28 #define MBEDTLS_ERR_CCM_BAD_INPUT -0x000D 29 #define MBEDTLS_ERR_CCM_AUTH_FAILED -0x000F 64 const unsigned char *key,
65 unsigned int keybits );
100 const unsigned char *iv,
size_t iv_len,
101 const unsigned char *add,
size_t add_len,
102 const unsigned char *input,
unsigned char *output,
103 unsigned char *tag,
size_t tag_len );
123 const unsigned char *iv,
size_t iv_len,
124 const unsigned char *add,
size_t add_len,
125 const unsigned char *input,
unsigned char *output,
126 const unsigned char *tag,
size_t tag_len );
128 #if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_AES_C) void mbedtls_ccm_free(mbedtls_ccm_context *ctx)
Free a CCM context and underlying cipher sub-context.
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)
CCM buffer encryption.
int mbedtls_ccm_setkey(mbedtls_ccm_context *ctx, mbedtls_cipher_id_t cipher, const unsigned char *key, unsigned int keybits)
CCM initialization (encryption and decryption)
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)
CCM buffer authenticated decryption.
int mbedtls_ccm_self_test(int verbose)
Checkup routine.
mbedtls_cipher_context_t cipher_ctx
void mbedtls_ccm_init(mbedtls_ccm_context *ctx)
Initialize CCM context (just makes references valid) Makes the context ready for mbedtls_ccm_setkey()...