1/* ====================================================================
2 * Copyright (c) 2002-2006 The OpenSSL Project.  All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in
13 *    the documentation and/or other materials provided with the
14 *    distribution.
15 *
16 * 3. All advertising materials mentioning features or use of this
17 *    software must display the following acknowledgment:
18 *    "This product includes software developed by the OpenSSL Project
19 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
20 *
21 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
22 *    endorse or promote products derived from this software without
23 *    prior written permission. For written permission, please contact
24 *    openssl-core@openssl.org.
25 *
26 * 5. Products derived from this software may not be called "OpenSSL"
27 *    nor may "OpenSSL" appear in their names without prior written
28 *    permission of the OpenSSL Project.
29 *
30 * 6. Redistributions of any form whatsoever must retain the following
31 *    acknowledgment:
32 *    "This product includes software developed by the OpenSSL Project
33 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
34 *
35 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
36 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
37 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
38 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
41 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
42 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
43 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
44 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
45 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
46 * OF THE POSSIBILITY OF SUCH DAMAGE.
47 * ==================================================================== */
48
49#include <openssl/aes.h>
50
51#include "assert.h"
52
53#include <openssl/modes.h>
54
55
56void AES_ctr128_encrypt(const uint8_t *in, uint8_t *out, size_t len,
57                        const AES_KEY *key, uint8_t ivec[AES_BLOCK_SIZE],
58                        uint8_t ecount_buf[AES_BLOCK_SIZE], unsigned int *num) {
59  CRYPTO_ctr128_encrypt(in, out, len, key, ivec, ecount_buf, num,
60                        (block128_f)AES_encrypt);
61}
62
63void AES_ecb_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key,
64                     const int enc) {
65  assert(in && out && key);
66  assert((AES_ENCRYPT == enc) || (AES_DECRYPT == enc));
67
68  if (AES_ENCRYPT == enc) {
69    AES_encrypt(in, out, key);
70  } else {
71    AES_decrypt(in, out, key);
72  }
73}
74
75#if defined(OPENSSL_NO_ASM) || \
76    (!defined(OPENSSL_X86_64) && !defined(OPENSSL_X86))
77void AES_cbc_encrypt(const uint8_t *in, uint8_t *out, size_t len,
78                     const AES_KEY *key, uint8_t *ivec, const int enc) {
79
80  if (enc) {
81    CRYPTO_cbc128_encrypt(in, out, len, key, ivec, (block128_f)AES_encrypt);
82  } else {
83    CRYPTO_cbc128_decrypt(in, out, len, key, ivec, (block128_f)AES_decrypt);
84  }
85}
86#else
87
88void asm_AES_cbc_encrypt(const uint8_t *in, uint8_t *out, size_t len,
89                         const AES_KEY *key, uint8_t *ivec, const int enc);
90void AES_cbc_encrypt(const uint8_t *in, uint8_t *out, size_t len,
91                     const AES_KEY *key, uint8_t *ivec, const int enc) {
92  asm_AES_cbc_encrypt(in, out, len, key, ivec, enc);
93}
94
95#endif  /* OPENSSL_NO_ASM || (!OPENSSL_X86_64 && !OPENSSL_X86) */
96
97void AES_ofb128_encrypt(const uint8_t *in, uint8_t *out, size_t length,
98                        const AES_KEY *key, uint8_t *ivec, int *num) {
99  CRYPTO_ofb128_encrypt(in, out, length, key, ivec, num,
100                        (block128_f)AES_encrypt);
101}
102
103void AES_cfb128_encrypt(const uint8_t *in, uint8_t *out, size_t length,
104                        const AES_KEY *key, uint8_t *ivec, int *num,
105                        int enc) {
106  CRYPTO_cfb128_encrypt(in, out, length, key, ivec, num, enc,
107                        (block128_f)AES_encrypt);
108}
109