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diff --git a/src/lib/libcrypto/evp/evp_locl.h b/src/lib/libcrypto/evp/evp_locl.h
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1/* evp_locl.h */
2/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
3 * project 2000.
4 */
5/* ====================================================================
6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59/* Macros to code block cipher wrappers */
60
61/* Wrapper functions for each cipher mode */
62
63#define BLOCK_CIPHER_ecb_loop() \
64 unsigned int i; \
65 if(inl < 8) return 1;\
66 inl -= 8; \
67 for(i=0; i <= inl; i+=8) \
68
69#define BLOCK_CIPHER_func_ecb(cname, cprefix, kname) \
70static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
71{\
72 BLOCK_CIPHER_ecb_loop() \
73 cprefix##_ecb_encrypt(in + i, out + i, &ctx->c.kname, ctx->encrypt);\
74 return 1;\
75}
76
77#define BLOCK_CIPHER_func_ofb(cname, cprefix, kname) \
78static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
79{\
80 cprefix##_ofb64_encrypt(in, out, (long)inl, &ctx->c.kname, ctx->iv, &ctx->num);\
81 return 1;\
82}
83
84#define BLOCK_CIPHER_func_cbc(cname, cprefix, kname) \
85static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
86{\
87 cprefix##_cbc_encrypt(in, out, (long)inl, &ctx->c.kname, ctx->iv, ctx->encrypt);\
88 return 1;\
89}
90
91#define BLOCK_CIPHER_func_cfb(cname, cprefix, kname) \
92static int cname##_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
93{\
94 cprefix##_cfb64_encrypt(in, out, (long)inl, &ctx->c.kname, ctx->iv, &ctx->num, ctx->encrypt);\
95 return 1;\
96}
97
98#define BLOCK_CIPHER_all_funcs(cname, cprefix, kname) \
99 BLOCK_CIPHER_func_cbc(cname, cprefix, kname) \
100 BLOCK_CIPHER_func_cfb(cname, cprefix, kname) \
101 BLOCK_CIPHER_func_ecb(cname, cprefix, kname) \
102 BLOCK_CIPHER_func_ofb(cname, cprefix, kname)
103
104#define BLOCK_CIPHER_defs(cname, kstruct, \
105 nid, block_size, key_len, iv_len, flags,\
106 init_key, cleanup, set_asn1, get_asn1, ctrl)\
107static EVP_CIPHER cname##_cbc = {\
108 nid##_cbc, block_size, key_len, iv_len, \
109 flags | EVP_CIPH_CBC_MODE,\
110 init_key,\
111 cname##_cbc_cipher,\
112 cleanup,\
113 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
114 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
115 set_asn1, get_asn1,\
116 ctrl, \
117 NULL \
118};\
119EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\
120static EVP_CIPHER cname##_cfb = {\
121 nid##_cfb64, 1, key_len, iv_len, \
122 flags | EVP_CIPH_CFB_MODE,\
123 init_key,\
124 cname##_cfb_cipher,\
125 cleanup,\
126 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
127 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
128 set_asn1, get_asn1,\
129 ctrl,\
130 NULL \
131};\
132EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\
133static EVP_CIPHER cname##_ofb = {\
134 nid##_ofb64, 1, key_len, iv_len, \
135 flags | EVP_CIPH_OFB_MODE,\
136 init_key,\
137 cname##_ofb_cipher,\
138 cleanup,\
139 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
140 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
141 set_asn1, get_asn1,\
142 ctrl,\
143 NULL \
144};\
145EVP_CIPHER *EVP_##cname##_ofb(void) { return &cname##_ofb; }\
146static EVP_CIPHER cname##_ecb = {\
147 nid##_ecb, block_size, key_len, iv_len, \
148 flags | EVP_CIPH_ECB_MODE,\
149 init_key,\
150 cname##_ecb_cipher,\
151 cleanup,\
152 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
153 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
154 set_asn1, get_asn1,\
155 ctrl,\
156 NULL \
157};\
158EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; }
159
160
161
162#define IMPLEMENT_BLOCK_CIPHER(cname, kname, cprefix, kstruct, \
163 nid, block_size, key_len, iv_len, flags, \
164 init_key, cleanup, set_asn1, get_asn1, ctrl) \
165 BLOCK_CIPHER_all_funcs(cname, cprefix, kname) \
166 BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, flags,\
167 init_key, cleanup, set_asn1, get_asn1, ctrl)
168
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