/* * 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_taes_cbc_set_key(aes_cbc_ctx_t *c,		const unsigned char *key); err_status_taes_cbc_encrypt(aes_cbc_ctx_t *c, 		unsigned char *buf, 		unsigned int  *bytes_in_data);err_status_taes_cbc_context_init(aes_cbc_ctx_t *c, const uint8_t *key, 		     cipher_direction_t dir);err_status_taes_cbc_set_iv(aes_cbc_ctx_t *c, void *iv);err_status_taes_cbc_nist_encrypt(aes_cbc_ctx_t *c,		     unsigned char *data, 		     unsigned int *bytes_in_data);err_status_taes_cbc_nist_decrypt(aes_cbc_ctx_t *c,		     unsigned char *data, 		     unsigned int *bytes_in_data);#endif /* AES_CBC_H */