    TRACE( "returning handle %p\n", *ret_handle );
    return STATUS_SUCCESS;
}

BCryptImportKeyPair()

NTSTATUS WINAPI BCryptImportKeyPair	(	BCRYPT_ALG_HANDLE	handle,
		BCRYPT_KEY_HANDLE	decrypt_key_handle,
		const WCHAR *	type,
		BCRYPT_KEY_HANDLE *	ret_handle,
		UCHAR *	input,
		ULONG	input_len,
		ULONG	flags
	)

Definition at line 2193 of file bcrypt_main.c.

{
    struct algorithm *alg = get_alg_object( handle );
    NTSTATUS status;
 
    TRACE( "%p, %p, %s, %p, %p, %lu, %#lx\n", handle, decrypt_key_handle, debugstr_w(type), ret_handle, input,
           input_len, flags );
 
    if (!alg) return STATUS_INVALID_HANDLE;
    if (!ret_handle || !input || !(type = resolve_blob_type( type, input, input_len )))
        return STATUS_INVALID_PARAMETER;
    if (decrypt_key_handle)
    {
        FIXME( "decryption of key not yet supported\n" );
        return STATUS_NOT_IMPLEMENTED;
    }
 
    if ((status = key_import_pair( alg, type, ret_handle, input, input_len ))) return status;
    TRACE( "returning handle %p\n", *ret_handle );
    return STATUS_SUCCESS;
}

Referenced by CNG_ImportECCPubKey(), and CNG_ImportRSAPubKey().

BCryptKeyDerivation()

NTSTATUS WINAPI BCryptKeyDerivation	(	BCRYPT_KEY_HANDLE	handle,
		BCryptBufferDesc *	desc,
		UCHAR *	output,
		ULONG	output_size,
		ULONG *	ret_len,
		ULONG	flags
	)

Definition at line 2697 of file bcrypt_main.c.

{
    struct key *key = get_key_object( handle );
    struct algorithm *alg = NULL;
    ULONGLONG iter_count = 10000;
    ULONG salt_size = 0;
    UCHAR *salt = NULL;
    NTSTATUS status;
    ULONG i;
 
    TRACE( "%p, %p, %p, %lu, %p, %#lx\n", key, desc, output, output_size, ret_len, flags );
 
    if (!key || !desc || !ret_len) return STATUS_INVALID_PARAMETER;
    if (key->alg_id != ALG_ID_PBKDF2)
    {
        FIXME( "unsupported key %d\n", key->alg_id );
        return STATUS_NOT_IMPLEMENTED;
    }
 
    for (i = 0; i < desc->cBuffers; i++)
    {
        switch (desc->pBuffers[i].BufferType)
        {
        case KDF_HASH_ALGORITHM:
            alg = get_hash_alg( desc->pBuffers + i, TRUE );
            break;
        case KDF_SALT:
            salt = desc->pBuffers[i].pvBuffer;
            salt_size = desc->pBuffers[i].cbBuffer;
            break;
        case KDF_ITERATION_COUNT:
            if (desc->pBuffers[i].cbBuffer != sizeof(ULONGLONG)) return STATUS_INVALID_PARAMETER;
            iter_count = *(ULONGLONG *)desc->pBuffers[i].pvBuffer;
            break;
        default:
            FIXME( "buffer type %lu not supported\n", desc->pBuffers[i].BufferType );
            break;
        }
    }
 
    status = derive_key_pbkdf2( alg, key->u.s.secret, key->u.s.secret_len,
            salt, salt_size, iter_count, output, output_size );
    if (!status) *ret_len = output_size;
    return status;
}

BCryptOpenAlgorithmProvider()

NTSTATUS WINAPI BCryptOpenAlgorithmProvider	(	BCRYPT_ALG_HANDLE *	handle,
		const WCHAR *	id,
		const WCHAR *	implementation,
		DWORD	flags
	)

Definition at line 372 of file bcrypt_main.c.

{
    const DWORD supported_flags = BCRYPT_ALG_HANDLE_HMAC_FLAG | BCRYPT_HASH_REUSABLE_FLAG;
    struct algorithm *alg;
    enum alg_id alg_id;
    ULONG i;
 
    TRACE( "%p, %s, %s, %#lx\n", handle, wine_dbgstr_w(id), wine_dbgstr_w(implementation), flags );
 
    if (!handle || !id) return STATUS_INVALID_PARAMETER;
    if (flags & ~supported_flags)
    {
        FIXME( "unsupported flags %#lx\n", flags & ~supported_flags );
        return STATUS_NOT_IMPLEMENTED;
    }
 
    for (i = 0; i < ARRAY_SIZE( builtin_algorithms ); i++)
    {
        if (!wcscmp( id, builtin_algorithms[i].name))
        {
            alg_id = i;
            break;
        }
    }
    if (i == ARRAY_SIZE( builtin_algorithms ))
    {
        FIXME( "algorithm %s not supported\n", debugstr_w(id) );
        return STATUS_NOT_IMPLEMENTED;
    }
 
    if (implementation && wcscmp( implementation, MS_PRIMITIVE_PROVIDER ))
    {
        FIXME( "implementation %s not supported\n", debugstr_w(implementation) );
        return STATUS_NOT_IMPLEMENTED;
    }
 
    if (!(alg = create_algorithm( alg_id, 0, flags ))) return STATUS_NO_MEMORY;
    *handle = alg;
    TRACE( "returning handle %p\n", *handle );
    return STATUS_SUCCESS;
}

Referenced by assembly_get_pubkey_token(), CNG_CalcHash(), CryptHashCertificate2(), and test_VerifySignature().

BCryptRegisterProvider()

NTSTATUS WINAPI BCryptRegisterProvider	(	const WCHAR *	provider,
		ULONG	flags,
		CRYPT_PROVIDER_REG *	reg
	)

Definition at line 89 of file bcrypt_main.c.

{
    FIXME( "%s, %#lx, %p: stub\n", debugstr_w(provider), flags, reg );
    return STATUS_SUCCESS;
}

BCryptRemoveContextFunction()

NTSTATUS WINAPI BCryptRemoveContextFunction	(	ULONG	table,
		const WCHAR *	ctx,
		ULONG	iface,
		const WCHAR *	func
	)

Definition at line 64 of file bcrypt_main.c.

{
    FIXME( "%#lx, %s, %#lx, %s: stub\n", table, debugstr_w(ctx), iface, debugstr_w(func) );
    return STATUS_NOT_IMPLEMENTED;
}

BCryptRemoveContextFunctionProvider()

NTSTATUS WINAPI BCryptRemoveContextFunctionProvider	(	ULONG	table,
		const WCHAR *	ctx,
		ULONG	iface,
		const WCHAR *	func,
		const WCHAR *	provider
	)

Definition at line 70 of file bcrypt_main.c.

{
    FIXME( "%#lx, %s, %#lx, %s, %s: stub\n", table, debugstr_w(ctx), iface, debugstr_w(func), debugstr_w(provider) );
    return STATUS_NOT_IMPLEMENTED;
}

BCryptSecretAgreement()

NTSTATUS WINAPI BCryptSecretAgreement	(	BCRYPT_KEY_HANDLE	privkey_handle,
		BCRYPT_KEY_HANDLE	pubkey_handle,
		BCRYPT_SECRET_HANDLE *	ret_handle,
		ULONG	flags
	)

Definition at line 2530 of file bcrypt_main.c.

{
    struct key *privkey = get_key_object( privkey_handle );
    struct key *pubkey = get_key_object( pubkey_handle );
    struct secret *secret;
    NTSTATUS status;
 
    TRACE( "%p, %p, %p, %#lx\n", privkey_handle, pubkey_handle, ret_handle, flags );
 
    if (!privkey || !pubkey) return STATUS_INVALID_HANDLE;
    if (!is_agreement_key( privkey ) || !is_agreement_key( pubkey )) return STATUS_NOT_SUPPORTED;
    if (!ret_handle) return STATUS_INVALID_PARAMETER;
 
    if (!(secret = calloc( 1, sizeof(*secret) ))) return STATUS_NO_MEMORY;
    secret->hdr.magic = MAGIC_SECRET;
    if ((status = key_duplicate( privkey, &secret->privkey )))
    {
        free( secret );
        return status;
    }
    if ((status = key_duplicate( pubkey, &secret->pubkey )))
    {
        key_destroy( secret->privkey );
        free( secret );
        return status;
    }
 
    *ret_handle = secret;
    TRACE( "returning handle %p\n", *ret_handle );
    return STATUS_SUCCESS;
}

BCryptSetProperty()

NTSTATUS WINAPI BCryptSetProperty	(	BCRYPT_HANDLE	handle,
		const WCHAR *	prop,
		UCHAR *	value,
		ULONG	size,
		ULONG	flags
	)

Definition at line 2365 of file bcrypt_main.c.

{
    struct object *object = get_object( handle, 0 );
 
    TRACE( "%p, %s, %p, %lu, %#lx\n", handle, debugstr_w(prop), value, size, flags );
 
    if (!handle) return STATUS_INVALID_HANDLE;
    if (is_alg_pseudo_handle( handle )) return STATUS_ACCESS_DENIED;
 
    switch (object->magic)
    {
    case MAGIC_ALG:
    {
        struct algorithm *alg = (struct algorithm *)object;
        return set_alg_property( alg, prop, value, size, flags );
    }
    case MAGIC_KEY:
    {
        struct key *key = (struct key *)object;
        return set_key_property( key, prop, value, size, flags );
    }
    default:
        WARN( "unknown magic %#lx\n", object->magic );
        return STATUS_INVALID_HANDLE;
    }
}

BCryptSignHash()

NTSTATUS WINAPI BCryptSignHash	(	BCRYPT_KEY_HANDLE	handle,
		void *	padding,
		UCHAR *	input,
		ULONG	input_len,
		UCHAR *	output,
		ULONG	output_len,
		ULONG *	ret_len,
		ULONG	flags
	)

Definition at line 2216 of file bcrypt_main.c.

{
    struct key_asymmetric_sign_params params;
    struct key *key = get_key_object( handle );
 
    TRACE( "%p, %p, %p, %lu, %p, %lu, %p, %#lx\n", handle, padding, input, input_len, output, output_len,
           ret_len, flags );
 
    if (!key) return STATUS_INVALID_HANDLE;
    if (!is_signature_key( key )) return STATUS_NOT_SUPPORTED;
 
    params.key        = key;
    params.padding    = padding;
    params.input      = input;
    params.input_len  = input_len;
    params.output     = output;
    params.output_len = output_len;
    params.ret_len    = ret_len;
    params.flags      = flags;
    return key_asymmetric_sign( &params );
}

BCryptUnregisterProvider()

NTSTATUS WINAPI BCryptUnregisterProvider

(

const WCHAR *

provider

)

Definition at line 95 of file bcrypt_main.c.

{
    FIXME( "%s: stub\n", debugstr_w(provider) );
    return STATUS_NOT_IMPLEMENTED;
}

BCryptVerifySignature()

NTSTATUS WINAPI BCryptVerifySignature	(	BCRYPT_KEY_HANDLE	handle,
		void *	padding,
		UCHAR *	hash,
		ULONG	hash_len,
		UCHAR *	signature,
		ULONG	signature_len,
		ULONG	flags
	)

Definition at line 2239 of file bcrypt_main.c.

{
    struct key_asymmetric_verify_params params;
    struct key *key = get_key_object( handle );
 
    TRACE( "%p, %p, %p, %lu, %p, %lu, %#lx\n", handle, padding, hash, hash_len, signature, signature_len, flags );
 
    if (!key) return STATUS_INVALID_HANDLE;
    if (!is_signature_key( key )) return STATUS_NOT_SUPPORTED;
    if (!hash || !hash_len || !signature || !signature_len) return STATUS_INVALID_PARAMETER;
 
    params.key = key;
    params.padding = padding;
    params.hash = hash;
    params.hash_len = hash_len;
    params.signature = signature;
    params.signature_len = signature_len;
    params.flags = flags;
    return key_asymmetric_verify( &params );
}

Referenced by cng_verify_msg_signature(), CNG_VerifySignature(), and test_VerifySignature().

convert_legacy_rsaprivate_blob()

static NTSTATUS convert_legacy_rsaprivate_blob ( struct algorithm *  alg, BCRYPT_RSAKEY_BLOB **  rsa_data, ULONG *  rsa_len, UCHAR *  input, ULONG  input_len  )

static

Definition at line 1680 of file bcrypt_main.c.

{
    struct {
        PUBLICKEYSTRUC header;
        RSAPUBKEY rsapubkey;
    } *blob = (void *)input;
    ULONG len, pos;
    UCHAR *conv;
    int i;
 
    if (alg->id != ALG_ID_RSA) return STATUS_NOT_SUPPORTED;
    if (input_len < sizeof(*blob)) return NTE_BAD_DATA;
    if (blob->header.bType != PRIVATEKEYBLOB || blob->header.bVersion != CUR_BLOB_VERSION ||
            blob->header.aiKeyAlg != CALG_RSA_KEYX ||
            blob->rsapubkey.magic != BCRYPT_RSAPRIVATE_MAGIC ||
            input_len != sizeof(*blob) + blob->rsapubkey.bitlen / 16 * 9) return NTE_BAD_DATA;
    if (blob->rsapubkey.bitlen & 0xf) return STATUS_INVALID_PARAMETER;
 
    len = sizeof(**rsa_data) + sizeof(blob->rsapubkey.pubexp) + blob->rsapubkey.bitlen / 4;
    if (!(conv = malloc( len ))) return STATUS_NO_MEMORY;
 
    *rsa_data = (BCRYPT_RSAKEY_BLOB *)conv;
    (*rsa_data)->Magic = blob->rsapubkey.magic;
    (*rsa_data)->BitLength = blob->rsapubkey.bitlen;
    (*rsa_data)->cbPublicExp = sizeof(blob->rsapubkey.pubexp);
    (*rsa_data)->cbModulus = blob->rsapubkey.bitlen / 8;
    (*rsa_data)->cbPrime1 = blob->rsapubkey.bitlen / 16;
    (*rsa_data)->cbPrime2 = blob->rsapubkey.bitlen / 16;
    len = sizeof(**rsa_data);
 
    for(i = 0; i < (*rsa_data)->cbPublicExp; i++)
        conv[len++] = ((UCHAR *)&blob->rsapubkey.pubexp)[(*rsa_data)->cbPublicExp - i - 1];
    pos = sizeof(*blob);
    for(i = 0; i < (*rsa_data)->cbModulus; i++)
        conv[len++] = input[pos + (*rsa_data)->cbModulus - i - 1];
    pos += (*rsa_data)->cbModulus;
    for(i = 0; i < (*rsa_data)->cbPrime1; i++)
        conv[len++] = input[pos + (*rsa_data)->cbPrime1 - i - 1];
    pos += (*rsa_data)->cbPrime1;
    for(i = 0; i < (*rsa_data)->cbPrime2; i++)
        conv[len++] = input[pos + (*rsa_data)->cbPrime2 - i - 1];
 
    *rsa_len = len;
    return STATUS_SUCCESS;
}

Referenced by key_import_pair().

create_algorithm()

static struct algorithm * create_algorithm ( enum alg_id  id, enum chain_mode  mode, DWORD  flags  )

static

Definition at line 361 of file bcrypt_main.c.

{
    struct algorithm *ret;
    if (!(ret = calloc( 1, sizeof(*ret) ))) return NULL;
    ret->hdr.magic = MAGIC_ALG;
    ret->id        = id;
    ret->mode      = mode;
    ret->flags     = flags;
    return ret;
}

Referenced by BCryptOpenAlgorithmProvider().

derive_key_hash()

static NTSTATUS derive_key_hash ( struct secret *  secret, BCryptBufferDesc *  desc, UCHAR *  output, ULONG  output_len, ULONG *  ret_len  )

static

Definition at line 2620 of file bcrypt_main.c.

{
    struct key_asymmetric_derive_key_params params;
    ULONG hash_len, derived_key_len = secret->privkey->u.a.bitlen / 8;
    UCHAR hash_buf[MAX_HASH_OUTPUT_BYTES];
    struct algorithm *alg = NULL;
    UCHAR *derived_key;
    NTSTATUS status;
    ULONG i;
 
    for (i = 0; i < (desc ? desc->cBuffers : 0); i++)
    {
        if (desc->pBuffers[i].BufferType == KDF_HASH_ALGORITHM)
        {
            alg = get_hash_alg( desc->pBuffers + i, FALSE );
            if (!alg) return STATUS_NOT_SUPPORTED;
        }
        else FIXME( "buffer type %lu not supported\n", desc->pBuffers[i].BufferType );
    }
    if (!alg) alg = get_alg_object( BCRYPT_SHA1_ALG_HANDLE );
 
    if (!(derived_key = malloc( derived_key_len ))) return STATUS_NO_MEMORY;
 
    params.privkey    = secret->privkey;
    params.pubkey     = secret->pubkey;
    params.output     = derived_key;
    params.output_len = derived_key_len;
    params.ret_len    = ret_len;
    if ((status = key_asymmetric_derive_key( &params )))
    {
        free( derived_key );
        return status;
    }
 
    hash_len = builtin_algorithms[alg->id].hash_length;
#if !defined(__REACTOS__)
    assert( hash_len <= sizeof(hash_buf) );
#endif
    if (!(status = hash_single( alg, NULL, 0, derived_key, *params.ret_len, hash_buf, hash_len )))
    {
        if (!output) *ret_len = hash_len;
        else
        {
            *ret_len = min( hash_len, output_len );
            memcpy( output, hash_buf, *ret_len );
        }
    }
 
    free( derived_key );
    return status;
}

Referenced by BCryptDeriveKey().

derive_key_pbkdf2()

static NTSTATUS derive_key_pbkdf2 ( struct algorithm *  alg, UCHAR *  pwd, ULONG  pwd_len, UCHAR *  salt, ULONG  salt_len, ULONGLONG  iterations, UCHAR *  dk, ULONG  dk_len  )

static

Definition at line 2472 of file bcrypt_main.c.

{
    ULONG hash_len, block_count, bytes_left, i;
    struct hash *hash;
    UCHAR *partial;
    NTSTATUS status;
 
    hash_len = builtin_algorithms[alg->id].hash_length;
    if (dk_len <= 0 || dk_len > ((((ULONGLONG)1) << 32) - 1) * hash_len) return STATUS_INVALID_PARAMETER;
 
    block_count = 1 + ((dk_len - 1) / hash_len); /* ceil(dk_len / hash_len) */
    bytes_left = dk_len - (block_count - 1) * hash_len;
 
    if ((status = hash_create( alg, pwd, pwd_len, BCRYPT_HASH_REUSABLE_FLAG, &hash ))) return status;
 
    /* full blocks */
    for (i = 1; i < block_count; i++)
    {
        if ((status = pbkdf2( hash, pwd, pwd_len, salt, salt_len, iterations, i, dk + ((i - 1) * hash_len), hash_len )))
        {
            hash_destroy( hash );
            return status;
        }
    }
 
    /* final partial block */
    if (!(partial = malloc( hash_len )))
    {
        hash_destroy( hash );
        return STATUS_NO_MEMORY;
    }
 
    if ((status = pbkdf2( hash, pwd, pwd_len, salt, salt_len, iterations, block_count, partial, hash_len )))
    {
        hash_destroy( hash );
        free( partial );
        return status;
    }
    memcpy( dk + ((block_count - 1) * hash_len), partial, bytes_left );
 
    hash_destroy( hash );
    free( partial );
    return STATUS_SUCCESS;
}

Referenced by BCryptDeriveKeyPBKDF2(), and BCryptKeyDerivation().

derive_key_raw()

static NTSTATUS derive_key_raw ( struct secret *  secret, UCHAR *  output, ULONG  output_len, ULONG *  ret_len  )

static

Definition at line 2587 of file bcrypt_main.c.

{
    struct key_asymmetric_derive_key_params params;
    NTSTATUS status;
 
    params.privkey    = secret->privkey;
    params.pubkey     = secret->pubkey;
    params.output     = output;
    params.output_len = output_len;
    params.ret_len    = ret_len;
    if (!(status = key_asymmetric_derive_key( &params )) && output) reverse_bytes( output, *ret_len );
    return status;
}

Referenced by BCryptDeriveKey().

destroy_object()

static void destroy_object ( struct object *  obj )

static

Definition at line 415 of file bcrypt_main.c.

{
    SecureZeroMemory( &obj->magic, sizeof(obj->magic) );
    free( obj );
}

Referenced by BCryptCloseAlgorithmProvider(), BCryptDestroySecret(), hash_destroy(), and key_destroy().

DllMain()

BOOL WINAPI DllMain	(	HINSTANCE	hinst,
		DWORD	reason,
		LPVOID	reserved
	)

Definition at line 2744 of file bcrypt_main.c.

{
    switch (reason)
    {
    case DLL_PROCESS_ATTACH:
        instance = hinst;
        DisableThreadLibraryCalls( hinst );
        process_attach( NULL );
        break;
    case DLL_PROCESS_DETACH:
        if (reserved) break;
        process_detach( NULL );
        break;
    }
    return TRUE;
}

generic_alg_property()

static NTSTATUS generic_alg_property ( enum alg_id  id, const WCHAR *  prop, UCHAR *  buf, ULONG  size, ULONG *  ret_size  )

static

Definition at line 443 of file bcrypt_main.c.

{
    if (!wcscmp( prop, BCRYPT_OBJECT_LENGTH ))
    {
        if (!builtin_algorithms[id].object_length)
            return STATUS_NOT_SUPPORTED;
        *ret_size = sizeof(ULONG);
        if (size < sizeof(ULONG))
            return STATUS_BUFFER_TOO_SMALL;
        if (buf)
            *(ULONG *)buf = builtin_algorithms[id].object_length;
        return STATUS_SUCCESS;
    }
 
    if (!wcscmp( prop, BCRYPT_HASH_LENGTH ))
    {
        if (!builtin_algorithms[id].hash_length)
            return STATUS_NOT_SUPPORTED;
        *ret_size = sizeof(ULONG);
        if (size < sizeof(ULONG))
            return STATUS_BUFFER_TOO_SMALL;
        if(buf)
            *(ULONG*)buf = builtin_algorithms[id].hash_length;
        return STATUS_SUCCESS;
    }
 
    if (!wcscmp( prop, BCRYPT_ALGORITHM_NAME ))
    {
        *ret_size = (lstrlenW(builtin_algorithms[id].name) + 1) * sizeof(WCHAR);
        if (size < *ret_size)
            return STATUS_BUFFER_TOO_SMALL;
        if(buf)
            memcpy(buf, builtin_algorithms[id].name, *ret_size);
        return STATUS_SUCCESS;
    }
 
    return STATUS_NOT_IMPLEMENTED;
}

Referenced by get_alg_property(), and get_hash_property().

get_3des_property()

static NTSTATUS get_3des_property ( enum chain_mode  mode, const WCHAR *  prop, UCHAR *  buf, ULONG  size, ULONG *  ret_size  )

static

Definition at line 482 of file bcrypt_main.c.

{
    if (!wcscmp( prop, BCRYPT_BLOCK_LENGTH ))
    {
        *ret_size = sizeof(ULONG);
        if (size < sizeof(ULONG)) return STATUS_BUFFER_TOO_SMALL;
        if (buf) *(ULONG *)buf = BLOCK_LENGTH_3DES;
        return STATUS_SUCCESS;
    }
    if (!wcscmp( prop, BCRYPT_CHAINING_MODE ))
    {
        const WCHAR *str;
        switch (mode)
        {
        case CHAIN_MODE_CBC: str = BCRYPT_CHAIN_MODE_CBC; break;
        default: return STATUS_NOT_IMPLEMENTED;
        }
 
        *ret_size = 64;
        if (size < *ret_size) return STATUS_BUFFER_TOO_SMALL;
        memcpy( buf, str, (lstrlenW(str) + 1) * sizeof(WCHAR) );
        return STATUS_SUCCESS;
    }
    if (!wcscmp( prop, BCRYPT_KEY_LENGTHS ))
    {
        BCRYPT_KEY_LENGTHS_STRUCT *key_lengths = (void *)buf;
        *ret_size = sizeof(*key_lengths);
        if (key_lengths && size < *ret_size) return STATUS_BUFFER_TOO_SMALL;
        if (key_lengths)
        {
            key_lengths->dwMinLength = 192;
            key_lengths->dwMaxLength = 192;
            key_lengths->dwIncrement = 0;
        }
        return STATUS_SUCCESS;
    }
    FIXME( "unsupported property %s\n", debugstr_w(prop) );
    return STATUS_NOT_IMPLEMENTED;
}

Referenced by get_alg_property(), and get_key_property().

get_aes_property()

static NTSTATUS get_aes_property ( enum chain_mode  mode, const WCHAR *  prop, UCHAR *  buf, ULONG  size, ULONG *  ret_size  )

static

Definition at line 522 of file bcrypt_main.c.

{
    if (!wcscmp( prop, BCRYPT_BLOCK_LENGTH ))
    {
        *ret_size = sizeof(ULONG);
        if (size < sizeof(ULONG)) return STATUS_BUFFER_TOO_SMALL;
        if (buf) *(ULONG *)buf = BLOCK_LENGTH_AES;
        return STATUS_SUCCESS;
    }
    if (!wcscmp( prop, BCRYPT_CHAINING_MODE ))
    {
        const WCHAR *str;
        switch (mode)
        {
        case CHAIN_MODE_ECB: str = BCRYPT_CHAIN_MODE_ECB; break;
        case CHAIN_MODE_CBC: str = BCRYPT_CHAIN_MODE_CBC; break;
        case CHAIN_MODE_GCM: str = BCRYPT_CHAIN_MODE_GCM; break;
        case CHAIN_MODE_CFB: str = BCRYPT_CHAIN_MODE_CFB; break;
        default: return STATUS_NOT_IMPLEMENTED;
        }
 
        *ret_size = 64;
        if (size < *ret_size) return STATUS_BUFFER_TOO_SMALL;
        memcpy( buf, str, (lstrlenW(str) + 1) * sizeof(WCHAR) );
        return STATUS_SUCCESS;
    }
    if (!wcscmp( prop, BCRYPT_KEY_LENGTHS ))
    {
        BCRYPT_KEY_LENGTHS_STRUCT *key_lengths = (void *)buf;
        *ret_size = sizeof(*key_lengths);
        if (key_lengths && size < *ret_size) return STATUS_BUFFER_TOO_SMALL;
        if (key_lengths)
        {
            key_lengths->dwMinLength = 128;
            key_lengths->dwMaxLength = 256;
            key_lengths->dwIncrement = 64;
        }
        return STATUS_SUCCESS;
    }
    if (!wcscmp( prop, BCRYPT_AUTH_TAG_LENGTH ))
    {
        BCRYPT_AUTH_TAG_LENGTHS_STRUCT *tag_length = (void *)buf;
        if (mode != CHAIN_MODE_GCM) return STATUS_NOT_SUPPORTED;
        *ret_size = sizeof(*tag_length);
        if (tag_length && size < *ret_size) return STATUS_BUFFER_TOO_SMALL;
        if (tag_length)
        {
            tag_length->dwMinLength = 12;
            tag_length->dwMaxLength = 16;
            tag_length->dwIncrement =  1;
        }
        return STATUS_SUCCESS;
    }
 
    FIXME( "unsupported property %s\n", debugstr_w(prop) );
    return STATUS_NOT_IMPLEMENTED;
}

Referenced by get_alg_property(), and get_key_property().

get_alg_object()

static struct algorithm * get_alg_object ( BCRYPT_ALG_HANDLE  handle )

inlinestatic

Definition at line 296 of file bcrypt_main.c.

{
    return (struct algorithm *)get_object( handle, MAGIC_ALG );
}

Referenced by BCryptCreateHash(), BCryptDeriveKeyPBKDF2(), BCryptGenerateKeyPair(), BCryptGenerateSymmetricKey(), BCryptGenRandom(), BCryptHash(), BCryptImportKey(), BCryptImportKeyPair(), derive_key_hash(), and get_hash_alg().

get_alg_property()

static NTSTATUS get_alg_property ( const struct algorithm *  alg, const WCHAR *  prop, UCHAR *  buf, ULONG  size, ULONG *  ret_size  )

static

Definition at line 635 of file bcrypt_main.c.

{
    NTSTATUS status;
 
    status = generic_alg_property( alg->id, prop, buf, size, ret_size );
    if (status != STATUS_NOT_IMPLEMENTED)
        return status;
 
    switch (alg->id)
    {
    case ALG_ID_3DES:
        return get_3des_property( alg->mode, prop, buf, size, ret_size );
 
    case ALG_ID_AES:
        return get_aes_property( alg->mode, prop, buf, size, ret_size );
 
    case ALG_ID_RC4:
        return get_rc4_property( alg->mode, prop, buf, size, ret_size );
 
    case ALG_ID_RSA:
        return get_rsa_property( alg->mode, prop, buf, size, ret_size );
 
    case ALG_ID_DSA:
        return get_dsa_property( alg->mode, prop, buf, size, ret_size );
 
    case ALG_ID_PBKDF2:
    return get_pbkdf2_property( alg->mode, prop, buf, size, ret_size );
 
    default:
        break;
    }
 
    FIXME( "unsupported property %s algorithm %u\n", debugstr_w(prop), alg->id );
    return STATUS_NOT_IMPLEMENTED;
}

Referenced by BCryptGetProperty(), get_block_size(), and key_symmetric_generate().

get_block_size()

static ULONG get_block_size ( struct algorithm *  alg )

static

Definition at line 1182 of file bcrypt_main.c.

{
    ULONG ret = 0, size = sizeof(ret);
    get_alg_property( alg, BCRYPT_BLOCK_LENGTH, (UCHAR *)&ret, sizeof(ret), &size );
    return ret;
}

Referenced by key_symmetric_generate().

get_dh_property()

static NTSTATUS get_dh_property ( const struct key *  key, const WCHAR *  prop, UCHAR *  buf, ULONG  size, ULONG *  ret_size  )

static

Definition at line 809 of file bcrypt_main.c.

{
    struct key_asymmetric_export_params params;
 
    if (wcscmp( prop, BCRYPT_DH_PARAMETERS )) return STATUS_NOT_SUPPORTED;
    if (!(key->u.a.flags & KEY_FLAG_FINALIZED)) return STATUS_INVALID_HANDLE;
 
    params.key     = (struct key *)key;
    params.flags   = KEY_EXPORT_FLAG_DH_PARAMETERS;
    params.buf     = buf;
    params.len     = size;
    params.ret_len = ret_size;
    return key_asymmetric_export( &params );
}

Referenced by get_key_property().

get_dsa_property()

static NTSTATUS get_dsa_property ( enum chain_mode  mode, const WCHAR *  prop, UCHAR *  buf, ULONG  size, ULONG *  ret_size  )

static

Definition at line 608 of file bcrypt_main.c.

{
    if (!wcscmp( prop, BCRYPT_PADDING_SCHEMES )) return STATUS_NOT_SUPPORTED;
    FIXME( "unsupported property %s\n", debugstr_w(prop) );
    return STATUS_NOT_IMPLEMENTED;
}

Referenced by get_alg_property().

get_hash_alg()

static struct algorithm * get_hash_alg ( BCryptBuffer *  buf, BOOL  hmac  )

static

Definition at line 2601 of file bcrypt_main.c.

{
    const WCHAR *str = buf->pvBuffer;
    BCRYPT_ALG_HANDLE handle = NULL;
 
    if (!wcscmp( str, BCRYPT_SHA1_ALGORITHM ))
        handle = hmac ? BCRYPT_HMAC_SHA1_ALG_HANDLE : BCRYPT_SHA1_ALG_HANDLE;
    else if (!wcscmp( str, BCRYPT_SHA256_ALGORITHM ))
        handle = hmac ? BCRYPT_HMAC_SHA256_ALG_HANDLE : BCRYPT_SHA256_ALG_HANDLE;
    else if (!wcscmp( str, BCRYPT_SHA384_ALGORITHM ))
        handle = hmac ? BCRYPT_HMAC_SHA384_ALG_HANDLE : BCRYPT_SHA384_ALG_HANDLE;
    else if (!wcscmp( str, BCRYPT_SHA512_ALGORITHM ))
        handle = hmac ? BCRYPT_HMAC_SHA512_ALG_HANDLE : BCRYPT_SHA512_ALG_HANDLE;
 
    if (handle) return get_alg_object( handle );
    FIXME( "hash algorithm %s not supported\n", debugstr_w(str) );
    return NULL;
}

Referenced by BCryptKeyDerivation(), and derive_key_hash().

get_hash_object()

static struct hash * get_hash_object ( BCRYPT_HASH_HANDLE  handle )

inlinestatic

Definition at line 301 of file bcrypt_main.c.

{
    return (struct hash *)get_object( handle, MAGIC_HASH );
}

Referenced by BCryptDeriveKeyCapi(), BCryptDestroyHash(), BCryptDuplicateHash(), BCryptFinishHash(), and BCryptHashData().

get_hash_property()

static NTSTATUS get_hash_property ( const struct hash *  hash, const WCHAR *  prop, UCHAR *  buf, ULONG  size, ULONG *  ret_size  )

static

Definition at line 799 of file bcrypt_main.c.

{
    NTSTATUS status;
 
    status = generic_alg_property( hash->alg_id, prop, buf, size, ret_size );
    if (status == STATUS_NOT_IMPLEMENTED)
        FIXME( "unsupported property %s\n", debugstr_w(prop) );
    return status;
}

Referenced by BCryptGetProperty().

get_key_object()

static struct key * get_key_object ( BCRYPT_KEY_HANDLE  handle )

inlinestatic

Definition at line 306 of file bcrypt_main.c.

{
    return (struct key *)get_object( handle, MAGIC_KEY );
}

Referenced by BCryptDecrypt(), BCryptDestroyKey(), BCryptDuplicateKey(), BCryptEncrypt(), BCryptExportKey(), BCryptFinalizeKeyPair(), BCryptImportKey(), BCryptKeyDerivation(), BCryptSecretAgreement(), BCryptSignHash(), and BCryptVerifySignature().

get_key_property()

static NTSTATUS get_key_property ( const struct key *  key, const WCHAR *  prop, UCHAR *  buf, ULONG  size, ULONG *  ret_size  )

static

Definition at line 824 of file bcrypt_main.c.

{
    if (!wcscmp( prop, BCRYPT_KEY_STRENGTH ))
    {
        *ret_size = sizeof(DWORD);
        if (size < sizeof(DWORD)) return STATUS_BUFFER_TOO_SMALL;
        if (buf)
        {
            if (is_symmetric_key(key)) *(DWORD *)buf = key->u.s.block_size * 8;
            else *(DWORD *)buf = key->u.a.bitlen;
        }
        return STATUS_SUCCESS;
    }
 
    switch (key->alg_id)
    {
    case ALG_ID_3DES:
        return get_3des_property( key->u.s.mode, prop, buf, size, ret_size );
 
    case ALG_ID_AES:
        if (!wcscmp( prop, BCRYPT_AUTH_TAG_LENGTH )) return STATUS_NOT_SUPPORTED;
        return get_aes_property( key->u.s.mode, prop, buf, size, ret_size );
 
    case ALG_ID_DH:
        return get_dh_property( key, prop, buf, size, ret_size );
 
    default:
        FIXME( "unsupported algorithm %u\n", key->alg_id );
        return STATUS_NOT_IMPLEMENTED;
    }
}

Referenced by BCryptGetProperty().

get_object()

static struct object * get_object ( BCRYPT_HANDLE  handle, ULONG  magic  )

static

Definition at line 274 of file bcrypt_main.c.

{
    ULONG idx;
 
    if (!handle) return NULL;
 
    if (!is_alg_pseudo_handle( handle ))
    {
        struct object *obj = handle;
        if (magic && obj->magic != magic) return NULL;
        return obj;
    }
 
    idx = (ULONG_PTR)handle >> 4;
    if (idx >= ARRAY_SIZE(pseudo_algorithms) || !pseudo_algorithms[idx].hdr.magic)
    {
        FIXME( "pseudo-handle %p not supported\n", handle );
        return NULL;
    }
    return (struct object *)&pseudo_algorithms[idx];
}

Referenced by Array_concat(), Array_every(), Array_filter(), Array_forEach(), Array_map(), Array_reduce(), Array_some(), Array_sort(), array_this(), arraybuf_this(), ArrayConstr_isArray(), BCryptGetProperty(), BCryptSetProperty(), bind_event_target(), boolval_this(), create_enumerator(), create_regexp_var(), create_signature(), dataview_this(), date_this(), debugstr_jsval(), disp_call_value_with_caller(), DispatchEx_GetTypeInfo(), enumerator_this(), Error_toString(), exprval_call(), Function_apply(), function_this(), gc_process_linked_val(), gc_run(), get_alg_object(), get_hash_object(), get_key_object(), get_map_this(), get_secret_object(), get_set_this(), get_weakmap_this(), HostFunction_call(), init_dispex_from_constr(), interp_call(), interp_call_eval(), interp_carray_set(), interp_forin(), interp_in(), interp_instanceof(), interp_new(), interp_obj_prop(), InterpretedFunction_call(), invoke_prop_func(), is_function_prop(), iterate_map(), jsdisp_define_properties(), JSON_parse(), JSON_stringify(), jsval_copy(), jsval_map_compare(), jsval_release(), jsval_strict_equal(), jsval_to_variant(), maybe_to_primitive(), numberval_this(), Object_create(), Object_defineGetter(), Object_defineProperties(), Object_defineProperty(), Object_defineSetter(), Object_freeze(), Object_getOwnPropertyDescriptor(), Object_getPrototypeOf(), Object_isExtensible(), Object_isFrozen(), Object_isPrototypeOf(), Object_isSealed(), object_keys(), Object_preventExtensions(), Object_seal(), Object_set_proto_(), regexp_this(), RegExpConstr_value(), set_error_value(), stack_pop_object(), stack_topn_exprval(), String_match(), String_replace(), String_search(), String_split(), string_this(), stringify(), to_locale_string(), to_object(), to_primitive(), to_property_descriptor(), transform_json_object(), typeof_string(), unwind_exception(), vbarray_this(), WeakMap_delete(), WeakMap_get(), WeakMap_has(), and WeakMap_set().

get_pbkdf2_property()

static NTSTATUS get_pbkdf2_property ( enum chain_mode  mode, const WCHAR *  prop, UCHAR *  buf, ULONG  size, ULONG *  ret_size  )

static

Definition at line 615 of file bcrypt_main.c.

{
    if (!wcscmp( prop, BCRYPT_BLOCK_LENGTH )) return STATUS_NOT_SUPPORTED;
    if (!wcscmp( prop, BCRYPT_KEY_LENGTHS ))
    {
        BCRYPT_KEY_LENGTHS_STRUCT *key_lengths = (void *)buf;
        *ret_size = sizeof(*key_lengths);
        if (key_lengths && size < *ret_size) return STATUS_BUFFER_TOO_SMALL;
        if (key_lengths)
        {
            key_lengths->dwMinLength = 0;
            key_lengths->dwMaxLength = 16384;
            key_lengths->dwIncrement = 8;
        }
        return STATUS_SUCCESS;
    }
    FIXME( "unsupported property %s\n", debugstr_w(prop) );
    return STATUS_NOT_IMPLEMENTED;
}

Referenced by get_alg_property().

get_rc4_property()

static NTSTATUS get_rc4_property ( enum chain_mode  mode, const WCHAR *  prop, UCHAR *  buf, ULONG  size, ULONG *  ret_size  )

static

Definition at line 580 of file bcrypt_main.c.

{
    if (!wcscmp( prop, BCRYPT_BLOCK_LENGTH ))
    {
        *ret_size = sizeof(ULONG);
        if (size < sizeof(ULONG)) return STATUS_BUFFER_TOO_SMALL;
        if (buf) *(ULONG *)buf = BLOCK_LENGTH_RC4;
        return STATUS_SUCCESS;
    }
 
    FIXME( "unsupported property %s\n", debugstr_w(prop) );
    return STATUS_NOT_IMPLEMENTED;
}

Referenced by get_alg_property().

get_rsa_property()

static NTSTATUS get_rsa_property ( enum chain_mode  mode, const WCHAR *  prop, UCHAR *  buf, ULONG  size, ULONG *  ret_size  )

static

Definition at line 594 of file bcrypt_main.c.

{
    if (!wcscmp( prop, BCRYPT_PADDING_SCHEMES ))
    {
        *ret_size = sizeof(ULONG);
        if (size < sizeof(ULONG)) return STATUS_BUFFER_TOO_SMALL;
        if (buf) *(ULONG *)buf = BCRYPT_SUPPORTED_PAD_PKCS1_SIG | BCRYPT_SUPPORTED_PAD_OAEP;
        return STATUS_SUCCESS;
    }
 
    FIXME( "unsupported property %s\n", debugstr_w(prop) );
    return STATUS_NOT_IMPLEMENTED;
}

Referenced by get_alg_property().

get_secret_object()

static struct secret * get_secret_object ( BCRYPT_SECRET_HANDLE  handle )

inlinestatic

Definition at line 311 of file bcrypt_main.c.

{
    return (struct secret *)get_object( handle, MAGIC_SECRET );
}

Referenced by BCryptDeriveKey(), and BCryptDestroySecret().

hash_create()

static NTSTATUS hash_create ( const struct algorithm *  alg, UCHAR *  secret, ULONG  secret_len, ULONG  flags, struct hash **  ret_hash  )

static

Definition at line 926 of file bcrypt_main.c.

{
    struct hash *hash;
    if (!(hash = calloc( 1, sizeof(*hash) ))) return STATUS_NO_MEMORY;
    hash->hdr.magic = MAGIC_HASH;
    hash->alg_id    = alg->id;
 
    if (alg->flags & BCRYPT_ALG_HANDLE_HMAC_FLAG) hash->flags = HASH_FLAG_HMAC;
    if ((alg->flags & BCRYPT_HASH_REUSABLE_FLAG) || (flags & BCRYPT_HASH_REUSABLE_FLAG))
        hash->flags |= HASH_FLAG_REUSABLE;
 
    if (secret_len && !(hash->secret = malloc( secret_len )))
    {
        free( hash );
        return STATUS_NO_MEMORY;
    }
    memcpy( hash->secret, secret, secret_len );
    hash->secret_len = secret_len;
 
    hash_prepare( hash );
    *ret_hash = hash;
    return STATUS_SUCCESS;
}

Referenced by BCryptCreateHash(), derive_key_pbkdf2(), and hash_single().

hash_destroy()

static void hash_destroy ( struct hash *  hash )

static

Definition at line 1002 of file bcrypt_main.c.

{
    if (!hash) return;
    free( hash->secret );
    destroy_object( &hash->hdr );
}

Referenced by BCryptDestroyHash(), derive_key_pbkdf2(), and hash_single().

hash_finalize()

static void hash_finalize ( struct hash *  hash, UCHAR *  output, ULONG  size  )

static

Definition at line 1034 of file bcrypt_main.c.

{
#ifndef __REACTOS__
    UCHAR buffer[MAX_HASH_OUTPUT_BYTES];
    ULONG hash_size;
 
    if (!(hash->flags & HASH_FLAG_HMAC))
    {
#endif
        hash_finish( hash, output );
        if (hash->flags & HASH_FLAG_REUSABLE) hash_prepare( hash );
#ifndef __REACTOS__
        return;
    }
 
    hash_get_size( hash, &hash_size );
    hash_finish( hash, buffer );
    hmac_update( hash, buffer, hash_size );
    hmac_finish( hash, output );
 
    if (hash->flags & HASH_FLAG_REUSABLE) hash_prepare( hash );
#endif
}

Referenced by BCryptDeriveKeyCapi(), BCryptFinishHash(), hash_single(), and pbkdf2().

hash_prepare()

static void hash_prepare ( struct hash *  hash )

static

Definition at line 889 of file bcrypt_main.c.

{
#ifndef __REACTOS__
    UCHAR buffer[MAX_HASH_BLOCK_BITS / 8] = {0};
    ULONG block_bytes, i;
    struct hash *hash_temp;
#endif
 
    /* initialize hash */
    hash_init( hash );
    if (!(hash->flags & HASH_FLAG_HMAC)) return;
 
#ifndef __REACTOS__
    /* initialize hmac */
    hmac_init( hash );
    hash_get_size(hash, &block_bytes);
    memset( buffer, 0, sizeof(buffer) );
    if (hash->secret_len > block_bytes)
    {
        if (!(hash_temp = calloc( 1, sizeof(*hash_temp) ))) return;
        hash_temp->hdr.magic = MAGIC_HASH;
        hash_temp->alg_id    = hash->alg_id;
 
        hash_init( hash_temp );
        hash_update( hash_temp, hash->secret, hash->secret_len );
        hash_finish( hash_temp, buffer );
        free( hash_temp );
    }
    else memcpy( buffer, hash->secret, hash->secret_len );
 
    for (i = 0; i < block_bytes; i++) buffer[i] ^= 0x5c;
    hmac_update( hash, buffer, block_bytes );
    for (i = 0; i < block_bytes; i++) buffer[i] ^= (0x5c ^ 0x36);
    hash_update( hash, buffer, block_bytes );
#endif
}

Referenced by BCryptDeriveKeyCapi(), hash_create(), and hash_finalize().

hash_single()

static NTSTATUS hash_single ( struct algorithm *  alg, UCHAR *  secret, ULONG  secret_len, UCHAR *  input, ULONG  input_len, UCHAR *  output, ULONG  output_len  )

static

Definition at line 1074 of file bcrypt_main.c.

{
    struct hash *hash;
    NTSTATUS status;
 
    if ((status = hash_create( alg, secret, secret_len, 0, &hash ))) return status;
    if (input_len && hash_update( hash, input, input_len ))
    {
        hash_destroy( hash );
        return STATUS_INVALID_PARAMETER;
    }
    hash_finalize( hash, output, output_len );
    hash_destroy( hash );
    return STATUS_SUCCESS;
}

Referenced by BCryptHash(), and derive_key_hash().

is_agreement_key()

static BOOL is_agreement_key ( struct key *  key )

inlinestatic

Definition at line 148 of file bcrypt_main.c.

{
    return builtin_algorithms[key->alg_id].class == BCRYPT_SECRET_AGREEMENT_INTERFACE;
}

Referenced by BCryptSecretAgreement().

is_alg_pseudo_handle()

static BOOL is_alg_pseudo_handle ( BCRYPT_ALG_HANDLE  handle )

inlinestatic

Definition at line 269 of file bcrypt_main.c.

{
    return (((ULONG_PTR)handle & 1) == 1);
}

Referenced by BCryptCloseAlgorithmProvider(), BCryptGenRandom(), BCryptSetProperty(), and get_object().

is_asymmetric_encryption_key()

static BOOL is_asymmetric_encryption_key ( struct key *  key )

inlinestatic

Definition at line 143 of file bcrypt_main.c.

{
    return builtin_algorithms[key->alg_id].class == BCRYPT_ASYMMETRIC_ENCRYPTION_INTERFACE;
}

Referenced by BCryptDecrypt(), and BCryptEncrypt().

is_equal_vector()

static BOOL is_equal_vector ( const UCHAR *  vector, ULONG  len, const UCHAR *  vector2, ULONG  len2  )

static

Definition at line 1119 of file bcrypt_main.c.

{
    if (!vector && !vector2) return TRUE;
    if (len != len2) return FALSE;
    return !memcmp( vector, vector2, len );
}

Referenced by key_symmetric_set_vector().

is_signature_key()

static BOOL is_signature_key ( struct key *  key )

inlinestatic

Definition at line 153 of file bcrypt_main.c.

{
    return builtin_algorithms[key->alg_id].class == BCRYPT_SIGNATURE_INTERFACE || key->alg_id == ALG_ID_RSA;
}

Referenced by BCryptSignHash(), and BCryptVerifySignature().

is_symmetric_key()

static BOOL is_symmetric_key ( const struct key *  key )

inlinestatic

Definition at line 137 of file bcrypt_main.c.

{
    return builtin_algorithms[key->alg_id].class == BCRYPT_CIPHER_INTERFACE
        || builtin_algorithms[key->alg_id].class == BCRYPT_KEY_DERIVATION_INTERFACE;
}

Referenced by BCryptDecrypt(), BCryptEncrypt(), get_key_property(), key_destroy(), and key_duplicate().

key_asymmetric_create()

static NTSTATUS key_asymmetric_create ( enum alg_id  alg_id, ULONG  bitlen, struct key **  ret_key  )

static

Definition at line 1104 of file bcrypt_main.c.

{
    struct key *key;
 
    if (alg_id == ALG_ID_DH && bitlen < 512) return STATUS_INVALID_PARAMETER;
 
    if (!(key = calloc( 1, sizeof(*key) ))) return STATUS_NO_MEMORY;
    key->hdr.magic  = MAGIC_KEY;
    key->alg_id     = alg_id;
    key->u.a.bitlen = bitlen;
 
    *ret_key = key;
    return STATUS_SUCCESS;
}

Referenced by BCryptGenerateKeyPair(), and key_import_pair().

key_destroy()

static void key_destroy ( struct key *  key )

static

Definition at line 1167 of file bcrypt_main.c.

{
    if (is_symmetric_key( key ))
    {
        key_symmetric_destroy( key );
        free( key->u.s.vector );
        free( key->u.s.secret );
        DeleteCriticalSection( &key->u.s.cs );
    }
    else
        key_asymmetric_destroy( key );
 
    destroy_object( &key->hdr );
}

Referenced by aes_unwrap(), aes_wrap(), BCryptDestroyKey(), BCryptDestroySecret(), BCryptSecretAgreement(), and key_import_pair().

key_duplicate()

static NTSTATUS key_duplicate ( struct key *  key_orig, struct key **  ret_key  )

static

Definition at line 2105 of file bcrypt_main.c.

{
    struct key_asymmetric_duplicate_params params;
    struct key *key_copy;
    NTSTATUS status;
    UCHAR *buffer;
 
    if (!(key_copy = calloc( 1, sizeof(*key_copy) ))) return STATUS_NO_MEMORY;
    key_copy->hdr    = key_orig->hdr;
    key_copy->alg_id = key_orig->alg_id;
 
    if (is_symmetric_key( key_orig ))
    {
        if (!(buffer = malloc( key_orig->u.s.secret_len )))
        {
            free( key_copy );
            return STATUS_NO_MEMORY;
        }
        memcpy( buffer, key_orig->u.s.secret, key_orig->u.s.secret_len );
 
        key_copy->u.s.mode       = key_orig->u.s.mode;
        key_copy->u.s.block_size = key_orig->u.s.block_size;
        key_copy->u.s.secret     = buffer;
        key_copy->u.s.secret_len = key_orig->u.s.secret_len;
        InitializeCriticalSection( &key_copy->u.s.cs );
        *ret_key = key_copy;
        return STATUS_SUCCESS;
    }
 
    key_copy->u.a.bitlen   = key_orig->u.a.bitlen;
    key_copy->u.a.flags    = key_orig->u.a.flags;
    key_copy->u.a.dss_seed = key_orig->u.a.dss_seed;
 
    params.key_orig = key_orig;
    params.key_copy = key_copy;
    if (!(status = key_asymmetric_duplicate ( &params ))) *ret_key = key_copy;
    else free( key_copy );
    return status;
}

Referenced by BCryptDuplicateKey(), and BCryptSecretAgreement().

key_export()

static NTSTATUS key_export ( struct key *  key, struct key *  encrypt_key, const WCHAR *  type, UCHAR *  output, ULONG  output_len, ULONG *  size  )

static

Definition at line 1589 of file bcrypt_main.c.

{
    struct key_asymmetric_export_params params;
    NTSTATUS status;
 
    if (encrypt_key && wcscmp( type, BCRYPT_AES_WRAP_KEY_BLOB ))
    {
        FIXME( "encryption of key not supported\n" );
        return STATUS_NOT_IMPLEMENTED;
    }
 
    if (!wcscmp( type, BCRYPT_KEY_DATA_BLOB ))
    {
        BCRYPT_KEY_DATA_BLOB_HEADER *header = (BCRYPT_KEY_DATA_BLOB_HEADER *)output;
        ULONG req_size = sizeof(BCRYPT_KEY_DATA_BLOB_HEADER) + key->u.s.secret_len;
 
        *size = req_size;
        if (output_len < req_size) return STATUS_BUFFER_TOO_SMALL;
        if (output)
        {
            header->dwMagic   = BCRYPT_KEY_DATA_BLOB_MAGIC;
            header->dwVersion = BCRYPT_KEY_DATA_BLOB_VERSION1;
            header->cbKeyData = key->u.s.secret_len;
            memcpy( &header[1], key->u.s.secret, key->u.s.secret_len );
        }
        return STATUS_SUCCESS;
    }
    else if (!wcscmp( type, BCRYPT_OPAQUE_KEY_BLOB ))
    {
        ULONG len, req_size = sizeof(len) + key->u.s.secret_len;
 
        *size = req_size;
        if (output_len < req_size) return STATUS_BUFFER_TOO_SMALL;
        if (output)
        {
            *(ULONG *)output = key->u.s.secret_len;
            memcpy( output + sizeof(len), key->u.s.secret, key->u.s.secret_len );
        }
        return STATUS_SUCCESS;
    }
    else if (!wcscmp( type, BCRYPT_DSA_PRIVATE_BLOB ) || !wcscmp( type, LEGACY_DSA_V2_PRIVATE_BLOB ) ||
             !wcscmp( type, BCRYPT_ECCPRIVATE_BLOB ) || !wcscmp( type, BCRYPT_DH_PRIVATE_BLOB ))
    {
        params.key     = key;
        params.flags   = 0;
        params.buf     = output;
        params.len     = output_len;
        params.ret_len = size;
        return key_asymmetric_export( &params );
    }
    else if (!wcscmp( type, BCRYPT_RSAPRIVATE_BLOB ) || !wcscmp( type, BCRYPT_RSAFULLPRIVATE_BLOB ))
    {
        params.key     = key;
        params.flags   = (wcscmp( type, BCRYPT_RSAPRIVATE_BLOB )) ? KEY_EXPORT_FLAG_RSA_FULL : 0;
        params.buf     = output;
        params.len     = output_len;
        params.ret_len = size;
        return key_asymmetric_export( &params );
    }
    else if (!wcscmp( type, BCRYPT_DSA_PUBLIC_BLOB ) || !wcscmp( type, LEGACY_DSA_V2_PUBLIC_BLOB ) ||
             !wcscmp( type, BCRYPT_ECCPUBLIC_BLOB ) || !wcscmp( type, BCRYPT_RSAPUBLIC_BLOB ) ||
             !wcscmp( type, BCRYPT_DH_PUBLIC_BLOB ))
    {
        params.key     = key;
        params.flags   = KEY_EXPORT_FLAG_PUBLIC;
        params.buf     = output;
        params.len     = output_len;
        params.ret_len = size;
        return key_asymmetric_export( &params );
    }
    else if (!wcscmp( type, BCRYPT_AES_WRAP_KEY_BLOB ))
    {
        ULONG req_size = key->u.s.secret_len + 8;
 
        if (!encrypt_key) return STATUS_INVALID_PARAMETER;
 
        *size = req_size;
        if (output)
        {
            if (output_len < req_size) return STATUS_BUFFER_TOO_SMALL;
            if ((status = aes_wrap( encrypt_key->u.s.secret, encrypt_key->u.s.secret_len, key->u.s.secret, key->u.s.secret_len, output )))
                return status;
        }
        return STATUS_SUCCESS;
    }
 
    FIXME( "unsupported key type %s\n", debugstr_w(type) );
    return STATUS_NOT_IMPLEMENTED;
}

Referenced by BCryptExportKey().

key_import()

static NTSTATUS key_import ( struct algorithm *  alg, struct key *  decrypt_key, const WCHAR *  type, BCRYPT_KEY_HANDLE *  key, UCHAR *  object, ULONG  object_len, UCHAR *  input, ULONG  input_len  )

static

Definition at line 1394 of file bcrypt_main.c.

{
    ULONG len;
    NTSTATUS status;
 
    if (decrypt_key && wcscmp( type, BCRYPT_AES_WRAP_KEY_BLOB ))
    {
        FIXME( "decryption of key not supported\n" );
        return STATUS_NOT_IMPLEMENTED;
    }
 
    if (!wcscmp( type, BCRYPT_KEY_DATA_BLOB ))
    {
        BCRYPT_KEY_DATA_BLOB_HEADER *header = (BCRYPT_KEY_DATA_BLOB_HEADER *)input;
 
        if (input_len < sizeof(BCRYPT_KEY_DATA_BLOB_HEADER)) return STATUS_BUFFER_TOO_SMALL;
        if (header->dwMagic != BCRYPT_KEY_DATA_BLOB_MAGIC) return STATUS_INVALID_PARAMETER;
        if (header->dwVersion != BCRYPT_KEY_DATA_BLOB_VERSION1)
        {
            FIXME( "unknown key data blob version %lu\n", header->dwVersion );
            return STATUS_INVALID_PARAMETER;
        }
        len = header->cbKeyData;
        if (len + sizeof(BCRYPT_KEY_DATA_BLOB_HEADER) > input_len) return STATUS_INVALID_PARAMETER;
 
        return key_symmetric_generate( alg, key, (UCHAR *)&header[1], len );
    }
    else if (!wcscmp( type, BCRYPT_OPAQUE_KEY_BLOB ))
    {
        if (input_len < sizeof(len)) return STATUS_BUFFER_TOO_SMALL;
        len = *(ULONG *)input;
        if (len + sizeof(len) > input_len) return STATUS_INVALID_PARAMETER;
 
        return key_symmetric_generate( alg, key, input + sizeof(len), len );
    }
    else if (!wcscmp( type, BCRYPT_AES_WRAP_KEY_BLOB ))
    {
        UCHAR output[32];
 
        if (!decrypt_key || input_len < 8) return STATUS_INVALID_PARAMETER;
 
        len = input_len - 8;
        if (len < BLOCK_LENGTH_AES || len & (BLOCK_LENGTH_AES - 1)) return STATUS_INVALID_PARAMETER;
 
        if ((status = aes_unwrap( decrypt_key->u.s.secret, decrypt_key->u.s.secret_len, input, len, output )))
            return status;
 
        return key_symmetric_generate( alg, key, output, len );
    }
 
    FIXME( "unsupported key type %s\n", debugstr_w(type) );
    return STATUS_NOT_IMPLEMENTED;
}

Referenced by BCryptImportKey().

key_import_pair()

static NTSTATUS key_import_pair ( struct algorithm *  alg, const WCHAR *  type, BCRYPT_KEY_HANDLE *  ret_key, UCHAR *  input, ULONG  input_len  )

static

Definition at line 1727 of file bcrypt_main.c.

{
    struct key_asymmetric_import_params params;
    struct key *key;
    NTSTATUS status;
    ULONG size;
 
    if (!wcscmp( type, BCRYPT_ECCPUBLIC_BLOB ))
    {
        BCRYPT_ECCKEY_BLOB *ecc_blob = (BCRYPT_ECCKEY_BLOB *)input;
        DWORD key_size, magic;
 
        if (input_len < sizeof(*ecc_blob)) return STATUS_INVALID_PARAMETER;
 
        switch (alg->id)
        {
        case ALG_ID_ECDH_P256:
            key_size = 32;
            magic = BCRYPT_ECDH_PUBLIC_P256_MAGIC;
            break;
 
        case ALG_ID_ECDH_P384:
            key_size = 48;
            magic = BCRYPT_ECDH_PUBLIC_P384_MAGIC;
            break;
 
        case ALG_ID_ECDSA_P256:
            key_size = 32;
            magic = BCRYPT_ECDSA_PUBLIC_P256_MAGIC;
            break;
 
        case ALG_ID_ECDSA_P384:
            key_size = 48;
            magic = BCRYPT_ECDSA_PUBLIC_P384_MAGIC;
            break;
 
        default:
            FIXME( "algorithm %u does not yet support importing blob of type %s\n", alg->id, debugstr_w(type) );
            return STATUS_NOT_SUPPORTED;
        }
 
        if (ecc_blob->dwMagic != magic) return STATUS_INVALID_PARAMETER;
        if (ecc_blob->cbKey != key_size || input_len < sizeof(*ecc_blob) + ecc_blob->cbKey * 2)
            return STATUS_INVALID_PARAMETER;
 
        if ((status = key_asymmetric_create( alg->id, key_size * 8, &key ))) return status;
        params.key   = key;
        params.flags = KEY_IMPORT_FLAG_PUBLIC;
        params.buf   = input;
        params.len   = input_len;
        if ((status = key_asymmetric_import( &params )))
        {
            key_destroy( key );
            return status;
        }
    }
    else if (!wcscmp( type, BCRYPT_ECCPRIVATE_BLOB ))
    {
        BCRYPT_ECCKEY_BLOB *ecc_blob = (BCRYPT_ECCKEY_BLOB *)input;
        DWORD key_size, magic;
 
        if (input_len < sizeof(*ecc_blob)) return STATUS_INVALID_PARAMETER;
 
        switch (alg->id)
        {
        case ALG_ID_ECDH_P256:
            key_size = 32;
            magic = BCRYPT_ECDH_PRIVATE_P256_MAGIC;
            break;
 
        case ALG_ID_ECDH_P384:
            key_size = 48;
            magic = BCRYPT_ECDH_PRIVATE_P384_MAGIC;
            break;
 
        case ALG_ID_ECDSA_P256:
            key_size = 32;
            magic = BCRYPT_ECDSA_PRIVATE_P256_MAGIC;
            break;
 
        default:
            FIXME( "algorithm %u does not yet support importing blob of type %s\n", alg->id, debugstr_w(type) );
            return STATUS_NOT_SUPPORTED;
        }
 
        if (ecc_blob->dwMagic != magic) return STATUS_INVALID_PARAMETER;
        if (ecc_blob->cbKey != key_size || input_len < sizeof(*ecc_blob) + ecc_blob->cbKey * 3)
            return STATUS_INVALID_PARAMETER;
 
        if ((status = key_asymmetric_create( alg->id, key_size * 8, &key ))) return status;
        params.key   = key;
        params.flags = 0;
        params.buf   = input;
        params.len   = input_len;
        if ((status = key_asymmetric_import( &params )))
        {
            key_destroy( key );
            return status;
        }
    }
    else if (!wcscmp( type, BCRYPT_RSAPUBLIC_BLOB ))
    {
        BCRYPT_RSAKEY_BLOB *rsa_blob = (BCRYPT_RSAKEY_BLOB *)input;
 
        if (input_len < sizeof(*rsa_blob)) return STATUS_INVALID_PARAMETER;
        if ((alg->id != ALG_ID_RSA && alg->id != ALG_ID_RSA_SIGN) || rsa_blob->Magic != BCRYPT_RSAPUBLIC_MAGIC)
            return STATUS_NOT_SUPPORTED;
 
        size = sizeof(*rsa_blob) + rsa_blob->cbPublicExp + rsa_blob->cbModulus;
        if (size != input_len) return NTE_BAD_DATA;
 
        if ((status = key_asymmetric_create( alg->id, rsa_blob->BitLength, &key ))) return status;
        params.key   = key;
        params.flags = KEY_IMPORT_FLAG_PUBLIC;
        params.buf   = input;
        params.len   = input_len;
        if ((status = key_asymmetric_import( &params )))
        {
            key_destroy( key );
            return status;
        }
    }
    else if (!wcscmp( type, BCRYPT_RSAPRIVATE_BLOB ) || !wcscmp( type, BCRYPT_RSAFULLPRIVATE_BLOB ))
    {
        BCRYPT_RSAKEY_BLOB *rsa_blob = (BCRYPT_RSAKEY_BLOB *)input;
 
        if (input_len < sizeof(*rsa_blob)) return STATUS_INVALID_PARAMETER;
        if (alg->id != ALG_ID_RSA || (rsa_blob->Magic != BCRYPT_RSAPRIVATE_MAGIC &&
            rsa_blob->Magic != BCRYPT_RSAFULLPRIVATE_MAGIC)) return STATUS_NOT_SUPPORTED;
 
        if ((status = key_asymmetric_create( alg->id, rsa_blob->BitLength, &key ))) return status;
        params.key   = key;
        params.flags = 0;
        params.buf   = input;
        params.len   = input_len;
        if ((status = key_asymmetric_import( &params )))
        {
            key_destroy( key );
            return status;
        }
    }
    else if (!wcscmp( type, LEGACY_RSAPRIVATE_BLOB ))
    {
        BCRYPT_RSAKEY_BLOB *rsa_blob;
 
        status = convert_legacy_rsaprivate_blob( alg, &rsa_blob, &input_len, input, input_len );
        if (status != STATUS_SUCCESS)
                return status;
 
        status = key_import_pair( alg, BCRYPT_RSAPRIVATE_BLOB, ret_key, (UCHAR *)rsa_blob, input_len );
        SecureZeroMemory( rsa_blob, input_len );
        free( rsa_blob );
        return status;
    }
    else if (!wcscmp( type, BCRYPT_DSA_PUBLIC_BLOB ))
    {
        BCRYPT_DSA_KEY_BLOB *dsa_blob = (BCRYPT_DSA_KEY_BLOB *)input;
 
        if (input_len < sizeof(*dsa_blob)) return STATUS_INVALID_PARAMETER;
        if (alg->id != ALG_ID_DSA || dsa_blob->dwMagic != BCRYPT_DSA_PUBLIC_MAGIC)
            return STATUS_NOT_SUPPORTED;
 
        if ((status = key_asymmetric_create( alg->id, dsa_blob->cbKey * 8, &key ))) return status;
        params.key   = key;
        params.flags = KEY_IMPORT_FLAG_PUBLIC;
        params.buf   = input;
        params.len   = input_len;
        if ((status = key_asymmetric_import( &params )))
        {
            key_destroy( key );
            return status;
        }
    }
    else if (!wcscmp( type, LEGACY_DSA_V2_PRIVATE_BLOB ))
    {
        BLOBHEADER *hdr = (BLOBHEADER *)input;
        DSSPUBKEY *pubkey;
 
        if (input_len < sizeof(*hdr)) return STATUS_INVALID_PARAMETER;
 
        if (hdr->bType != PRIVATEKEYBLOB && hdr->bVersion != 2 && hdr->aiKeyAlg != CALG_DSS_SIGN)
        {
            FIXME( "blob type %u version %u alg id %u not supported\n", hdr->bType, hdr->bVersion, hdr->aiKeyAlg );
            return STATUS_NOT_SUPPORTED;
        }
        if (alg->id != ALG_ID_DSA)
        {
            FIXME( "algorithm %u does not support importing blob of type %s\n", alg->id, debugstr_w(type) );
            return STATUS_NOT_SUPPORTED;
        }
 
        if (input_len < sizeof(*hdr) + sizeof(*pubkey)) return STATUS_INVALID_PARAMETER;
        pubkey = (DSSPUBKEY *)(hdr + 1);
        if (pubkey->magic != MAGIC_DSS2) return STATUS_NOT_SUPPORTED;
 
        if (input_len < sizeof(*hdr) + sizeof(*pubkey) + (pubkey->bitlen / 8) * 2 + 40 + sizeof(DSSSEED))
            return STATUS_INVALID_PARAMETER;
 
        if ((status = key_asymmetric_create( alg->id, pubkey->bitlen, &key ))) return status;
        key->u.a.flags |= KEY_FLAG_LEGACY_DSA_V2;
        params.key   = key;
        params.flags = 0;
        params.buf   = input;
        params.len   = input_len;
        if ((status = key_asymmetric_import( &params )))
        {
            key_destroy( key );
            return status;
        }
    }
    else if (!wcscmp( type, LEGACY_DSA_V2_PUBLIC_BLOB )) /* not supported on native */
    {
        BLOBHEADER *hdr = (BLOBHEADER *)input;
        DSSPUBKEY *pubkey;
 
        if (alg->id != ALG_ID_DSA) return STATUS_NOT_SUPPORTED;
        if (input_len < sizeof(*hdr)) return STATUS_INVALID_PARAMETER;
 
        if (hdr->bType != PUBLICKEYBLOB && hdr->bVersion != 2 && hdr->aiKeyAlg != CALG_DSS_SIGN)
        {
            FIXME( "blob type %u version %u alg id %u not supported\n", hdr->bType, hdr->bVersion, hdr->aiKeyAlg );
            return STATUS_NOT_SUPPORTED;
        }
 
        if (input_len < sizeof(*hdr) + sizeof(*pubkey)) return STATUS_INVALID_PARAMETER;
        pubkey = (DSSPUBKEY *)(hdr + 1);
        if (pubkey->magic != MAGIC_DSS1) return STATUS_NOT_SUPPORTED;
 
        size = sizeof(*hdr) + sizeof(*pubkey) + (pubkey->bitlen / 8) * 3 + 20 + sizeof(DSSSEED);
        if (input_len < size) return STATUS_INVALID_PARAMETER;
 
        if ((status = key_asymmetric_create( alg->id, pubkey->bitlen, &key ))) return status;
        key->u.a.flags |= KEY_FLAG_LEGACY_DSA_V2;
        params.key   = key;
        params.flags = KEY_IMPORT_FLAG_PUBLIC;
        params.buf   = input;
        params.len   = input_len;
        if ((status = key_asymmetric_import( &params )))
        {
            key_destroy( key );
            return status;
        }
    }
    else if (!wcscmp( type, BCRYPT_DH_PRIVATE_BLOB ))
    {
        BCRYPT_DH_KEY_BLOB *dh_blob = (BCRYPT_DH_KEY_BLOB *)input;
 
        if (input_len != sizeof(*dh_blob) + dh_blob->cbKey * 4) return STATUS_INVALID_PARAMETER;
        if (alg->id != ALG_ID_DH || dh_blob->dwMagic != BCRYPT_DH_PRIVATE_MAGIC)
            return STATUS_NOT_SUPPORTED;
 
        if ((status = key_asymmetric_create( alg->id, dh_blob->cbKey * 8, &key ))) return status;
        params.key   = key;
        params.flags = 0;
        params.buf   = input;
        params.len   = input_len;
        if ((status = key_asymmetric_import( &params )))
        {
            key_destroy( key );
            return status;
        }
    }
    else if (!wcscmp( type, BCRYPT_DH_PUBLIC_BLOB ))
    {
        BCRYPT_DH_KEY_BLOB *dh_blob = (BCRYPT_DH_KEY_BLOB *)input;
 
        if (input_len != sizeof(*dh_blob) + dh_blob->cbKey * 3) return STATUS_INVALID_PARAMETER;
        if (alg->id != ALG_ID_DH || dh_blob->dwMagic != BCRYPT_DH_PUBLIC_MAGIC)
            return STATUS_NOT_SUPPORTED;
 
        if ((status = key_asymmetric_create( alg->id, dh_blob->cbKey * 8, &key ))) return status;
        params.key   = key;
        params.flags = KEY_IMPORT_FLAG_PUBLIC;
        params.buf   = input;
        params.len   = input_len;
        if ((status = key_asymmetric_import( &params )))
        {
            key_destroy( key );
            return status;
        }
    }
    else
    {
        FIXME( "unsupported key type %s\n", debugstr_w(type) );
        return STATUS_NOT_SUPPORTED;
    }
 
    if (!status)
    {
        key->u.a.flags |= KEY_FLAG_FINALIZED;
        *ret_key = key;
    }
    return status;
}

Referenced by BCryptImportKeyPair(), and key_import_pair().

key_symmetric_create()

static struct key * key_symmetric_create ( enum alg_id  alg, enum chain_mode  mode, ULONG  block_size, const UCHAR *  secret, ULONG  secret_len  )

static

Definition at line 1143 of file bcrypt_main.c.

{
    struct key *ret;
 
    if (!(ret = calloc( 1, sizeof(*ret) ))) return NULL;
    InitializeCriticalSection( &ret->u.s.cs );
    ret->hdr.magic      = MAGIC_KEY;
    ret->alg_id         = alg;
    ret->u.s.mode       = mode;
    ret->u.s.block_size = block_size;
 
    if (!(ret->u.s.secret = malloc( secret_len )))
    {
        DeleteCriticalSection( &ret->u.s.cs );
        free( ret );
        return NULL;
    }
    memcpy( ret->u.s.secret, secret, secret_len );
    ret->u.s.secret_len = secret_len;
 
    return ret;
}

Referenced by aes_unwrap(), aes_wrap(), and key_symmetric_generate().

key_symmetric_decrypt()

static NTSTATUS key_symmetric_decrypt ( struct key *  key, UCHAR *  input, ULONG  input_len, void *  padding, UCHAR *  iv, ULONG  iv_len, UCHAR *  output, ULONG  output_len, ULONG *  ret_len, ULONG  flags  )

static

Definition at line 1234 of file bcrypt_main.c.

{
    struct key_symmetric_set_auth_data_params auth_params;
    struct key_symmetric_decrypt_params decrypt_params;
    struct key_symmetric_get_tag_params tag_params;
    ULONG bytes_left = input_len;
    NTSTATUS status;
 
    if (key->u.s.mode == CHAIN_MODE_GCM)
    {
        BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO *auth_info = padding;
#ifndef __REACTOS__
        UCHAR tag[16];
#endif
 
        if (!auth_info) return STATUS_INVALID_PARAMETER;
        if (!auth_info->pbNonce) return STATUS_INVALID_PARAMETER;
        if (!auth_info->pbTag) return STATUS_INVALID_PARAMETER;
        if (auth_info->cbTag < 12 || auth_info->cbTag > 16) return STATUS_INVALID_PARAMETER;
 
        if ((status = key_symmetric_set_vector( key, auth_info->pbNonce, auth_info->cbNonce, TRUE )))
            return status;
 
        *ret_len = input_len;
        if (flags & BCRYPT_BLOCK_PADDING) return STATUS_INVALID_PARAMETER;
        if (!output) return STATUS_SUCCESS;
        if (output_len < *ret_len) return STATUS_BUFFER_TOO_SMALL;
 
        auth_params.key = key;
        auth_params.auth_data = auth_info->pbAuthData;
        auth_params.len = auth_info->cbAuthData;
#ifdef __REACTOS__
        auth_params.encrypt = FALSE;
#endif
        if ((status = key_symmetric_set_auth_data( &auth_params ))) return status;
 
        decrypt_params.key = key;
        decrypt_params.input = input;
        decrypt_params.input_len = input_len;
        decrypt_params.output = output;
        decrypt_params.output_len = output_len;
        if ((status = key_symmetric_decrypt_internal( &decrypt_params ))) return status;
 
#ifndef __REACTOS__
        tag_params.key = key;
        tag_params.tag = tag;
        tag_params.len = sizeof(tag);
        if ((status = key_symmetric_get_tag( &tag_params ))) return status;
        if (memcmp( tag, auth_info->pbTag, auth_info->cbTag )) return STATUS_AUTH_TAG_MISMATCH;
#else
        tag_params.key = key;
        tag_params.tag = auth_info->pbTag;
        tag_params.len = auth_info->cbTag;
        if ((status = key_symmetric_get_tag( &tag_params ))) return status;
#endif
 
        return STATUS_SUCCESS;
    }
 
    *ret_len = input_len;
 
    if (input_len & (key->u.s.block_size - 1)) return STATUS_INVALID_BUFFER_SIZE;
    if (!output) return STATUS_SUCCESS;
    if (flags & BCRYPT_BLOCK_PADDING)
    {
        if (output_len + key->u.s.block_size < *ret_len) return STATUS_BUFFER_TOO_SMALL;
        if (input_len < key->u.s.block_size) return STATUS_BUFFER_TOO_SMALL;
        bytes_left -= key->u.s.block_size;
    }
    else if (output_len < *ret_len) return STATUS_BUFFER_TOO_SMALL;
 
    if (key->u.s.mode == CHAIN_MODE_ECB && iv) return STATUS_INVALID_PARAMETER;
    if ((status = key_symmetric_set_vector( key, iv, iv_len, flags & BCRYPT_BLOCK_PADDING ))) return status;
 
    decrypt_params.key = key;
    decrypt_params.input = input;
    decrypt_params.input_len = key->u.s.block_size;
    decrypt_params.output = output;
    decrypt_params.output_len = key->u.s.block_size;
    while (bytes_left >= key->u.s.block_size)
    {
        if ((status = key_symmetric_decrypt_internal( &decrypt_params ))) return status;
        if (key->u.s.mode == CHAIN_MODE_ECB && (status = key_symmetric_set_vector( key, NULL, 0, TRUE )))
            return status;
        bytes_left -= key->u.s.block_size;
        decrypt_params.input += key->u.s.block_size;
        decrypt_params.output += key->u.s.block_size;
    }
 
    if (flags & BCRYPT_BLOCK_PADDING)
    {
        UCHAR *buf, *dst = decrypt_params.output;
        if (!(buf = malloc( key->u.s.block_size ))) return STATUS_NO_MEMORY;
        decrypt_params.output = buf;
        status = key_symmetric_decrypt_internal( &decrypt_params );
        if (!status && buf[ key->u.s.block_size - 1 ] <= key->u.s.block_size)
        {
            *ret_len -= buf[ key->u.s.block_size - 1 ];
            if (output_len < *ret_len) status = STATUS_BUFFER_TOO_SMALL;
            else memcpy( dst, buf, key->u.s.block_size - buf[ key->u.s.block_size - 1 ] );
        }
        else status = STATUS_UNSUCCESSFUL; /* FIXME: invalid padding */
        free( buf );
    }
 
    if (!status)
    {
        if (key->u.s.vector && input_len >= key->u.s.vector_len)
        {
            memcpy( key->u.s.vector, input + input_len - key->u.s.vector_len, key->u.s.vector_len );
            if (iv) memcpy( iv, key->u.s.vector, min( iv_len, key->u.s.vector_len ));
        }
        else if (key->u.s.vector)
            FIXME( "Unexpected vector len %lu, *ret_len %lu.\n", key->u.s.vector_len, *ret_len );
    }
 
    return status;
}

Referenced by aes_unwrap(), and BCryptDecrypt().

key_symmetric_encrypt()

static NTSTATUS key_symmetric_encrypt ( struct key *  key, UCHAR *  input, ULONG  input_len, void *  padding, UCHAR *  iv, ULONG  iv_len, UCHAR *  output, ULONG  output_len, ULONG *  ret_len, ULONG  flags  )

static

Definition at line 1449 of file bcrypt_main.c.

{
    struct key_symmetric_set_auth_data_params auth_params;
    struct key_symmetric_encrypt_params encrypt_params;
    struct key_symmetric_get_tag_params tag_params;
    ULONG bytes_left = input_len;
    UCHAR *buf;
    NTSTATUS status;
 
    if (key->u.s.mode == CHAIN_MODE_GCM)
    {
        BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO *auth_info = padding;
 
        if (!auth_info) return STATUS_INVALID_PARAMETER;
        if (!auth_info->pbNonce) return STATUS_INVALID_PARAMETER;
        if (!auth_info->pbTag) return STATUS_INVALID_PARAMETER;
        if (auth_info->cbTag < 12 || auth_info->cbTag > 16) return STATUS_INVALID_PARAMETER;
        if (auth_info->dwFlags & BCRYPT_AUTH_MODE_CHAIN_CALLS_FLAG)
            FIXME( "call chaining not implemented\n" );
 
        if ((status = key_symmetric_set_vector( key, auth_info->pbNonce, auth_info->cbNonce, TRUE )))
            return status;
 
        *ret_len = input_len;
        if (flags & BCRYPT_BLOCK_PADDING) return STATUS_INVALID_PARAMETER;
        if (input && !output) return STATUS_SUCCESS;
        if (output_len < *ret_len) return STATUS_BUFFER_TOO_SMALL;
 
        auth_params.key = key;
        auth_params.auth_data = auth_info->pbAuthData;
        auth_params.len = auth_info->cbAuthData;
#ifdef __REACTOS__
        auth_params.encrypt = TRUE;
#endif
        if ((status = key_symmetric_set_auth_data( &auth_params ))) return status;
 
        encrypt_params.key = key;
        encrypt_params.input = input;
        encrypt_params.input_len = input_len;
        encrypt_params.output = output;
        encrypt_params.output_len = output_len;
        if ((status = key_symmetric_encrypt_internal( &encrypt_params ))) return status;
 
        tag_params.key = key;
        tag_params.tag = auth_info->pbTag;
        tag_params.len = auth_info->cbTag;
        return key_symmetric_get_tag( &tag_params );
    }
 
    *ret_len = input_len;
 
    if (flags & BCRYPT_BLOCK_PADDING)
        *ret_len = (input_len + key->u.s.block_size) & ~(key->u.s.block_size - 1);
    else if (input_len & (key->u.s.block_size - 1))
        return STATUS_INVALID_BUFFER_SIZE;
 
    if (!output) return STATUS_SUCCESS;
    if (output_len < *ret_len) return STATUS_BUFFER_TOO_SMALL;
    if (key->u.s.mode == CHAIN_MODE_ECB && iv) return STATUS_INVALID_PARAMETER;
    if ((status = key_symmetric_set_vector( key, iv, iv_len, flags & BCRYPT_BLOCK_PADDING ))) return status;
 
    encrypt_params.key = key;
    encrypt_params.input = input;
    encrypt_params.input_len = key->u.s.block_size;
    encrypt_params.output = output;
    encrypt_params.output_len = key->u.s.block_size;
    while (bytes_left >= key->u.s.block_size)
    {
        if ((status = key_symmetric_encrypt_internal( &encrypt_params )))
            return status;
        if (key->u.s.mode == CHAIN_MODE_ECB && (status = key_symmetric_set_vector( key, NULL, 0, TRUE )))
            return status;
        bytes_left -= key->u.s.block_size;
        encrypt_params.input += key->u.s.block_size;
        encrypt_params.output += key->u.s.block_size;
    }
 
    if (flags & BCRYPT_BLOCK_PADDING)
    {
        if (!(buf = malloc( key->u.s.block_size ))) return STATUS_NO_MEMORY;
        memcpy( buf, encrypt_params.input, bytes_left );
        memset( buf + bytes_left, key->u.s.block_size - bytes_left, key->u.s.block_size - bytes_left );
        encrypt_params.input = buf;
        status = key_symmetric_encrypt_internal( &encrypt_params );
        free( buf );
    }
 
    if (!status)
    {
        if (key->u.s.vector && *ret_len >= key->u.s.vector_len)
        {
            memcpy( key->u.s.vector, output + *ret_len - key->u.s.vector_len, key->u.s.vector_len );
            if (iv) memcpy( iv, key->u.s.vector, min( iv_len, key->u.s.vector_len ));
        }
        else if (key->u.s.vector)
            FIXME( "Unexpected vector len %lu, *ret_len %lu.\n", key->u.s.vector_len, *ret_len );
    }
 
    return status;
}

Referenced by aes_wrap(), and BCryptEncrypt().

key_symmetric_generate()

static NTSTATUS key_symmetric_generate ( struct algorithm *  alg, BCRYPT_KEY_HANDLE *  ret_handle, const UCHAR *  secret, ULONG  secret_len  )

static

Definition at line 1189 of file bcrypt_main.c.

{
    BCRYPT_KEY_LENGTHS_STRUCT key_lengths;
    ULONG block_size, size;
    struct key *key;
    NTSTATUS status;
 
    if (alg->id == ALG_ID_PBKDF2 &&
            !get_alg_property( alg, BCRYPT_KEY_LENGTHS, (UCHAR *)&key_lengths, sizeof(key_lengths), &size ))
    {
        if (secret_len > key_lengths.dwMaxLength / 8 || secret_len < key_lengths.dwMinLength / 8)
            return STATUS_INVALID_PARAMETER;
        block_size = secret_len;
    }
    else if (!(block_size = get_block_size( alg ))) return STATUS_INVALID_PARAMETER;
    else if (!get_alg_property( alg, BCRYPT_KEY_LENGTHS, (UCHAR *)&key_lengths, sizeof(key_lengths), &size ))
    {
        if (secret_len > (size = key_lengths.dwMaxLength / 8))
        {
            WARN( "secret_len %lu exceeds key max length %lu, setting to maximum\n", secret_len, size );
            secret_len = size;
        }
        else if (secret_len < (size = key_lengths.dwMinLength / 8))
        {
            WARN( "secret_len %lu is less than minimum key length %lu\n", secret_len, size );
            return STATUS_INVALID_PARAMETER;
        }
        else if (key_lengths.dwIncrement && (secret_len * 8 - key_lengths.dwMinLength) % key_lengths.dwIncrement)
        {
            WARN( "secret_len %lu is not a valid key length\n", secret_len );
            return STATUS_INVALID_PARAMETER;
        }
    }
 
    if (!(key = key_symmetric_create( alg->id, alg->mode, block_size, secret, secret_len ))) status = STATUS_NO_MEMORY;
    else
    {
        *ret_handle = key;
        status = STATUS_SUCCESS;
    }
 
    return status;
}

Referenced by BCryptGenerateSymmetricKey(), and key_import().

key_symmetric_set_vector()

static NTSTATUS key_symmetric_set_vector ( struct key *  key, UCHAR *  vector, ULONG  vector_len, BOOL  force_reset  )

static

Definition at line 1126 of file bcrypt_main.c.

{
    BOOL needs_reset = force_reset || !is_equal_vector( key->u.s.vector, key->u.s.vector_len, vector, vector_len );
    if (vector)
    {
        free( key->u.s.vector );
        key->u.s.vector = NULL;
        key->u.s.vector_len = 0;
 
        if (!(key->u.s.vector = malloc( vector_len ))) return STATUS_NO_MEMORY;
        memcpy( key->u.s.vector, vector, vector_len );
        key->u.s.vector_len = vector_len;
    }
    if (needs_reset) key_symmetric_vector_reset( key );
    return STATUS_SUCCESS;
}

Referenced by key_symmetric_decrypt(), and key_symmetric_encrypt().

match_operation_type()

static BOOL match_operation_type ( ULONG  type, ULONG  class  )

static

Definition at line 158 of file bcrypt_main.c.

{
    if (!type) return TRUE;
    switch (class)
    {
    case BCRYPT_CIPHER_INTERFACE:                return type & BCRYPT_CIPHER_OPERATION;
    case BCRYPT_HASH_INTERFACE:                  return type & BCRYPT_HASH_OPERATION;
    case BCRYPT_ASYMMETRIC_ENCRYPTION_INTERFACE: return type & BCRYPT_ASYMMETRIC_ENCRYPTION_OPERATION;
    case BCRYPT_SECRET_AGREEMENT_INTERFACE:      return type & BCRYPT_SECRET_AGREEMENT_OPERATION;
    case BCRYPT_SIGNATURE_INTERFACE:             return type & BCRYPT_SIGNATURE_OPERATION;
    case BCRYPT_RNG_INTERFACE:                   return type & BCRYPT_RNG_OPERATION;
    case BCRYPT_KEY_DERIVATION_INTERFACE:        return type & BCRYPT_KEY_DERIVATION_OPERATION;
    default: break;
    }
    return FALSE;
}

Referenced by BCryptEnumAlgorithms().

pbkdf2()

static NTSTATUS pbkdf2 ( struct hash *  hash, UCHAR *  pwd, ULONG  pwd_len, UCHAR *  salt, ULONG  salt_len, ULONGLONG  iterations, ULONG  i, UCHAR *  dst, ULONG  hash_len  )

static

Definition at line 2436 of file bcrypt_main.c.

{
    UCHAR bytes[4], *buf;
    ULONG j, k;
 
    if (!iterations) return STATUS_INVALID_PARAMETER;
    if (!(buf = malloc( hash_len ))) return STATUS_NO_MEMORY;
 
    for (j = 0; j < iterations; j++)
    {
        if (j == 0)
        {
            /* use salt || INT(i) */
            if (salt_len && hash_update( hash, salt, salt_len ))
            {
                free( buf );
                return STATUS_INVALID_PARAMETER;
            }
            bytes[0] = (i >> 24) & 0xff;
            bytes[1] = (i >> 16) & 0xff;
            bytes[2] = (i >> 8) & 0xff;
            bytes[3] = i & 0xff;
            hash_update( hash, bytes, 4 );
        }
        else hash_update( hash, buf, hash_len ); /* use U_j */
 
        hash_finalize( hash, buf, hash_len );
        if (j == 0) memcpy( dst, buf, hash_len );
        else for (k = 0; k < hash_len; k++) dst[k] ^= buf[k];
    }
 
    free( buf );
    return STATUS_SUCCESS;
}

Referenced by derive_key_pbkdf2().

resolve_blob_type()

static const WCHAR * resolve_blob_type ( const WCHAR *  type, UCHAR *  input, ULONG  input_len  )

static

Definition at line 2165 of file bcrypt_main.c.

{
    BCRYPT_KEY_BLOB *blob = (BCRYPT_KEY_BLOB *)input;
 
    if (!type) return NULL;
    if (wcscmp( type, BCRYPT_PUBLIC_KEY_BLOB )) return type;
    if (input_len < sizeof(*blob)) return NULL;
 
    switch (blob->Magic)
    {
    case BCRYPT_ECDH_PUBLIC_P256_MAGIC:
    case BCRYPT_ECDH_PUBLIC_P384_MAGIC:
    case BCRYPT_ECDSA_PUBLIC_P256_MAGIC:
    case BCRYPT_ECDSA_PUBLIC_P384_MAGIC:
        return BCRYPT_ECCPUBLIC_BLOB;
 
    case BCRYPT_RSAPUBLIC_MAGIC:
        return BCRYPT_RSAPUBLIC_BLOB;
 
    case BCRYPT_DSA_PUBLIC_MAGIC:
        return BCRYPT_DSA_PUBLIC_BLOB;
 
    default:
        FIXME( "unsupported key magic %#lx\n", blob->Magic );
        return NULL;
    }
}

Referenced by BCryptImportKeyPair().

reverse_bytes()

static void reverse_bytes ( UCHAR *  buf, ULONG  len  )

static

Definition at line 2576 of file bcrypt_main.c.

{
    ULONG i;
    for (i = 0; i < len / 2; i++)
    {
        UCHAR tmp = buf[i];
        buf[i] = buf[len - i - 1];
        buf[len - i - 1] = tmp;
    }
}

Referenced by derive_key_raw().

set_alg_property()

static NTSTATUS set_alg_property ( struct algorithm *  alg, const WCHAR *  prop, UCHAR *  value, ULONG  size, ULONG  flags  )

static

Definition at line 672 of file bcrypt_main.c.

{
    switch (alg->id)
    {
    case ALG_ID_3DES:
        if (!wcscmp( prop, BCRYPT_CHAINING_MODE ))
        {
            if (!wcscmp( (WCHAR *)value, BCRYPT_CHAIN_MODE_CBC ))
            {
                alg->mode = CHAIN_MODE_CBC;
                return STATUS_SUCCESS;
            }
            else
            {
                FIXME( "unsupported mode %s\n", debugstr_w((WCHAR *)value) );
                return STATUS_NOT_SUPPORTED;
            }
        }
        FIXME( "unsupported 3des algorithm property %s\n", debugstr_w(prop) );
        return STATUS_NOT_IMPLEMENTED;
 
    case ALG_ID_AES:
        if (!wcscmp( prop, BCRYPT_CHAINING_MODE ))
        {
            if (!wcscmp( (WCHAR *)value, BCRYPT_CHAIN_MODE_ECB ))
            {
                alg->mode = CHAIN_MODE_ECB;
                return STATUS_SUCCESS;
            }
            else if (!wcscmp( (WCHAR *)value, BCRYPT_CHAIN_MODE_CBC ))
            {
                alg->mode = CHAIN_MODE_CBC;
                return STATUS_SUCCESS;
            }
            else if (!wcscmp( (WCHAR *)value, BCRYPT_CHAIN_MODE_GCM ))
            {
                alg->mode = CHAIN_MODE_GCM;
                return STATUS_SUCCESS;
            }
            else if (!wcscmp( (WCHAR *)value, BCRYPT_CHAIN_MODE_CFB ))
            {
                alg->mode = CHAIN_MODE_CFB;
                return STATUS_SUCCESS;
            }
            else
            {
                FIXME( "unsupported mode %s\n", debugstr_w((WCHAR *)value) );
                return STATUS_NOT_IMPLEMENTED;
            }
        }
        FIXME( "unsupported aes algorithm property %s\n", debugstr_w(prop) );
        return STATUS_NOT_IMPLEMENTED;
 
    case ALG_ID_RC4:
        if (!wcscmp( prop, BCRYPT_CHAINING_MODE ))
        {
            if (!wcscmp( (WCHAR *)value, BCRYPT_CHAIN_MODE_NA )) return STATUS_SUCCESS;
 
            FIXME( "unsupported mode %s\n", debugstr_w((WCHAR *)value) );
            return STATUS_NOT_IMPLEMENTED;
        }
        FIXME( "unsupported rc4 algorithm property %s\n", debugstr_w(prop) );
        return STATUS_NOT_IMPLEMENTED;
 
    default:
        FIXME( "unsupported algorithm %u\n", alg->id );
        return STATUS_NOT_IMPLEMENTED;
    }
}

Referenced by BCryptSetProperty().

set_key_property()

static NTSTATUS set_key_property ( struct key *  key, const WCHAR *  prop, UCHAR *  value, ULONG  size, ULONG  flags  )

static

Definition at line 742 of file bcrypt_main.c.

{
    if (!wcscmp( prop, BCRYPT_CHAINING_MODE ))
    {
        if (!wcscmp( (WCHAR *)value, BCRYPT_CHAIN_MODE_ECB ))
        {
            key->u.s.mode = CHAIN_MODE_ECB;
            return STATUS_SUCCESS;
        }
        else if (!wcscmp( (WCHAR *)value, BCRYPT_CHAIN_MODE_CBC ))
        {
            key->u.s.mode = CHAIN_MODE_CBC;
            return STATUS_SUCCESS;
        }
        else if (!wcscmp( (WCHAR *)value, BCRYPT_CHAIN_MODE_GCM ))
        {
            key->u.s.mode = CHAIN_MODE_GCM;
            return STATUS_SUCCESS;
        }
        else if (!wcscmp( (WCHAR *)value, BCRYPT_CHAIN_MODE_CFB ))
        {
            key->u.s.mode = CHAIN_MODE_CFB;
            return STATUS_SUCCESS;
        }
        else
        {
            FIXME( "unsupported mode %s\n", debugstr_w((WCHAR *)value) );
            return STATUS_NOT_IMPLEMENTED;
        }
    }
    else if (!wcscmp( prop, BCRYPT_KEY_LENGTH ))
    {
        if (size < sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
        key->u.a.bitlen = *(DWORD*)value;
        return STATUS_SUCCESS;
    }
    else if (!wcscmp( prop, BCRYPT_DH_PARAMETERS ))
    {
        BCRYPT_DH_PARAMETER_HEADER *hdr = (BCRYPT_DH_PARAMETER_HEADER *)value;
        struct key_asymmetric_import_params params;
 
        if (key->u.a.flags & KEY_FLAG_FINALIZED) return STATUS_INVALID_HANDLE;
        if (key->alg_id != ALG_ID_DH || size < sizeof(*hdr) || hdr->cbLength != size ||
            hdr->dwMagic != BCRYPT_DH_PARAMETERS_MAGIC || hdr->cbKeyLength != key->u.a.bitlen / 8)
            return STATUS_INVALID_PARAMETER;
 
        params.key   = key;
        params.flags = KEY_IMPORT_FLAG_DH_PARAMETERS;
        params.buf   = value;
        params.len   = size;
        return key_asymmetric_import( &params );
    }
 
    FIXME( "unsupported key property %s\n", debugstr_w(prop) );
    return STATUS_NOT_IMPLEMENTED;
}

Referenced by BCryptSetProperty().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

bcrypt

)

Variable Documentation

block_bits

ULONG block_bits

Definition at line 111 of file bcrypt_main.c.

const struct { ... } builtin_algorithms[]

Initial value:

=
{
    {  BCRYPT_3DES_ALGORITHM,       BCRYPT_CIPHER_INTERFACE,                522,    0,    0 },
    {  BCRYPT_AES_ALGORITHM,        BCRYPT_CIPHER_INTERFACE,                654,    0,    0 },
    {  BCRYPT_RC4_ALGORITHM,        BCRYPT_CIPHER_INTERFACE,                654,    0,    0 },
    {  BCRYPT_SHA256_ALGORITHM,     BCRYPT_HASH_INTERFACE,                  286,   32,  512 },
    {  BCRYPT_SHA384_ALGORITHM,     BCRYPT_HASH_INTERFACE,                  382,   48, 1024 },
    {  BCRYPT_SHA512_ALGORITHM,     BCRYPT_HASH_INTERFACE,                  382,   64, 1024 },
    {  BCRYPT_SHA1_ALGORITHM,       BCRYPT_HASH_INTERFACE,                  278,   20,  512 },
    {  BCRYPT_MD5_ALGORITHM,        BCRYPT_HASH_INTERFACE,                  274,   16,  512 },
    {  BCRYPT_MD4_ALGORITHM,        BCRYPT_HASH_INTERFACE,                  270,   16,  512 },
    {  BCRYPT_MD2_ALGORITHM,        BCRYPT_HASH_INTERFACE,                  270,   16,  128 },
    {  BCRYPT_RSA_ALGORITHM,        BCRYPT_ASYMMETRIC_ENCRYPTION_INTERFACE, 0,      0,    0 },
    {  BCRYPT_DH_ALGORITHM,         BCRYPT_SECRET_AGREEMENT_INTERFACE,      0,      0,    0 },
    {  BCRYPT_ECDH_P256_ALGORITHM,  BCRYPT_SECRET_AGREEMENT_INTERFACE,      0,      0,    0 },
    {  BCRYPT_ECDH_P384_ALGORITHM,  BCRYPT_SECRET_AGREEMENT_INTERFACE,      0,      0,    0 },
    {  BCRYPT_RSA_SIGN_ALGORITHM,   BCRYPT_SIGNATURE_INTERFACE,             0,      0,    0 },
    {  BCRYPT_ECDSA_P256_ALGORITHM, BCRYPT_SIGNATURE_INTERFACE,             0,      0,    0 },
    {  BCRYPT_ECDSA_P384_ALGORITHM, BCRYPT_SIGNATURE_INTERFACE,             0,      0,    0 },
    {  BCRYPT_DSA_ALGORITHM,        BCRYPT_SIGNATURE_INTERFACE,             0,      0,    0 },
    {  BCRYPT_RNG_ALGORITHM,        BCRYPT_RNG_INTERFACE,                   0,      0,    0 },
    {  BCRYPT_PBKDF2_ALGORITHM,     BCRYPT_KEY_DERIVATION_INTERFACE,      618,      0,    0 },
}

Referenced by BCryptEnumAlgorithms(), BCryptHash(), BCryptOpenAlgorithmProvider(), derive_key_hash(), derive_key_pbkdf2(), generic_alg_property(), is_agreement_key(), is_asymmetric_encryption_key(), is_signature_key(), and is_symmetric_key().

class

ULONG class

Definition at line 108 of file bcrypt_main.c.

hash_length

ULONG hash_length

Definition at line 110 of file bcrypt_main.c.

Referenced by generic_alg_property().

instance

HINSTANCE instance

static

Definition at line 48 of file bcrypt_main.c.

Referenced by DllMain().

name

const WCHAR* name

Definition at line 107 of file bcrypt_main.c.

object_length

ULONG object_length

Definition at line 109 of file bcrypt_main.c.

Referenced by generic_alg_property().

pseudo_algorithms

const struct algorithm pseudo_algorithms[]

static

Definition at line 212 of file bcrypt_main.c.

Referenced by get_object().