diff options
Diffstat (limited to 'src/lib/libcrypto/ecdsa/ecs_lib.c')
| -rw-r--r-- | src/lib/libcrypto/ecdsa/ecs_lib.c | 264 |
1 files changed, 0 insertions, 264 deletions
diff --git a/src/lib/libcrypto/ecdsa/ecs_lib.c b/src/lib/libcrypto/ecdsa/ecs_lib.c deleted file mode 100644 index 1ba788b4f0..0000000000 --- a/src/lib/libcrypto/ecdsa/ecs_lib.c +++ /dev/null | |||
| @@ -1,264 +0,0 @@ | |||
| 1 | /* $OpenBSD: ecs_lib.c,v 1.10 2015/09/10 15:56:25 jsing Exp $ */ | ||
| 2 | /* ==================================================================== | ||
| 3 | * Copyright (c) 1998-2005 The OpenSSL Project. All rights reserved. | ||
| 4 | * | ||
| 5 | * Redistribution and use in source and binary forms, with or without | ||
| 6 | * modification, are permitted provided that the following conditions | ||
| 7 | * are met: | ||
| 8 | * | ||
| 9 | * 1. Redistributions of source code must retain the above copyright | ||
| 10 | * notice, this list of conditions and the following disclaimer. | ||
| 11 | * | ||
| 12 | * 2. Redistributions in binary form must reproduce the above copyright | ||
| 13 | * notice, this list of conditions and the following disclaimer in | ||
| 14 | * the documentation and/or other materials provided with the | ||
| 15 | * distribution. | ||
| 16 | * | ||
| 17 | * 3. All advertising materials mentioning features or use of this | ||
| 18 | * software must display the following acknowledgment: | ||
| 19 | * "This product includes software developed by the OpenSSL Project | ||
| 20 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | ||
| 21 | * | ||
| 22 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
| 23 | * endorse or promote products derived from this software without | ||
| 24 | * prior written permission. For written permission, please contact | ||
| 25 | * openssl-core@OpenSSL.org. | ||
| 26 | * | ||
| 27 | * 5. Products derived from this software may not be called "OpenSSL" | ||
| 28 | * nor may "OpenSSL" appear in their names without prior written | ||
| 29 | * permission of the OpenSSL Project. | ||
| 30 | * | ||
| 31 | * 6. Redistributions of any form whatsoever must retain the following | ||
| 32 | * acknowledgment: | ||
| 33 | * "This product includes software developed by the OpenSSL Project | ||
| 34 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | ||
| 35 | * | ||
| 36 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
| 37 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 38 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
| 39 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
| 40 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| 41 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
| 42 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
| 43 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| 44 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
| 45 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| 46 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
| 47 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| 48 | * ==================================================================== | ||
| 49 | * | ||
| 50 | * This product includes cryptographic software written by Eric Young | ||
| 51 | * (eay@cryptsoft.com). This product includes software written by Tim | ||
| 52 | * Hudson (tjh@cryptsoft.com). | ||
| 53 | * | ||
| 54 | */ | ||
| 55 | |||
| 56 | #include <string.h> | ||
| 57 | |||
| 58 | #include <openssl/opensslconf.h> | ||
| 59 | |||
| 60 | #include "ecs_locl.h" | ||
| 61 | #ifndef OPENSSL_NO_ENGINE | ||
| 62 | #include <openssl/engine.h> | ||
| 63 | #endif | ||
| 64 | #include <openssl/err.h> | ||
| 65 | #include <openssl/bn.h> | ||
| 66 | |||
| 67 | static const ECDSA_METHOD *default_ECDSA_method = NULL; | ||
| 68 | |||
| 69 | static void *ecdsa_data_new(void); | ||
| 70 | static void *ecdsa_data_dup(void *); | ||
| 71 | static void ecdsa_data_free(void *); | ||
| 72 | |||
| 73 | void | ||
| 74 | ECDSA_set_default_method(const ECDSA_METHOD *meth) | ||
| 75 | { | ||
| 76 | default_ECDSA_method = meth; | ||
| 77 | } | ||
| 78 | |||
| 79 | const ECDSA_METHOD * | ||
| 80 | ECDSA_get_default_method(void) | ||
| 81 | { | ||
| 82 | if (!default_ECDSA_method) { | ||
| 83 | default_ECDSA_method = ECDSA_OpenSSL(); | ||
| 84 | } | ||
| 85 | return default_ECDSA_method; | ||
| 86 | } | ||
| 87 | |||
| 88 | int | ||
| 89 | ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth) | ||
| 90 | { | ||
| 91 | ECDSA_DATA *ecdsa; | ||
| 92 | |||
| 93 | ecdsa = ecdsa_check(eckey); | ||
| 94 | |||
| 95 | if (ecdsa == NULL) | ||
| 96 | return 0; | ||
| 97 | |||
| 98 | #ifndef OPENSSL_NO_ENGINE | ||
| 99 | if (ecdsa->engine) { | ||
| 100 | ENGINE_finish(ecdsa->engine); | ||
| 101 | ecdsa->engine = NULL; | ||
| 102 | } | ||
| 103 | #endif | ||
| 104 | ecdsa->meth = meth; | ||
| 105 | |||
| 106 | return 1; | ||
| 107 | } | ||
| 108 | |||
| 109 | static ECDSA_DATA * | ||
| 110 | ECDSA_DATA_new_method(ENGINE *engine) | ||
| 111 | { | ||
| 112 | ECDSA_DATA *ret; | ||
| 113 | |||
| 114 | ret = malloc(sizeof(ECDSA_DATA)); | ||
| 115 | if (ret == NULL) { | ||
| 116 | ECDSAerr(ECDSA_F_ECDSA_DATA_NEW_METHOD, ERR_R_MALLOC_FAILURE); | ||
| 117 | return (NULL); | ||
| 118 | } | ||
| 119 | |||
| 120 | ret->init = NULL; | ||
| 121 | |||
| 122 | ret->meth = ECDSA_get_default_method(); | ||
| 123 | ret->engine = engine; | ||
| 124 | #ifndef OPENSSL_NO_ENGINE | ||
| 125 | if (!ret->engine) | ||
| 126 | ret->engine = ENGINE_get_default_ECDSA(); | ||
| 127 | if (ret->engine) { | ||
| 128 | ret->meth = ENGINE_get_ECDSA(ret->engine); | ||
| 129 | if (!ret->meth) { | ||
| 130 | ECDSAerr(ECDSA_F_ECDSA_DATA_NEW_METHOD, | ||
| 131 | ERR_R_ENGINE_LIB); | ||
| 132 | ENGINE_finish(ret->engine); | ||
| 133 | free(ret); | ||
| 134 | return NULL; | ||
| 135 | } | ||
| 136 | } | ||
| 137 | #endif | ||
| 138 | |||
| 139 | ret->flags = ret->meth->flags; | ||
| 140 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_ECDSA, ret, &ret->ex_data); | ||
| 141 | return (ret); | ||
| 142 | } | ||
| 143 | |||
| 144 | static void * | ||
| 145 | ecdsa_data_new(void) | ||
| 146 | { | ||
| 147 | return (void *)ECDSA_DATA_new_method(NULL); | ||
| 148 | } | ||
| 149 | |||
| 150 | static void * | ||
| 151 | ecdsa_data_dup(void *data) | ||
| 152 | { | ||
| 153 | ECDSA_DATA *r = (ECDSA_DATA *)data; | ||
| 154 | |||
| 155 | /* XXX: dummy operation */ | ||
| 156 | if (r == NULL) | ||
| 157 | return NULL; | ||
| 158 | |||
| 159 | return ecdsa_data_new(); | ||
| 160 | } | ||
| 161 | |||
| 162 | static void | ||
| 163 | ecdsa_data_free(void *data) | ||
| 164 | { | ||
| 165 | ECDSA_DATA *r = (ECDSA_DATA *)data; | ||
| 166 | |||
| 167 | #ifndef OPENSSL_NO_ENGINE | ||
| 168 | if (r->engine) | ||
| 169 | ENGINE_finish(r->engine); | ||
| 170 | #endif | ||
| 171 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDSA, r, &r->ex_data); | ||
| 172 | |||
| 173 | explicit_bzero((void *)r, sizeof(ECDSA_DATA)); | ||
| 174 | |||
| 175 | free(r); | ||
| 176 | } | ||
| 177 | |||
| 178 | ECDSA_DATA * | ||
| 179 | ecdsa_check(EC_KEY *key) | ||
| 180 | { | ||
| 181 | ECDSA_DATA *ecdsa_data; | ||
| 182 | |||
| 183 | void *data = EC_KEY_get_key_method_data(key, ecdsa_data_dup, | ||
| 184 | ecdsa_data_free, ecdsa_data_free); | ||
| 185 | if (data == NULL) { | ||
| 186 | ecdsa_data = (ECDSA_DATA *)ecdsa_data_new(); | ||
| 187 | if (ecdsa_data == NULL) | ||
| 188 | return NULL; | ||
| 189 | data = EC_KEY_insert_key_method_data(key, (void *)ecdsa_data, | ||
| 190 | ecdsa_data_dup, ecdsa_data_free, ecdsa_data_free); | ||
| 191 | if (data != NULL) { | ||
| 192 | /* Another thread raced us to install the key_method | ||
| 193 | * data and won. */ | ||
| 194 | ecdsa_data_free(ecdsa_data); | ||
| 195 | ecdsa_data = (ECDSA_DATA *)data; | ||
| 196 | } | ||
| 197 | } else | ||
| 198 | ecdsa_data = (ECDSA_DATA *)data; | ||
| 199 | |||
| 200 | return ecdsa_data; | ||
| 201 | } | ||
| 202 | |||
| 203 | int | ||
| 204 | ECDSA_size(const EC_KEY *r) | ||
| 205 | { | ||
| 206 | int ret, i; | ||
| 207 | ASN1_INTEGER bs; | ||
| 208 | BIGNUM *order = NULL; | ||
| 209 | unsigned char buf[4]; | ||
| 210 | const EC_GROUP *group; | ||
| 211 | |||
| 212 | if (r == NULL) | ||
| 213 | return 0; | ||
| 214 | group = EC_KEY_get0_group(r); | ||
| 215 | if (group == NULL) | ||
| 216 | return 0; | ||
| 217 | |||
| 218 | if ((order = BN_new()) == NULL) | ||
| 219 | return 0; | ||
| 220 | if (!EC_GROUP_get_order(group, order, NULL)) { | ||
| 221 | BN_clear_free(order); | ||
| 222 | return 0; | ||
| 223 | } | ||
| 224 | i = BN_num_bits(order); | ||
| 225 | bs.length = (i + 7) / 8; | ||
| 226 | bs.data = buf; | ||
| 227 | bs.type = V_ASN1_INTEGER; | ||
| 228 | /* If the top bit is set the asn1 encoding is 1 larger. */ | ||
| 229 | buf[0] = 0xff; | ||
| 230 | |||
| 231 | i = i2d_ASN1_INTEGER(&bs, NULL); | ||
| 232 | i += i; /* r and s */ | ||
| 233 | ret = ASN1_object_size(1, i, V_ASN1_SEQUENCE); | ||
| 234 | BN_clear_free(order); | ||
| 235 | return (ret); | ||
| 236 | } | ||
| 237 | |||
| 238 | int | ||
| 239 | ECDSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, | ||
| 240 | CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) | ||
| 241 | { | ||
| 242 | return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_ECDSA, argl, argp, | ||
| 243 | new_func, dup_func, free_func); | ||
| 244 | } | ||
| 245 | |||
| 246 | int | ||
| 247 | ECDSA_set_ex_data(EC_KEY *d, int idx, void *arg) | ||
| 248 | { | ||
| 249 | ECDSA_DATA *ecdsa; | ||
| 250 | ecdsa = ecdsa_check(d); | ||
| 251 | if (ecdsa == NULL) | ||
| 252 | return 0; | ||
| 253 | return (CRYPTO_set_ex_data(&ecdsa->ex_data, idx, arg)); | ||
| 254 | } | ||
| 255 | |||
| 256 | void * | ||
| 257 | ECDSA_get_ex_data(EC_KEY *d, int idx) | ||
| 258 | { | ||
| 259 | ECDSA_DATA *ecdsa; | ||
| 260 | ecdsa = ecdsa_check(d); | ||
| 261 | if (ecdsa == NULL) | ||
| 262 | return NULL; | ||
| 263 | return (CRYPTO_get_ex_data(&ecdsa->ex_data, idx)); | ||
| 264 | } | ||
