mbed TLS v2.0.0
ccm.h
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1 
24 #ifndef MBEDTLS_CCM_H
25 #define MBEDTLS_CCM_H
26 
27 #include "cipher.h"
28 
29 #define MBEDTLS_ERR_CCM_BAD_INPUT -0x000D
30 #define MBEDTLS_ERR_CCM_AUTH_FAILED -0x000F
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35 
39 typedef struct {
41 }
43 
52 
64  mbedtls_cipher_id_t cipher,
65  const unsigned char *key,
66  unsigned int keybits );
67 
74 
100 int mbedtls_ccm_encrypt_and_tag( mbedtls_ccm_context *ctx, size_t length,
101  const unsigned char *iv, size_t iv_len,
102  const unsigned char *add, size_t add_len,
103  const unsigned char *input, unsigned char *output,
104  unsigned char *tag, size_t tag_len );
105 
123 int mbedtls_ccm_auth_decrypt( mbedtls_ccm_context *ctx, size_t length,
124  const unsigned char *iv, size_t iv_len,
125  const unsigned char *add, size_t add_len,
126  const unsigned char *input, unsigned char *output,
127  const unsigned char *tag, size_t tag_len );
128 
129 #if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_AES_C)
130 
135 int mbedtls_ccm_self_test( int verbose );
136 #endif /* MBEDTLS_SELF_TEST && MBEDTLS_AES_C */
137 
138 #ifdef __cplusplus
139 }
140 #endif
141 
142 #endif /* MBEDTLS_CCM_H */
void mbedtls_ccm_free(mbedtls_ccm_context *ctx)
Free a CCM context and underlying cipher sub-context.
CCM context structure.
Definition: ccm.h:39
Generic cipher context.
Definition: cipher.h:213
mbedtls_cipher_id_t
Definition: cipher.h:68
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.
Generic cipher wrapper.
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
Definition: ccm.h:40
void mbedtls_ccm_init(mbedtls_ccm_context *ctx)
Initialize CCM context (just makes references valid) Makes the context ready for mbedtls_ccm_setkey()...