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52 #if !defined(MBEDTLS_CONFIG_FILE)
55 #include MBEDTLS_CONFIG_FILE
60 #define MBEDTLS_ERR_CCM_BAD_INPUT -0x000D
61 #define MBEDTLS_ERR_CCM_AUTH_FAILED -0x000F
64 #define MBEDTLS_ERR_CCM_HW_ACCEL_FAILED -0x0011
70 #if !defined(MBEDTLS_CCM_ALT)
112 const unsigned char *key,
113 unsigned int keybits );
161 const unsigned char *iv,
size_t iv_len,
162 const unsigned char *add,
size_t add_len,
163 const unsigned char *input,
unsigned char *output,
164 unsigned char *tag,
size_t tag_len );
209 const unsigned char *iv,
size_t iv_len,
210 const unsigned char *add,
size_t add_len,
211 const unsigned char *input,
unsigned char *output,
212 unsigned char *tag,
size_t tag_len );
246 const unsigned char *iv,
size_t iv_len,
247 const unsigned char *add,
size_t add_len,
248 const unsigned char *input,
unsigned char *output,
249 const unsigned char *tag,
size_t tag_len );
291 const unsigned char *iv,
size_t iv_len,
292 const unsigned char *add,
size_t add_len,
293 const unsigned char *input,
unsigned char *output,
294 const unsigned char *tag,
size_t tag_len );
296 #if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_AES_C)
The CCM context-type definition. The CCM context is passed to the APIs called.
mbedtls_cipher_id_t
Supported cipher types.
int mbedtls_ccm_self_test(int verbose)
The CCM checkup routine.
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.
void mbedtls_ccm_init(mbedtls_ccm_context *ctx)
This function initializes the specified CCM context, to make references valid, and prepare the contex...
This file contains an abstraction interface for use with the cipher primitives provided by the librar...
mbedtls_cipher_context_t cipher_ctx
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.
struct mbedtls_ccm_context mbedtls_ccm_context
The CCM context-type definition. The CCM context is passed to the APIs called.
void mbedtls_ccm_free(mbedtls_ccm_context *ctx)
This function releases and clears the specified CCM context and underlying cipher sub-context.
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_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*.
Configuration options (set of defines)