aes_ctr.c revision 302408
1164190Sjkoshy/* crypto/aes/aes_ctr.c */
2164190Sjkoshy/* ====================================================================
3164190Sjkoshy * Copyright (c) 1998-2002 The OpenSSL Project.  All rights reserved.
4164190Sjkoshy *
5164190Sjkoshy * Redistribution and use in source and binary forms, with or without
6164190Sjkoshy * modification, are permitted provided that the following conditions
7164190Sjkoshy * are met:
8164190Sjkoshy *
9164190Sjkoshy * 1. Redistributions of source code must retain the above copyright
10164190Sjkoshy *    notice, this list of conditions and the following disclaimer.
11164190Sjkoshy *
12164190Sjkoshy * 2. Redistributions in binary form must reproduce the above copyright
13164190Sjkoshy *    notice, this list of conditions and the following disclaimer in
14164190Sjkoshy *    the documentation and/or other materials provided with the
15164190Sjkoshy *    distribution.
16164190Sjkoshy *
17164190Sjkoshy * 3. All advertising materials mentioning features or use of this
18164190Sjkoshy *    software must display the following acknowledgment:
19164190Sjkoshy *    "This product includes software developed by the OpenSSL Project
20164190Sjkoshy *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21164190Sjkoshy *
22164190Sjkoshy * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23164190Sjkoshy *    endorse or promote products derived from this software without
24164190Sjkoshy *    prior written permission. For written permission, please contact
25164190Sjkoshy *    openssl-core@openssl.org.
26164190Sjkoshy *
27206622Suqs * 5. Products derived from this software may not be called "OpenSSL"
28164190Sjkoshy *    nor may "OpenSSL" appear in their names without prior written
29164190Sjkoshy *    permission of the OpenSSL Project.
30164190Sjkoshy *
31164190Sjkoshy * 6. Redistributions of any form whatsoever must retain the following
32164190Sjkoshy *    acknowledgment:
33164190Sjkoshy *    "This product includes software developed by the OpenSSL Project
34164190Sjkoshy *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35164190Sjkoshy *
36164190Sjkoshy * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37164190Sjkoshy * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38164190Sjkoshy * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39164190Sjkoshy * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
40164190Sjkoshy * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41164190Sjkoshy * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42164190Sjkoshy * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43164190Sjkoshy * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44164190Sjkoshy * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45164190Sjkoshy * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46164190Sjkoshy * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47164190Sjkoshy * OF THE POSSIBILITY OF SUCH DAMAGE.
48164190Sjkoshy * ====================================================================
49164190Sjkoshy *
50164190Sjkoshy */
51164190Sjkoshy
52164190Sjkoshy#include <openssl/aes.h>
53164190Sjkoshy#include <openssl/modes.h>
54164190Sjkoshy
55164190Sjkoshyvoid AES_ctr128_encrypt(const unsigned char *in, unsigned char *out,
56164190Sjkoshy                        size_t length, const AES_KEY *key,
57164190Sjkoshy                        unsigned char ivec[AES_BLOCK_SIZE],
58164190Sjkoshy                        unsigned char ecount_buf[AES_BLOCK_SIZE],
59164190Sjkoshy                        unsigned int *num)
60164190Sjkoshy{
61164190Sjkoshy    CRYPTO_ctr128_encrypt(in, out, length, key, ivec, ecount_buf, num,
62164190Sjkoshy                          (block128_f) AES_encrypt);
63164190Sjkoshy}
64164190Sjkoshy