50 #if !defined(MBEDTLS_CONFIG_FILE)
53 #include MBEDTLS_CONFIG_FILE
58 #define MBEDTLS_ERR_CCM_BAD_INPUT -0x000D
59 #define MBEDTLS_ERR_CCM_AUTH_FAILED -0x000F
62 #define MBEDTLS_ERR_CCM_HW_ACCEL_FAILED -0x0011
68 #if !defined(MBEDTLS_CCM_ALT)
76 typedef struct mbedtls_ccm_context
110 const unsigned char *key,
111 unsigned int keybits );
159 const unsigned char *iv,
size_t iv_len,
160 const unsigned char *add,
size_t add_len,
161 const unsigned char *input,
unsigned char *output,
162 unsigned char *tag,
size_t tag_len );
207 const unsigned char *iv,
size_t iv_len,
208 const unsigned char *add,
size_t add_len,
209 const unsigned char *input,
unsigned char *output,
210 unsigned char *tag,
size_t tag_len );
244 const unsigned char *iv,
size_t iv_len,
245 const unsigned char *add,
size_t add_len,
246 const unsigned char *input,
unsigned char *output,
247 const unsigned char *tag,
size_t tag_len );
289 const unsigned char *iv,
size_t iv_len,
290 const unsigned char *add,
size_t add_len,
291 const unsigned char *input,
unsigned char *output,
292 const unsigned char *tag,
size_t tag_len );
294 #if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_AES_C)
void mbedtls_ccm_free(mbedtls_ccm_context *ctx)
This function releases and clears the specified CCM context and underlying cipher sub-context...
Configuration options (set of defines)
int mbedtls_ccm_star_encrypt_and_tag(mbedtls_ccm_context *ctx, size_t length, const unsigned char *iv, size_t iv_len, const unsigned char *add, size_t add_len, const unsigned char *input, unsigned char *output, unsigned char *tag, size_t tag_len)
This function encrypts a buffer using CCM*.
mbedtls_cipher_id_t
Supported cipher types.
int mbedtls_ccm_encrypt_and_tag(mbedtls_ccm_context *ctx, size_t length, const unsigned char *iv, size_t iv_len, const unsigned char *add, size_t add_len, const unsigned char *input, unsigned char *output, unsigned char *tag, size_t tag_len)
This function encrypts a buffer using CCM.
int mbedtls_ccm_star_auth_decrypt(mbedtls_ccm_context *ctx, size_t length, const unsigned char *iv, size_t iv_len, const unsigned char *add, size_t add_len, const unsigned char *input, unsigned char *output, const unsigned char *tag, size_t tag_len)
This function performs a CCM* authenticated decryption of a buffer.
This file contains an abstraction interface for use with the cipher primitives provided by the librar...
int mbedtls_ccm_setkey(mbedtls_ccm_context *ctx, mbedtls_cipher_id_t cipher, const unsigned char *key, unsigned int keybits)
This function initializes the CCM context set in the ctx parameter and sets the encryption key...
int mbedtls_ccm_auth_decrypt(mbedtls_ccm_context *ctx, size_t length, const unsigned char *iv, size_t iv_len, const unsigned char *add, size_t add_len, const unsigned char *input, unsigned char *output, const unsigned char *tag, size_t tag_len)
This function performs a CCM authenticated decryption of a buffer.
int mbedtls_ccm_self_test(int verbose)
The CCM checkup routine.
void mbedtls_ccm_init(mbedtls_ccm_context *ctx)
This function initializes the specified CCM context, to make references valid, and prepare the contex...