diff options
Diffstat (limited to 'src/lib/libcrypto/evp/e_des3.c')
| -rw-r--r-- | src/lib/libcrypto/evp/e_des3.c | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/src/lib/libcrypto/evp/e_des3.c b/src/lib/libcrypto/evp/e_des3.c new file mode 100644 index 0000000000..677322bf02 --- /dev/null +++ b/src/lib/libcrypto/evp/e_des3.c | |||
| @@ -0,0 +1,232 @@ | |||
| 1 | /* crypto/evp/e_des3.c */ | ||
| 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | ||
| 3 | * All rights reserved. | ||
| 4 | * | ||
| 5 | * This package is an SSL implementation written | ||
| 6 | * by Eric Young (eay@cryptsoft.com). | ||
| 7 | * The implementation was written so as to conform with Netscapes SSL. | ||
| 8 | * | ||
| 9 | * This library is free for commercial and non-commercial use as long as | ||
| 10 | * the following conditions are aheared to. The following conditions | ||
| 11 | * apply to all code found in this distribution, be it the RC4, RSA, | ||
| 12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | ||
| 13 | * included with this distribution is covered by the same copyright terms | ||
| 14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | ||
| 15 | * | ||
| 16 | * Copyright remains Eric Young's, and as such any Copyright notices in | ||
| 17 | * the code are not to be removed. | ||
| 18 | * If this package is used in a product, Eric Young should be given attribution | ||
| 19 | * as the author of the parts of the library used. | ||
| 20 | * This can be in the form of a textual message at program startup or | ||
| 21 | * in documentation (online or textual) provided with the package. | ||
| 22 | * | ||
| 23 | * Redistribution and use in source and binary forms, with or without | ||
| 24 | * modification, are permitted provided that the following conditions | ||
| 25 | * are met: | ||
| 26 | * 1. Redistributions of source code must retain the copyright | ||
| 27 | * notice, this list of conditions and the following disclaimer. | ||
| 28 | * 2. Redistributions in binary form must reproduce the above copyright | ||
| 29 | * notice, this list of conditions and the following disclaimer in the | ||
| 30 | * documentation and/or other materials provided with the distribution. | ||
| 31 | * 3. All advertising materials mentioning features or use of this software | ||
| 32 | * must display the following acknowledgement: | ||
| 33 | * "This product includes cryptographic software written by | ||
| 34 | * Eric Young (eay@cryptsoft.com)" | ||
| 35 | * The word 'cryptographic' can be left out if the rouines from the library | ||
| 36 | * being used are not cryptographic related :-). | ||
| 37 | * 4. If you include any Windows specific code (or a derivative thereof) from | ||
| 38 | * the apps directory (application code) you must include an acknowledgement: | ||
| 39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | ||
| 40 | * | ||
| 41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | ||
| 42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| 44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | ||
| 45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
| 46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
| 47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| 48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
| 49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
| 50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
| 51 | * SUCH DAMAGE. | ||
| 52 | * | ||
| 53 | * The licence and distribution terms for any publically available version or | ||
| 54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | ||
| 55 | * copied and put under another distribution licence | ||
| 56 | * [including the GNU Public Licence.] | ||
| 57 | */ | ||
| 58 | |||
| 59 | #include <stdio.h> | ||
| 60 | #include "cryptlib.h" | ||
| 61 | #ifndef OPENSSL_NO_DES | ||
| 62 | #include <openssl/evp.h> | ||
| 63 | #include <openssl/objects.h> | ||
| 64 | #include "evp_locl.h" | ||
| 65 | #include <openssl/des.h> | ||
| 66 | |||
| 67 | static int des_ede_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, | ||
| 68 | const unsigned char *iv,int enc); | ||
| 69 | |||
| 70 | static int des_ede3_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, | ||
| 71 | const unsigned char *iv,int enc); | ||
| 72 | |||
| 73 | typedef struct | ||
| 74 | { | ||
| 75 | DES_key_schedule ks1;/* key schedule */ | ||
| 76 | DES_key_schedule ks2;/* key schedule (for ede) */ | ||
| 77 | DES_key_schedule ks3;/* key schedule (for ede3) */ | ||
| 78 | } DES_EDE_KEY; | ||
| 79 | |||
| 80 | #define data(ctx) ((DES_EDE_KEY *)(ctx)->cipher_data) | ||
| 81 | |||
| 82 | /* Because of various casts and different args can't use IMPLEMENT_BLOCK_CIPHER */ | ||
| 83 | |||
| 84 | static int des_ede_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, | ||
| 85 | const unsigned char *in, unsigned int inl) | ||
| 86 | { | ||
| 87 | BLOCK_CIPHER_ecb_loop() | ||
| 88 | DES_ecb3_encrypt(in + i,out + i, | ||
| 89 | &data(ctx)->ks1, &data(ctx)->ks2, | ||
| 90 | &data(ctx)->ks3, | ||
| 91 | ctx->encrypt); | ||
| 92 | return 1; | ||
| 93 | } | ||
| 94 | |||
| 95 | static int des_ede_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, | ||
| 96 | const unsigned char *in, unsigned int inl) | ||
| 97 | { | ||
| 98 | DES_ede3_ofb64_encrypt(in, out, (long)inl, | ||
| 99 | &data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3, | ||
| 100 | (DES_cblock *)ctx->iv, &ctx->num); | ||
| 101 | return 1; | ||
| 102 | } | ||
| 103 | |||
| 104 | static int des_ede_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, | ||
| 105 | const unsigned char *in, unsigned int inl) | ||
| 106 | { | ||
| 107 | #ifdef KSSL_DEBUG | ||
| 108 | { | ||
| 109 | int i; | ||
| 110 | char *cp; | ||
| 111 | printf("des_ede_cbc_cipher(ctx=%lx, buflen=%d)\n", ctx, ctx->buf_len); | ||
| 112 | printf("\t iv= "); | ||
| 113 | for(i=0;i<8;i++) | ||
| 114 | printf("%02X",ctx->iv[i]); | ||
| 115 | printf("\n"); | ||
| 116 | } | ||
| 117 | #endif /* KSSL_DEBUG */ | ||
| 118 | DES_ede3_cbc_encrypt(in, out, (long)inl, | ||
| 119 | &data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3, | ||
| 120 | (DES_cblock *)ctx->iv, ctx->encrypt); | ||
| 121 | return 1; | ||
| 122 | } | ||
| 123 | |||
| 124 | static int des_ede_cfb64_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, | ||
| 125 | const unsigned char *in, unsigned int inl) | ||
| 126 | { | ||
| 127 | DES_ede3_cfb64_encrypt(in, out, (long)inl, | ||
| 128 | &data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3, | ||
| 129 | (DES_cblock *)ctx->iv, &ctx->num, ctx->encrypt); | ||
| 130 | return 1; | ||
| 131 | } | ||
| 132 | |||
| 133 | /* Although we have a CFB-r implementation for 3-DES, it doesn't pack the right | ||
| 134 | way, so wrap it here */ | ||
| 135 | static int des_ede3_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, | ||
| 136 | const unsigned char *in, unsigned int inl) | ||
| 137 | { | ||
| 138 | unsigned int n; | ||
| 139 | unsigned char c[1],d[1]; | ||
| 140 | |||
| 141 | for(n=0 ; n < inl ; ++n) | ||
| 142 | { | ||
| 143 | c[0]=(in[n/8]&(1 << (7-n%8))) ? 0x80 : 0; | ||
| 144 | DES_ede3_cfb_encrypt(c,d,1,1, | ||
| 145 | &data(ctx)->ks1,&data(ctx)->ks2,&data(ctx)->ks3, | ||
| 146 | (DES_cblock *)ctx->iv,ctx->encrypt); | ||
| 147 | out[n/8]=(out[n/8]&~(0x80 >> (n%8)))|((d[0]&0x80) >> (n%8)); | ||
| 148 | } | ||
| 149 | |||
| 150 | return 1; | ||
| 151 | } | ||
| 152 | |||
| 153 | static int des_ede3_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, | ||
| 154 | const unsigned char *in, unsigned int inl) | ||
| 155 | { | ||
| 156 | DES_ede3_cfb_encrypt(in,out,8,inl, | ||
| 157 | &data(ctx)->ks1,&data(ctx)->ks2,&data(ctx)->ks3, | ||
| 158 | (DES_cblock *)ctx->iv,ctx->encrypt); | ||
| 159 | return 1; | ||
| 160 | } | ||
| 161 | |||
| 162 | BLOCK_CIPHER_defs(des_ede, DES_EDE_KEY, NID_des_ede, 8, 16, 8, 64, | ||
| 163 | EVP_CIPH_FLAG_FIPS, des_ede_init_key, NULL, | ||
| 164 | EVP_CIPHER_set_asn1_iv, | ||
| 165 | EVP_CIPHER_get_asn1_iv, | ||
| 166 | NULL) | ||
| 167 | |||
| 168 | #define des_ede3_cfb64_cipher des_ede_cfb64_cipher | ||
| 169 | #define des_ede3_ofb_cipher des_ede_ofb_cipher | ||
| 170 | #define des_ede3_cbc_cipher des_ede_cbc_cipher | ||
| 171 | #define des_ede3_ecb_cipher des_ede_ecb_cipher | ||
| 172 | |||
| 173 | BLOCK_CIPHER_defs(des_ede3, DES_EDE_KEY, NID_des_ede3, 8, 24, 8, 64, | ||
| 174 | EVP_CIPH_FLAG_FIPS, des_ede3_init_key, NULL, | ||
| 175 | EVP_CIPHER_set_asn1_iv, | ||
| 176 | EVP_CIPHER_get_asn1_iv, | ||
| 177 | NULL) | ||
| 178 | |||
| 179 | BLOCK_CIPHER_def_cfb(des_ede3,DES_EDE_KEY,NID_des_ede3,24,8,1, | ||
| 180 | EVP_CIPH_FLAG_FIPS, des_ede3_init_key,NULL, | ||
| 181 | EVP_CIPHER_set_asn1_iv, | ||
| 182 | EVP_CIPHER_get_asn1_iv,NULL) | ||
| 183 | |||
| 184 | BLOCK_CIPHER_def_cfb(des_ede3,DES_EDE_KEY,NID_des_ede3,24,8,8, | ||
| 185 | EVP_CIPH_FLAG_FIPS, des_ede3_init_key,NULL, | ||
| 186 | EVP_CIPHER_set_asn1_iv, | ||
| 187 | EVP_CIPHER_get_asn1_iv,NULL) | ||
| 188 | |||
| 189 | static int des_ede_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, | ||
| 190 | const unsigned char *iv, int enc) | ||
| 191 | { | ||
| 192 | DES_cblock *deskey = (DES_cblock *)key; | ||
| 193 | |||
| 194 | DES_set_key_unchecked(&deskey[0],&data(ctx)->ks1); | ||
| 195 | DES_set_key_unchecked(&deskey[1],&data(ctx)->ks2); | ||
| 196 | memcpy(&data(ctx)->ks3,&data(ctx)->ks1, | ||
| 197 | sizeof(data(ctx)->ks1)); | ||
| 198 | return 1; | ||
| 199 | } | ||
| 200 | |||
| 201 | static int des_ede3_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, | ||
| 202 | const unsigned char *iv, int enc) | ||
| 203 | { | ||
| 204 | DES_cblock *deskey = (DES_cblock *)key; | ||
| 205 | #ifdef KSSL_DEBUG | ||
| 206 | { | ||
| 207 | int i; | ||
| 208 | printf("des_ede3_init_key(ctx=%lx)\n", ctx); | ||
| 209 | printf("\tKEY= "); | ||
| 210 | for(i=0;i<24;i++) printf("%02X",key[i]); printf("\n"); | ||
| 211 | printf("\t IV= "); | ||
| 212 | for(i=0;i<8;i++) printf("%02X",iv[i]); printf("\n"); | ||
| 213 | } | ||
| 214 | #endif /* KSSL_DEBUG */ | ||
| 215 | |||
| 216 | DES_set_key_unchecked(&deskey[0],&data(ctx)->ks1); | ||
| 217 | DES_set_key_unchecked(&deskey[1],&data(ctx)->ks2); | ||
| 218 | DES_set_key_unchecked(&deskey[2],&data(ctx)->ks3); | ||
| 219 | |||
| 220 | return 1; | ||
| 221 | } | ||
| 222 | |||
| 223 | const EVP_CIPHER *EVP_des_ede(void) | ||
| 224 | { | ||
| 225 | return &des_ede_ecb; | ||
| 226 | } | ||
| 227 | |||
| 228 | const EVP_CIPHER *EVP_des_ede3(void) | ||
| 229 | { | ||
| 230 | return &des_ede3_ecb; | ||
| 231 | } | ||
| 232 | #endif | ||
