/usr/include/srtp/aes_cbc.h is in libsrtp0-dev 1.4.5~20130609~dfsg-2ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | /*
* aes_cbc.h
*
* Header for AES Cipher Blobk Chaining Mode.
*
* David A. McGrew
* Cisco Systems, Inc.
*
*/
#ifndef AES_CBC_H
#define AES_CBC_H
#include "aes.h"
#include "cipher.h"
typedef struct {
v128_t state; /* cipher chaining state */
v128_t previous; /* previous ciphertext block */
aes_expanded_key_t expanded_key; /* the cipher key */
} aes_cbc_ctx_t;
err_status_t
aes_cbc_set_key(aes_cbc_ctx_t *c,
const unsigned char *key);
err_status_t
aes_cbc_encrypt(aes_cbc_ctx_t *c,
unsigned char *buf,
unsigned int *bytes_in_data);
err_status_t
aes_cbc_context_init(aes_cbc_ctx_t *c, const uint8_t *key,
int key_len, cipher_direction_t dir);
err_status_t
aes_cbc_set_iv(aes_cbc_ctx_t *c, void *iv);
err_status_t
aes_cbc_nist_encrypt(aes_cbc_ctx_t *c,
unsigned char *data,
unsigned int *bytes_in_data);
err_status_t
aes_cbc_nist_decrypt(aes_cbc_ctx_t *c,
unsigned char *data,
unsigned int *bytes_in_data);
#endif /* AES_CBC_H */
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