77 #if !defined(MBEDTLS_CONFIG_FILE) 80 #include MBEDTLS_CONFIG_FILE 85 #define MBEDTLS_ERR_CCM_BAD_INPUT -0x000D 86 #define MBEDTLS_ERR_CCM_AUTH_FAILED -0x000F 89 #define MBEDTLS_ERR_CCM_HW_ACCEL_FAILED -0x0011 95 #if !defined(MBEDTLS_CCM_ALT) 137 const unsigned char *key,
138 unsigned int keybits );
186 const unsigned char *iv,
size_t iv_len,
187 const unsigned char *add,
size_t add_len,
188 const unsigned char *input,
unsigned char *output,
189 unsigned char *tag,
size_t tag_len );
234 const unsigned char *iv,
size_t iv_len,
235 const unsigned char *add,
size_t add_len,
236 const unsigned char *input,
unsigned char *output,
237 unsigned char *tag,
size_t tag_len );
271 const unsigned char *iv,
size_t iv_len,
272 const unsigned char *add,
size_t add_len,
273 const unsigned char *input,
unsigned char *output,
274 const unsigned char *tag,
size_t tag_len );
316 const unsigned char *iv,
size_t iv_len,
317 const unsigned char *add,
size_t add_len,
318 const unsigned char *input,
unsigned char *output,
319 const unsigned char *tag,
size_t tag_len );
321 #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...
The CCM context-type definition. The CCM context is passed to the APIs called.
Configuration options (set of defines)
struct mbedtls_ccm_context mbedtls_ccm_context
The CCM context-type definition. The CCM context is passed to the APIs called.
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.
mbedtls_cipher_context_t cipher_ctx
void mbedtls_ccm_init(mbedtls_ccm_context *ctx)
This function initializes the specified CCM context, to make references valid, and prepare the contex...