crypt.h File Reference

#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wincrypt.h"

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Classes
struct	tagPROVFUNCS
struct	tagCRYPTPROV
struct	tagCRYPTKEY
struct	tagCRYPTHASH
struct	ustring

Macros
#define	MAGIC_CRYPTPROV   0xA39E741F
#define	MAGIC_CRYPTKEY   0xA39E741E
#define	MAGIC_CRYPTHASH   0xA39E741D
#define	MAXPROVTYPES   999

Typedefs
typedef struct tagPROVFUNCS	PROVFUNCS
typedef struct tagPROVFUNCS *	PPROVFUNCS
typedef struct tagCRYPTPROV	CRYPTPROV
typedef struct tagCRYPTPROV *	PCRYPTPROV
typedef struct tagCRYPTKEY	CRYPTKEY
typedef struct tagCRYPTKEY *	PCRYPTKEY
typedef struct tagCRYPTHASH	CRYPTHASH
typedef struct tagCRYPTHASH *	PCRYPTHASH

Functions
unsigned char *	CRYPT_DEShash (unsigned char *dst, const unsigned char *key, const unsigned char *src) DECLSPEC_HIDDEN
unsigned char *	CRYPT_DESunhash (unsigned char *dst, const unsigned char *key, const unsigned char *src) DECLSPEC_HIDDEN
NTSTATUS WINAPI	SystemFunction032 (struct ustring *data, const struct ustring *key)

Macro Definition Documentation

MAGIC_CRYPTHASH

#define MAGIC_CRYPTHASH   0xA39E741D

Definition at line 63 of file crypt.h.

MAGIC_CRYPTKEY

#define MAGIC_CRYPTKEY   0xA39E741E

Definition at line 62 of file crypt.h.

MAGIC_CRYPTPROV

#define MAGIC_CRYPTPROV   0xA39E741F

Definition at line 61 of file crypt.h.

MAXPROVTYPES

#define MAXPROVTYPES   999

Definition at line 89 of file crypt.h.

Typedef Documentation

CRYPTHASH

typedef struct tagCRYPTHASH CRYPTHASH

CRYPTKEY

typedef struct tagCRYPTKEY CRYPTKEY

CRYPTPROV

typedef struct tagCRYPTPROV CRYPTPROV

PCRYPTHASH

typedef struct tagCRYPTHASH * PCRYPTHASH

PCRYPTKEY

typedef struct tagCRYPTKEY * PCRYPTKEY

PCRYPTPROV

typedef struct tagCRYPTPROV * PCRYPTPROV

PPROVFUNCS

typedef struct tagPROVFUNCS * PPROVFUNCS

PROVFUNCS

typedef struct tagPROVFUNCS PROVFUNCS

Function Documentation

CRYPT_DEShash()

unsigned char * CRYPT_DEShash	(	unsigned char *	dst,
		const unsigned char *	key,
		const unsigned char *	src
	)

Definition at line 259 of file crypt_des.c.

{
    int i;
    unsigned char K[7];
    unsigned char D[8];
 
    Permute( K, key, KeyPermuteMap, 7 );
    Permute( D, src, InitialPermuteMap, 8 );
 
    for (i = 0; i < 16; i++)
    {
        int j;
        unsigned char *L = D;
        unsigned char *R = &(D[4]);
        unsigned char  Rexp[6];
        unsigned char  Rn[4];
        unsigned char  SubK[6];
 
        KeyShiftLeft( K, KeyRotation[i] );
        Permute( SubK, K, KeyCompression, 6 );
 
        Permute( Rexp, R, DataExpansion, 6 );
        xor( Rexp, Rexp, SubK, 6 );
 
        sbox( Rn, Rexp );
        Permute( Rexp, Rn, PBox, 4 );
        xor( Rn, L, Rexp, 4 );
 
        for (j = 0; j < 4; j++)
        {
            L[j] = R[j];
            R[j] = Rn[j];
        }
    }
 
    Permute( dst, D, FinalPermuteMap, 8 );
 
    return dst;
}

Referenced by CRYPT_LMhash(), SystemFunction001(), SystemFunction003(), SystemFunction004(), SystemFunction008(), SystemFunction012(), and SystemFunction024().

CRYPT_DESunhash()

unsigned char * CRYPT_DESunhash	(	unsigned char *	dst,
		const unsigned char *	key,
		const unsigned char *	src
	)

Definition at line 299 of file crypt_des.c.

{
    int i;
    unsigned char K[7];
    unsigned char D[8];
 
    Permute( K, key, KeyPermuteMap, 7 );
    Permute( D, src, InitialPermuteMap, 8 );
 
    for (i = 0; i < 16; i++)
    {
        int j;
        unsigned char *L = D;
        unsigned char *R = &(D[4]);
        unsigned char  Rexp[6];
        unsigned char  Rn[4];
        unsigned char  SubK[6];
 
        Permute( SubK, K, KeyCompression, 6 );
 
        Permute( Rexp, R, DataExpansion, 6 );
        xor( Rexp, Rexp, SubK, 6 );
 
        sbox( Rn, Rexp );
        Permute( Rexp, Rn, PBox, 4 );
        xor( Rn, L, Rexp, 4 );
 
        for (j = 0; j < 4; j++)
        {
            L[j] = R[j];
            R[j] = Rn[j];
        }
 
        KeyShiftRight( K, KeyRotation[15 - i] );
    }
 
    Permute( dst, D, FinalPermuteMap, 8 );
 
    return dst;
}

Referenced by SystemFunction002(), SystemFunction005(), SystemFunction013(), and SystemFunction025().

SystemFunction032()

NTSTATUS WINAPI SystemFunction032	(	struct ustring *	data,
		const struct ustring *	key
	)

Definition at line 533 of file sysfunc.c.

{
    RC4_CONTEXT a4i;
 
    rc4_init(&a4i, key->Buffer, key->Length);
    rc4_crypt(&a4i, data->Buffer, data->Length);
 
    return STATUS_SUCCESS;
}

Referenced by read_credential_blob(), and write_credential_blob().