mbed TLS v2.16.12
ccm.h
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1 
30 /*
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73 
74 #ifndef MBEDTLS_CCM_H
75 #define MBEDTLS_CCM_H
76 
77 #if !defined(MBEDTLS_CONFIG_FILE)
78 #include "config.h"
79 #else
80 #include MBEDTLS_CONFIG_FILE
81 #endif
82 
83 #include "cipher.h"
84 
86 #define MBEDTLS_ERR_CCM_BAD_INPUT -0x000D
88 #define MBEDTLS_ERR_CCM_AUTH_FAILED -0x000F
89 
90 /* MBEDTLS_ERR_CCM_HW_ACCEL_FAILED is deprecated and should not be used. */
92 #define MBEDTLS_ERR_CCM_HW_ACCEL_FAILED -0x0011
93 
94 #ifdef __cplusplus
95 extern "C" {
96 #endif
97 
98 #if !defined(MBEDTLS_CCM_ALT)
99 // Regular implementation
100 //
101 
106 typedef struct mbedtls_ccm_context
107 {
109 }
111 
112 #else /* MBEDTLS_CCM_ALT */
113 #include "ccm_alt.h"
114 #endif /* MBEDTLS_CCM_ALT */
115 
124 
139  mbedtls_cipher_id_t cipher,
140  const unsigned char *key,
141  unsigned int keybits );
142 
151 
189  const unsigned char *iv, size_t iv_len,
190  const unsigned char *add, size_t add_len,
191  const unsigned char *input, unsigned char *output,
192  unsigned char *tag, size_t tag_len );
193 
237  const unsigned char *iv, size_t iv_len,
238  const unsigned char *add, size_t add_len,
239  const unsigned char *input, unsigned char *output,
240  unsigned char *tag, size_t tag_len );
241 
274  const unsigned char *iv, size_t iv_len,
275  const unsigned char *add, size_t add_len,
276  const unsigned char *input, unsigned char *output,
277  const unsigned char *tag, size_t tag_len );
278 
319  const unsigned char *iv, size_t iv_len,
320  const unsigned char *add, size_t add_len,
321  const unsigned char *input, unsigned char *output,
322  const unsigned char *tag, size_t tag_len );
323 
324 #if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_AES_C)
331 int mbedtls_ccm_self_test( int verbose );
332 #endif /* MBEDTLS_SELF_TEST && MBEDTLS_AES_C */
333 
334 #ifdef __cplusplus
335 }
336 #endif
337 
338 #endif /* MBEDTLS_CCM_H */
int mbedtls_ccm_self_test(int verbose)
The CCM checkup routine.
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_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.
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_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*.
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_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.
struct mbedtls_ccm_context mbedtls_ccm_context
The CCM context-type definition. The CCM context is passed to the APIs called.
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_id_t
Supported cipher types.
Definition: cipher.h:117
Configuration options (set of defines)
The CCM context-type definition. The CCM context is passed to the APIs called.
Definition: ccm.h:107
mbedtls_cipher_context_t cipher_ctx
Definition: ccm.h:108