53 #ifndef MBEDTLS_CMAC_H
54 #define MBEDTLS_CMAC_H
56 #if !defined(MBEDTLS_CONFIG_FILE)
59 #include MBEDTLS_CONFIG_FILE
70 #define MBEDTLS_ERR_CMAC_HW_ACCEL_FAILED -0x007A
72 #define MBEDTLS_AES_BLOCK_SIZE 16
73 #define MBEDTLS_DES3_BLOCK_SIZE 8
75 #if defined(MBEDTLS_AES_C)
76 #define MBEDTLS_CIPHER_BLKSIZE_MAX 16
78 #define MBEDTLS_CIPHER_BLKSIZE_MAX 8
81 #if !defined(MBEDTLS_CMAC_ALT)
100 #include "cmac_alt.h"
128 const unsigned char *key,
size_t keybits );
153 const unsigned char *input,
size_t ilen );
172 unsigned char *output );
215 const unsigned char *key,
size_t keylen,
216 const unsigned char *input,
size_t ilen,
217 unsigned char *output );
219 #if defined(MBEDTLS_AES_C)
238 const unsigned char *input,
size_t in_len,
239 unsigned char output[16] );
242 #if defined(MBEDTLS_SELF_TEST) && ( defined(MBEDTLS_AES_C) || defined(MBEDTLS_DES_C) )
This file contains an abstraction interface for use with the cipher primitives provided by the librar...
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.
int mbedtls_cipher_cmac_reset(mbedtls_cipher_context_t *ctx)
This function starts a new CMAC operation with the same key as the previous one.
int mbedtls_cmac_self_test(int verbose)
The CMAC checkup routine.
int mbedtls_cipher_cmac_finish(mbedtls_cipher_context_t *ctx, unsigned char *output)
This function finishes an ongoing CMAC operation, and writes the result to the output buffer.
#define MBEDTLS_CIPHER_BLKSIZE_MAX
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_cipher_cmac_starts(mbedtls_cipher_context_t *ctx, const unsigned char *key, size_t keybits)
This function starts a new CMAC computation by setting the CMAC key, and preparing to authenticate th...
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.
Configuration options (set of defines)
unsigned char unprocessed_block[MBEDTLS_CIPHER_BLKSIZE_MAX]
unsigned char state[MBEDTLS_CIPHER_BLKSIZE_MAX]