source: asp3_tinet_ecnl_arm/trunk/wolfssl-3.12.2/wolfcrypt/src/wc_encrypt.c@ 352

Last change on this file since 352 was 352, checked in by coas-nagasima, 6 years ago

arm向けASP3版ECNLを追加
  • Property svn:eol-style set to native
  • Property svn:mime-type set to text/x-csrc;charset=UTF-8
File size: 5.4 KB
Line 
1/* wc_encrypt.c
2 *
3 * Copyright (C) 2006-2017 wolfSSL Inc.
4 *
5 * This file is part of wolfSSL.
6 *
7 * wolfSSL is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * wolfSSL is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
20 */
21
22
23#ifdef HAVE_CONFIG_H
24 #include <config.h>
25#endif
26
27#include <wolfssl/wolfcrypt/settings.h>
28#include <wolfssl/wolfcrypt/aes.h>
29#include <wolfssl/wolfcrypt/des3.h>
30#include <wolfssl/wolfcrypt/wc_encrypt.h>
31#include <wolfssl/wolfcrypt/error-crypt.h>
32
33
34#if !defined(NO_AES) && defined(HAVE_AES_CBC)
35#ifdef HAVE_AES_DECRYPT
36int wc_AesCbcDecryptWithKey(byte* out, const byte* in, word32 inSz,
37 const byte* key, word32 keySz, const byte* iv)
38{
39 int ret = 0;
40#ifdef WOLFSSL_SMALL_STACK
41 Aes* aes = NULL;
42#else
43 Aes aes[1];
44#endif
45
46 if (out == NULL || in == NULL || key == NULL || iv == NULL) {
47 return BAD_FUNC_ARG;
48 }
49
50#ifdef WOLFSSL_SMALL_STACK
51 aes = (Aes*)XMALLOC(sizeof(Aes), NULL, DYNAMIC_TYPE_TMP_BUFFER);
52 if (aes == NULL)
53 return MEMORY_E;
54#endif
55
56 ret = wc_AesInit(aes, NULL, INVALID_DEVID);
57 if (ret == 0) {
58 ret = wc_AesSetKey(aes, key, keySz, iv, AES_DECRYPTION);
59 if (ret == 0)
60 ret = wc_AesCbcDecrypt(aes, out, in, inSz);
61
62 wc_AesFree(aes);
63 }
64
65#ifdef WOLFSSL_SMALL_STACK
66 XFREE(aes, NULL, DYNAMIC_TYPE_TMP_BUFFER);
67#endif
68
69 return ret;
70}
71#endif /* HAVE_AES_DECRYPT */
72
73int wc_AesCbcEncryptWithKey(byte* out, const byte* in, word32 inSz,
74 const byte* key, word32 keySz, const byte* iv)
75{
76 int ret = 0;
77#ifdef WOLFSSL_SMALL_STACK
78 Aes* aes = NULL;
79#else
80 Aes aes[1];
81#endif
82
83#ifdef WOLFSSL_SMALL_STACK
84 aes = (Aes*)XMALLOC(sizeof(Aes), NULL, DYNAMIC_TYPE_TMP_BUFFER);
85 if (aes == NULL)
86 return MEMORY_E;
87#endif
88
89 ret = wc_AesInit(aes, NULL, INVALID_DEVID);
90 if (ret == 0) {
91 ret = wc_AesSetKey(aes, key, keySz, iv, AES_ENCRYPTION);
92 if (ret == 0)
93 ret = wc_AesCbcEncrypt(aes, out, in, inSz);
94
95 wc_AesFree(aes);
96 }
97
98#ifdef WOLFSSL_SMALL_STACK
99 XFREE(aes, NULL, DYNAMIC_TYPE_TMP_BUFFER);
100#endif
101
102 return ret;
103}
104#endif /* !NO_AES && HAVE_AES_CBC */
105
106
107#ifndef NO_DES3
108int wc_Des_CbcEncryptWithKey(byte* out, const byte* in, word32 sz,
109 const byte* key, const byte* iv)
110{
111 int ret = 0;
112#ifdef WOLFSSL_SMALL_STACK
113 Des* des = NULL;
114#else
115 Des des[1];
116#endif
117
118#ifdef WOLFSSL_SMALL_STACK
119 des = (Des*)XMALLOC(sizeof(Des), NULL, DYNAMIC_TYPE_TMP_BUFFER);
120 if (des == NULL)
121 return MEMORY_E;
122#endif
123
124 ret = wc_Des_SetKey(des, key, iv, DES_ENCRYPTION);
125 if (ret == 0)
126 ret = wc_Des_CbcEncrypt(des, out, in, sz);
127
128#ifdef WOLFSSL_SMALL_STACK
129 XFREE(des, NULL, DYNAMIC_TYPE_TMP_BUFFER);
130#endif
131
132 return ret;
133}
134
135int wc_Des_CbcDecryptWithKey(byte* out, const byte* in, word32 sz,
136 const byte* key, const byte* iv)
137{
138 int ret = 0;
139#ifdef WOLFSSL_SMALL_STACK
140 Des* des = NULL;
141#else
142 Des des[1];
143#endif
144
145#ifdef WOLFSSL_SMALL_STACK
146 des = (Des*)XMALLOC(sizeof(Des), NULL, DYNAMIC_TYPE_TMP_BUFFER);
147 if (des == NULL)
148 return MEMORY_E;
149#endif
150
151 ret = wc_Des_SetKey(des, key, iv, DES_DECRYPTION);
152 if (ret == 0)
153 ret = wc_Des_CbcDecrypt(des, out, in, sz);
154
155#ifdef WOLFSSL_SMALL_STACK
156 XFREE(des, NULL, DYNAMIC_TYPE_TMP_BUFFER);
157#endif
158
159 return ret;
160}
161
162
163int wc_Des3_CbcEncryptWithKey(byte* out, const byte* in, word32 sz,
164 const byte* key, const byte* iv)
165{
166 int ret = 0;
167#ifdef WOLFSSL_SMALL_STACK
168 Des3* des3 = NULL;
169#else
170 Des3 des3[1];
171#endif
172
173#ifdef WOLFSSL_SMALL_STACK
174 des3 = (Des3*)XMALLOC(sizeof(Des3), NULL, DYNAMIC_TYPE_TMP_BUFFER);
175 if (des3 == NULL)
176 return MEMORY_E;
177#endif
178
179 ret = wc_Des3Init(des3, NULL, INVALID_DEVID);
180 if (ret == 0) {
181 ret = wc_Des3_SetKey(des3, key, iv, DES_ENCRYPTION);
182 if (ret == 0)
183 ret = wc_Des3_CbcEncrypt(des3, out, in, sz);
184 wc_Des3Free(des3);
185 }
186
187#ifdef WOLFSSL_SMALL_STACK
188 XFREE(des3, NULL, DYNAMIC_TYPE_TMP_BUFFER);
189#endif
190
191 return ret;
192}
193
194
195int wc_Des3_CbcDecryptWithKey(byte* out, const byte* in, word32 sz,
196 const byte* key, const byte* iv)
197{
198 int ret = 0;
199#ifdef WOLFSSL_SMALL_STACK
200 Des3* des3 = NULL;
201#else
202 Des3 des3[1];
203#endif
204
205#ifdef WOLFSSL_SMALL_STACK
206 des3 = (Des3*)XMALLOC(sizeof(Des3), NULL, DYNAMIC_TYPE_TMP_BUFFER);
207 if (des3 == NULL)
208 return MEMORY_E;
209#endif
210
211 ret = wc_Des3Init(des3, NULL, INVALID_DEVID);
212 if (ret == 0) {
213 ret = wc_Des3_SetKey(des3, key, iv, DES_DECRYPTION);
214 if (ret == 0)
215 ret = wc_Des3_CbcDecrypt(des3, out, in, sz);
216 wc_Des3Free(des3);
217 }
218
219#ifdef WOLFSSL_SMALL_STACK
220 XFREE(des3, NULL, DYNAMIC_TYPE_TMP_BUFFER);
221#endif
222
223 return ret;
224}
225
226#endif /* !NO_DES3 */
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