diff options
Diffstat (limited to 'netwerk/srtp/src/crypto/include/aes_cbc.h')
-rw-r--r-- | netwerk/srtp/src/crypto/include/aes_cbc.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/netwerk/srtp/src/crypto/include/aes_cbc.h b/netwerk/srtp/src/crypto/include/aes_cbc.h new file mode 100644 index 000000000..6436b5b17 --- /dev/null +++ b/netwerk/srtp/src/crypto/include/aes_cbc.h @@ -0,0 +1,85 @@ +/* + * aes_cbc.h + * + * Header for AES Cipher Blobk Chaining Mode. + * + * David A. McGrew + * Cisco Systems, Inc. + * + */ +/* + * + * Copyright (c) 2001-2006, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * Neither the name of the Cisco Systems, Inc. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#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 */ + |