diff options
author | Erwin Nindl <nine@wirdorange.org> | 2007-06-22 13:59:20 +0000 |
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committer | Erwin Nindl <nine@wirdorange.org> | 2007-06-22 13:59:20 +0000 |
commit | 0275479cb56c7f562f3513fef66c83fc44d1d8c9 (patch) | |
tree | f6fbb703cebf62d18b05e2a5e7591ac08c5b6702 /srtp/crypto/include/aes_cbc.h | |
parent | satp internet draft 00 final ietf version (diff) |
added libsrtp to svn
Diffstat (limited to 'srtp/crypto/include/aes_cbc.h')
-rw-r--r-- | srtp/crypto/include/aes_cbc.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/srtp/crypto/include/aes_cbc.h b/srtp/crypto/include/aes_cbc.h new file mode 100644 index 0000000..9fb6682 --- /dev/null +++ b/srtp/crypto/include/aes_cbc.h @@ -0,0 +1,50 @@ +/* + * 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, + 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 */ + |