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Eneboo - Documentación para desarrolladores
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src/libdigidoc/openssl/crypto/evp/evp_locl.h
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00001 /* evp_locl.h */ 00002 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL 00003 * project 2000. 00004 */ 00005 /* ==================================================================== 00006 * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 00007 * 00008 * Redistribution and use in source and binary forms, with or without 00009 * modification, are permitted provided that the following conditions 00010 * are met: 00011 * 00012 * 1. Redistributions of source code must retain the above copyright 00013 * notice, this list of conditions and the following disclaimer. 00014 * 00015 * 2. Redistributions in binary form must reproduce the above copyright 00016 * notice, this list of conditions and the following disclaimer in 00017 * the documentation and/or other materials provided with the 00018 * distribution. 00019 * 00020 * 3. All advertising materials mentioning features or use of this 00021 * software must display the following acknowledgment: 00022 * "This product includes software developed by the OpenSSL Project 00023 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 00024 * 00025 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 00026 * endorse or promote products derived from this software without 00027 * prior written permission. For written permission, please contact 00028 * licensing@OpenSSL.org. 00029 * 00030 * 5. Products derived from this software may not be called "OpenSSL" 00031 * nor may "OpenSSL" appear in their names without prior written 00032 * permission of the OpenSSL Project. 00033 * 00034 * 6. Redistributions of any form whatsoever must retain the following 00035 * acknowledgment: 00036 * "This product includes software developed by the OpenSSL Project 00037 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 00038 * 00039 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 00040 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00041 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 00042 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 00043 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00044 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 00045 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00046 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00047 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 00048 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00049 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 00050 * OF THE POSSIBILITY OF SUCH DAMAGE. 00051 * ==================================================================== 00052 * 00053 * This product includes cryptographic software written by Eric Young 00054 * (eay@cryptsoft.com). This product includes software written by Tim 00055 * Hudson (tjh@cryptsoft.com). 00056 * 00057 */ 00058 00059 /* Macros to code block cipher wrappers */ 00060 00061 /* Wrapper functions for each cipher mode */ 00062 00063 #define BLOCK_CIPHER_ecb_loop() \ 00064 unsigned int i, bl; \ 00065 bl = ctx->cipher->block_size;\ 00066 if(inl < bl) return 1;\ 00067 inl -= bl; \ 00068 for(i=0; i <= inl; i+=bl) 00069 00070 #define BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \ 00071 static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \ 00072 {\ 00073 BLOCK_CIPHER_ecb_loop() \ 00074 cprefix##_ecb_encrypt(in + i, out + i, &((kstruct *)ctx->cipher_data)->ksched, ctx->encrypt);\ 00075 return 1;\ 00076 } 00077 00078 #define BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) \ 00079 static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \ 00080 {\ 00081 cprefix##_ofb##cbits##_encrypt(in, out, (long)inl, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, &ctx->num);\ 00082 return 1;\ 00083 } 00084 00085 #define BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \ 00086 static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \ 00087 {\ 00088 cprefix##_cbc_encrypt(in, out, (long)inl, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, ctx->encrypt);\ 00089 return 1;\ 00090 } 00091 00092 #define BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \ 00093 static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \ 00094 {\ 00095 cprefix##_cfb##cbits##_encrypt(in, out, (long)((cbits==1) && !(ctx->flags & EVP_CIPH_FLAG_LENGTH_BITS) ?inl*8:inl), &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, &ctx->num, ctx->encrypt);\ 00096 return 1;\ 00097 } 00098 00099 #define BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \ 00100 BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \ 00101 BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \ 00102 BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \ 00103 BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) 00104 00105 #define BLOCK_CIPHER_def1(cname, nmode, mode, MODE, kstruct, nid, block_size, \ 00106 key_len, iv_len, flags, init_key, cleanup, \ 00107 set_asn1, get_asn1, ctrl) \ 00108 static const EVP_CIPHER cname##_##mode = { \ 00109 nid##_##nmode, block_size, key_len, iv_len, \ 00110 flags | EVP_CIPH_##MODE##_MODE, \ 00111 init_key, \ 00112 cname##_##mode##_cipher, \ 00113 cleanup, \ 00114 sizeof(kstruct), \ 00115 set_asn1, get_asn1,\ 00116 ctrl, \ 00117 NULL \ 00118 }; \ 00119 const EVP_CIPHER *EVP_##cname##_##mode(void) { return &cname##_##mode; } 00120 00121 #define BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, \ 00122 iv_len, flags, init_key, cleanup, set_asn1, \ 00123 get_asn1, ctrl) \ 00124 BLOCK_CIPHER_def1(cname, cbc, cbc, CBC, kstruct, nid, block_size, key_len, \ 00125 iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl) 00126 00127 #define BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, \ 00128 iv_len, cbits, flags, init_key, cleanup, \ 00129 set_asn1, get_asn1, ctrl) \ 00130 BLOCK_CIPHER_def1(cname, cfb##cbits, cfb##cbits, CFB, kstruct, nid, 1, \ 00131 key_len, iv_len, flags, init_key, cleanup, set_asn1, \ 00132 get_asn1, ctrl) 00133 00134 #define BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, \ 00135 iv_len, cbits, flags, init_key, cleanup, \ 00136 set_asn1, get_asn1, ctrl) \ 00137 BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, 1, \ 00138 key_len, iv_len, flags, init_key, cleanup, set_asn1, \ 00139 get_asn1, ctrl) 00140 00141 #define BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, \ 00142 flags, init_key, cleanup, set_asn1, \ 00143 get_asn1, ctrl) \ 00144 BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, key_len, \ 00145 0, flags, init_key, cleanup, set_asn1, get_asn1, ctrl) 00146 00147 #define BLOCK_CIPHER_defs(cname, kstruct, \ 00148 nid, block_size, key_len, iv_len, cbits, flags, \ 00149 init_key, cleanup, set_asn1, get_asn1, ctrl) \ 00150 BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, flags, \ 00151 init_key, cleanup, set_asn1, get_asn1, ctrl) \ 00152 BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, \ 00153 flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \ 00154 BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, \ 00155 flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \ 00156 BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, flags, \ 00157 init_key, cleanup, set_asn1, get_asn1, ctrl) 00158 00159 00160 /* 00161 #define BLOCK_CIPHER_defs(cname, kstruct, \ 00162 nid, block_size, key_len, iv_len, flags,\ 00163 init_key, cleanup, set_asn1, get_asn1, ctrl)\ 00164 static const EVP_CIPHER cname##_cbc = {\ 00165 nid##_cbc, block_size, key_len, iv_len, \ 00166 flags | EVP_CIPH_CBC_MODE,\ 00167 init_key,\ 00168 cname##_cbc_cipher,\ 00169 cleanup,\ 00170 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ 00171 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ 00172 set_asn1, get_asn1,\ 00173 ctrl, \ 00174 NULL \ 00175 };\ 00176 const EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\ 00177 static const EVP_CIPHER cname##_cfb = {\ 00178 nid##_cfb64, 1, key_len, iv_len, \ 00179 flags | EVP_CIPH_CFB_MODE,\ 00180 init_key,\ 00181 cname##_cfb_cipher,\ 00182 cleanup,\ 00183 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ 00184 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ 00185 set_asn1, get_asn1,\ 00186 ctrl,\ 00187 NULL \ 00188 };\ 00189 const EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\ 00190 static const EVP_CIPHER cname##_ofb = {\ 00191 nid##_ofb64, 1, key_len, iv_len, \ 00192 flags | EVP_CIPH_OFB_MODE,\ 00193 init_key,\ 00194 cname##_ofb_cipher,\ 00195 cleanup,\ 00196 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ 00197 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ 00198 set_asn1, get_asn1,\ 00199 ctrl,\ 00200 NULL \ 00201 };\ 00202 const EVP_CIPHER *EVP_##cname##_ofb(void) { return &cname##_ofb; }\ 00203 static const EVP_CIPHER cname##_ecb = {\ 00204 nid##_ecb, block_size, key_len, iv_len, \ 00205 flags | EVP_CIPH_ECB_MODE,\ 00206 init_key,\ 00207 cname##_ecb_cipher,\ 00208 cleanup,\ 00209 sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\ 00210 sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\ 00211 set_asn1, get_asn1,\ 00212 ctrl,\ 00213 NULL \ 00214 };\ 00215 const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; } 00216 */ 00217 00218 #define IMPLEMENT_BLOCK_CIPHER(cname, ksched, cprefix, kstruct, nid, \ 00219 block_size, key_len, iv_len, cbits, \ 00220 flags, init_key, \ 00221 cleanup, set_asn1, get_asn1, ctrl) \ 00222 BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \ 00223 BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, \ 00224 cbits, flags, init_key, cleanup, set_asn1, \ 00225 get_asn1, ctrl) 00226 00227 #define EVP_C_DATA(kstruct, ctx) ((kstruct *)(ctx)->cipher_data) 00228 00229 #define IMPLEMENT_CFBR(cipher,cprefix,kstruct,ksched,keysize,cbits,iv_len,fl) \ 00230 BLOCK_CIPHER_func_cfb(cipher##_##keysize,cprefix,cbits,kstruct,ksched) \ 00231 BLOCK_CIPHER_def_cfb(cipher##_##keysize,kstruct, \ 00232 NID_##cipher##_##keysize, keysize/8, iv_len, cbits, \ 00233 (fl)|EVP_CIPH_FLAG_DEFAULT_ASN1, \ 00234 cipher##_init_key, NULL, NULL, NULL, NULL) 00235 00236 #ifdef OPENSSL_FIPS 00237 #define RC2_set_key private_RC2_set_key 00238 #define RC4_set_key private_RC4_set_key 00239 #define CAST_set_key private_CAST_set_key 00240 #define RC5_32_set_key private_RC5_32_set_key 00241 #define BF_set_key private_BF_set_key 00242 #define Camellia_set_key private_Camellia_set_key 00243 #define idea_set_encrypt_key private_idea_set_encrypt_key 00244 00245 #define MD5_Init private_MD5_Init 00246 #define MD4_Init private_MD4_Init 00247 #define MD2_Init private_MD2_Init 00248 #define MDC2_Init private_MDC2_Init 00249 #define SHA_Init private_SHA_Init 00250 00251 #endif 00252
