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 * [email protected].
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 "../aes/internal.h"
54 #include "../modes/internal.h"
55 #include "../service_indicator/internal.h"
56
57
AES_ctr128_encrypt(const uint8_t * in,uint8_t * out,size_t len,const AES_KEY * key,uint8_t ivec[AES_BLOCK_SIZE],uint8_t ecount_buf[AES_BLOCK_SIZE],unsigned int * num)58 void AES_ctr128_encrypt(const uint8_t *in, uint8_t *out, size_t len,
59 const AES_KEY *key, uint8_t ivec[AES_BLOCK_SIZE],
60 uint8_t ecount_buf[AES_BLOCK_SIZE], unsigned int *num) {
61 if (hwaes_capable()) {
62 CRYPTO_ctr128_encrypt_ctr32(in, out, len, key, ivec, ecount_buf, num,
63 aes_hw_ctr32_encrypt_blocks);
64 } else if (vpaes_capable()) {
65 #if defined(VPAES_CTR32)
66 // TODO(davidben): On ARM, where |BSAES| is additionally defined, this could
67 // use |vpaes_ctr32_encrypt_blocks_with_bsaes|.
68 CRYPTO_ctr128_encrypt_ctr32(in, out, len, key, ivec, ecount_buf, num,
69 vpaes_ctr32_encrypt_blocks);
70 #else
71 CRYPTO_ctr128_encrypt(in, out, len, key, ivec, ecount_buf, num,
72 vpaes_encrypt);
73 #endif
74 } else {
75 CRYPTO_ctr128_encrypt_ctr32(in, out, len, key, ivec, ecount_buf, num,
76 aes_nohw_ctr32_encrypt_blocks);
77 }
78
79 FIPS_service_indicator_update_state();
80 }
81
AES_ecb_encrypt(const uint8_t * in,uint8_t * out,const AES_KEY * key,const int enc)82 void AES_ecb_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key,
83 const int enc) {
84 assert(in && out && key);
85 assert((AES_ENCRYPT == enc) || (AES_DECRYPT == enc));
86
87 if (AES_ENCRYPT == enc) {
88 AES_encrypt(in, out, key);
89 } else {
90 AES_decrypt(in, out, key);
91 }
92
93 FIPS_service_indicator_update_state();
94 }
95
AES_cbc_encrypt(const uint8_t * in,uint8_t * out,size_t len,const AES_KEY * key,uint8_t * ivec,const int enc)96 void AES_cbc_encrypt(const uint8_t *in, uint8_t *out, size_t len,
97 const AES_KEY *key, uint8_t *ivec, const int enc) {
98 if (hwaes_capable()) {
99 aes_hw_cbc_encrypt(in, out, len, key, ivec, enc);
100 } else if (!vpaes_capable()) {
101 aes_nohw_cbc_encrypt(in, out, len, key, ivec, enc);
102 } else if (enc) {
103 CRYPTO_cbc128_encrypt(in, out, len, key, ivec, AES_encrypt);
104 } else {
105 CRYPTO_cbc128_decrypt(in, out, len, key, ivec, AES_decrypt);
106 }
107
108 FIPS_service_indicator_update_state();
109 }
110
AES_ofb128_encrypt(const uint8_t * in,uint8_t * out,size_t length,const AES_KEY * key,uint8_t * ivec,int * num)111 void AES_ofb128_encrypt(const uint8_t *in, uint8_t *out, size_t length,
112 const AES_KEY *key, uint8_t *ivec, int *num) {
113 unsigned num_u = (unsigned)(*num);
114 CRYPTO_ofb128_encrypt(in, out, length, key, ivec, &num_u, AES_encrypt);
115 *num = (int)num_u;
116 }
117
AES_cfb128_encrypt(const uint8_t * in,uint8_t * out,size_t length,const AES_KEY * key,uint8_t * ivec,int * num,int enc)118 void AES_cfb128_encrypt(const uint8_t *in, uint8_t *out, size_t length,
119 const AES_KEY *key, uint8_t *ivec, int *num,
120 int enc) {
121 unsigned num_u = (unsigned)(*num);
122 CRYPTO_cfb128_encrypt(in, out, length, key, ivec, &num_u, enc, AES_encrypt);
123 *num = (int)num_u;
124 }
125