28 #ifndef MBEDTLS_CMAC_H
29 #define MBEDTLS_CMAC_H
31 #if !defined(MBEDTLS_CONFIG_FILE)
34 #include MBEDTLS_CONFIG_FILE
44 #define MBEDTLS_ERR_CMAC_HW_ACCEL_FAILED -0x007A
46 #define MBEDTLS_AES_BLOCK_SIZE 16
47 #define MBEDTLS_DES3_BLOCK_SIZE 8
49 #if defined(MBEDTLS_AES_C)
50 #define MBEDTLS_CIPHER_BLKSIZE_MAX 16
52 #define MBEDTLS_CIPHER_BLKSIZE_MAX 8
55 #if !defined(MBEDTLS_CMAC_ALT)
94 const unsigned char *key,
size_t keybits );
113 const unsigned char *input,
size_t ilen );
131 unsigned char *output );
172 const unsigned char *key,
size_t keylen,
173 const unsigned char *input,
size_t ilen,
174 unsigned char *output );
176 #if defined(MBEDTLS_AES_C)
195 const unsigned char *input,
size_t in_len,
196 unsigned char output[16] );
199 #if defined(MBEDTLS_SELF_TEST) && ( defined(MBEDTLS_AES_C) || defined(MBEDTLS_DES_C) )
#define MBEDTLS_CIPHER_BLKSIZE_MAX
int mbedtls_cipher_cmac_reset(mbedtls_cipher_context_t *ctx)
This function prepares the authentication of another message with the same key as the previous CMAC o...
int mbedtls_cipher_cmac_starts(mbedtls_cipher_context_t *ctx, const unsigned char *key, size_t keybits)
This function sets the CMAC key, and prepares to authenticate the input data. Must be called with an ...
Configuration options (set of defines)
int mbedtls_aes_cmac_prf_128(const unsigned char *key, size_t key_len, const unsigned char *input, size_t in_len, unsigned char output[16])
This function implements the AES-CMAC-PRF-128 pseudorandom function, as defined in RFC-4615: The Adva...
unsigned char state[MBEDTLS_CIPHER_BLKSIZE_MAX]
This file contains an abstraction interface for use with the cipher primitives provided by the librar...
unsigned char unprocessed_block[MBEDTLS_CIPHER_BLKSIZE_MAX]
int mbedtls_cipher_cmac(const mbedtls_cipher_info_t *cipher_info, const unsigned char *key, size_t keylen, const unsigned char *input, size_t ilen, unsigned char *output)
This function calculates the full generic CMAC on the input buffer with the provided key...
int mbedtls_cipher_cmac_finish(mbedtls_cipher_context_t *ctx, unsigned char *output)
This function finishes the CMAC operation, and writes the result to the output buffer.
int mbedtls_cmac_self_test(int verbose)
The CMAC checkup routine.
int mbedtls_cipher_cmac_update(mbedtls_cipher_context_t *ctx, const unsigned char *input, size_t ilen)
This function feeds an input buffer into an ongoing CMAC computation.