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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) )
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 ...
unsigned char state[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.
#define MBEDTLS_CIPHER_BLKSIZE_MAX
unsigned char unprocessed_block[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_finish(mbedtls_cipher_context_t *ctx, unsigned char *output)
This function finishes the CMAC operation, and writes the result to the output buffer.
This file contains an abstraction interface for use with the cipher primitives provided by the librar...
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...
int mbedtls_cmac_self_test(int verbose)
The CMAC checkup routine.
Configuration options (set of defines)
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.