54 #ifndef MBEDTLS_CIPHER_H 55 #define MBEDTLS_CIPHER_H 57 #if !defined(MBEDTLS_CONFIG_FILE) 60 #include MBEDTLS_CONFIG_FILE 66 #if defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CCM_C) || defined(MBEDTLS_CHACHAPOLY_C) 67 #define MBEDTLS_CIPHER_MODE_AEAD 70 #if defined(MBEDTLS_CIPHER_MODE_CBC) 71 #define MBEDTLS_CIPHER_MODE_WITH_PADDING 74 #if defined(MBEDTLS_ARC4_C) || defined(MBEDTLS_CIPHER_NULL_CIPHER) || \ 75 defined(MBEDTLS_CHACHA20_C) 76 #define MBEDTLS_CIPHER_MODE_STREAM 79 #if ( defined(__ARMCC_VERSION) || defined(_MSC_VER) ) && \ 80 !defined(inline) && !defined(__cplusplus) 81 #define inline __inline 84 #define MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE -0x6080 85 #define MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA -0x6100 86 #define MBEDTLS_ERR_CIPHER_ALLOC_FAILED -0x6180 87 #define MBEDTLS_ERR_CIPHER_INVALID_PADDING -0x6200 88 #define MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED -0x6280 89 #define MBEDTLS_ERR_CIPHER_AUTH_FAILED -0x6300 90 #define MBEDTLS_ERR_CIPHER_INVALID_CONTEXT -0x6380 93 #define MBEDTLS_ERR_CIPHER_HW_ACCEL_FAILED -0x6400 95 #define MBEDTLS_CIPHER_VARIABLE_IV_LEN 0x01 96 #define MBEDTLS_CIPHER_VARIABLE_KEY_LEN 0x02 249 #define MBEDTLS_MAX_IV_LENGTH 16 251 #define MBEDTLS_MAX_BLOCK_LENGTH 16 322 #if defined(MBEDTLS_CIPHER_MODE_WITH_PADDING) 346 #if defined(MBEDTLS_CMAC_C) 459 return ctx->cipher_info->block_size;
478 return ctx->cipher_info->mode;
498 if(
ctx->iv_size != 0 )
499 return (
int)
ctx->iv_size;
501 return (
int)
ctx->cipher_info->iv_size;
520 return ctx->cipher_info->type;
539 return ctx->cipher_info->name;
559 return (
int)
ctx->cipher_info->key_bitlen;
578 return ctx->operation;
598 const unsigned char *
key,
602 #if defined(MBEDTLS_CIPHER_MODE_WITH_PADDING) 642 const unsigned char *iv,
656 #if defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CHACHAPOLY_C) 672 const unsigned char *ad,
size_t ad_len );
710 size_t ilen,
unsigned char *output,
size_t *olen );
735 unsigned char *output,
size_t *olen );
737 #if defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CHACHAPOLY_C) 755 unsigned char *
tag,
size_t tag_len );
771 const unsigned char *
tag,
size_t tag_len );
808 const unsigned char *iv,
size_t iv_len,
809 const unsigned char *
input,
size_t ilen,
810 unsigned char *output,
size_t *olen );
812 #if defined(MBEDTLS_CIPHER_MODE_AEAD) 844 const unsigned char *iv,
size_t iv_len,
845 const unsigned char *ad,
size_t ad_len,
846 const unsigned char *
input,
size_t ilen,
847 unsigned char *output,
size_t *olen,
848 unsigned char *
tag,
size_t tag_len );
886 const unsigned char *iv,
size_t iv_len,
887 const unsigned char *ad,
size_t ad_len,
888 const unsigned char *
input,
size_t ilen,
889 unsigned char *output,
size_t *olen,
890 const unsigned char *
tag,
size_t tag_len );
unsigned char unprocessed_data[MBEDTLS_MAX_BLOCK_LENGTH]
struct png_info_def **typedef void(__cdecl typeof(png_destroy_read_struct))(struct png_struct_def **
static mbedtls_cipher_mode_t mbedtls_cipher_get_cipher_mode(const mbedtls_cipher_context_t *ctx)
This function returns the mode of operation for the cipher. For example, MBEDTLS_MODE_CBC.
static unsigned int mbedtls_cipher_get_block_size(const mbedtls_cipher_context_t *ctx)
This function returns the block size of the given cipher.
const mbedtls_cipher_info_t * mbedtls_cipher_info_from_string(const char *cipher_name)
This function retrieves the cipher-information structure associated with the given cipher name.
int mbedtls_cipher_finish(mbedtls_cipher_context_t *ctx, unsigned char *output, size_t *olen)
The generic cipher finalization function. If data still needs to be flushed from an incomplete block,...
void(* add_padding)(unsigned char *output, size_t olen, size_t data_len)
int mbedtls_cipher_reset(mbedtls_cipher_context_t *ctx)
This function resets the cipher state.
static const char * mbedtls_cipher_get_name(const mbedtls_cipher_context_t *ctx)
This function returns the name of the given cipher as a string.
int mbedtls_cipher_set_iv(mbedtls_cipher_context_t *ctx, const unsigned char *iv, size_t iv_len)
This function sets the initialization vector (IV) or nonce.
int mbedtls_cipher_set_padding_mode(mbedtls_cipher_context_t *ctx, mbedtls_cipher_padding_t mode)
This function sets the padding mode, for cipher modes that use padding.
mbedtls_cipher_mode_t mode
int mbedtls_cipher_update(mbedtls_cipher_context_t *ctx, const unsigned char *input, size_t ilen, unsigned char *output, size_t *olen)
The generic cipher update function. It encrypts or decrypts using the given cipher context....
void mbedtls_cipher_free(mbedtls_cipher_context_t *ctx)
This function frees and clears the cipher-specific context of ctx. Freeing ctx itself remains the res...
static mbedtls_operation_t mbedtls_cipher_get_operation(const mbedtls_cipher_context_t *ctx)
This function returns the operation of the given cipher.
const int * mbedtls_cipher_list(void)
This function retrieves the list of ciphers supported by the generic cipher module.
static int mbedtls_cipher_get_key_bitlen(const mbedtls_cipher_context_t *ctx)
This function returns the key length of the cipher.
mbedtls_cipher_type_t
Supported {cipher type, cipher mode} pairs.
struct mbedtls_cipher_info_t mbedtls_cipher_info_t
const mbedtls_cipher_info_t * cipher_info
const mbedtls_cipher_info_t * mbedtls_cipher_info_from_values(const mbedtls_cipher_id_t cipher_id, int key_bitlen, const mbedtls_cipher_mode_t mode)
This function retrieves the cipher-information structure associated with the given cipher ID,...
static mbedtls_cipher_type_t mbedtls_cipher_get_type(const mbedtls_cipher_context_t *ctx)
This function returns the type of the given cipher.
int(* get_padding)(unsigned char *input, size_t ilen, size_t *data_len)
mbedtls_operation_t operation
mbedtls_cipher_id_t
Supported cipher types.
unsigned char iv[MBEDTLS_MAX_IV_LENGTH]
int mbedtls_cipher_setkey(mbedtls_cipher_context_t *ctx, const unsigned char *key, int key_bitlen, const mbedtls_operation_t operation)
This function sets the key to use with the given context.
#define MBEDTLS_MAX_IV_LENGTH
int mbedtls_cipher_auth_decrypt(mbedtls_cipher_context_t *ctx, const unsigned char *iv, size_t iv_len, const unsigned char *ad, size_t ad_len, const unsigned char *input, size_t ilen, unsigned char *output, size_t *olen, const unsigned char *tag, size_t tag_len)
The generic autenticated decryption (AEAD) function.
int mbedtls_cipher_auth_encrypt(mbedtls_cipher_context_t *ctx, const unsigned char *iv, size_t iv_len, const unsigned char *ad, size_t ad_len, const unsigned char *input, size_t ilen, unsigned char *output, size_t *olen, unsigned char *tag, size_t tag_len)
The generic autenticated encryption (AEAD) function.
int mbedtls_cipher_crypt(mbedtls_cipher_context_t *ctx, const unsigned char *iv, size_t iv_len, const unsigned char *input, size_t ilen, unsigned char *output, size_t *olen)
The generic all-in-one encryption/decryption function, for all ciphers except AEAD constructs.
GLenum GLenum GLenum input
void mbedtls_cipher_init(mbedtls_cipher_context_t *ctx)
This function initializes a cipher_context as NONE.
int mbedtls_cipher_update_ad(mbedtls_cipher_context_t *ctx, const unsigned char *ad, size_t ad_len)
This function adds additional data for AEAD ciphers. Currently supported with GCM and ChaCha20+Poly13...
int mbedtls_cipher_setup(mbedtls_cipher_context_t *ctx, const mbedtls_cipher_info_t *cipher_info)
This function initializes and fills the cipher-context structure with the appropriate values....
int mbedtls_cipher_check_tag(mbedtls_cipher_context_t *ctx, const unsigned char *tag, size_t tag_len)
This function checks the tag for AEAD ciphers. Currently supported with GCM and ChaCha20+Poly1305....
static int mbedtls_cipher_get_iv_size(const mbedtls_cipher_context_t *ctx)
This function returns the size of the IV or nonce of the cipher, in Bytes.
struct mbedtls_cipher_context_t mbedtls_cipher_context_t
int mbedtls_cipher_write_tag(mbedtls_cipher_context_t *ctx, unsigned char *tag, size_t tag_len)
This function writes a tag for AEAD ciphers. Currently supported with GCM and ChaCha20+Poly1305....
#define MBEDTLS_MAX_BLOCK_LENGTH
mbedtls_cipher_type_t type
const mbedtls_cipher_info_t * mbedtls_cipher_info_from_type(const mbedtls_cipher_type_t cipher_type)
This function retrieves the cipher-information structure associated with the given cipher type.
const mbedtls_cipher_base_t * base
unsigned int(__cdecl typeof(jpeg_read_scanlines))(struct jpeg_decompress_struct *