diff options
Diffstat (limited to 'src/lib/libcrypto/asn1/p5_pbev2.c')
| -rw-r--r-- | src/lib/libcrypto/asn1/p5_pbev2.c | 280 |
1 files changed, 0 insertions, 280 deletions
diff --git a/src/lib/libcrypto/asn1/p5_pbev2.c b/src/lib/libcrypto/asn1/p5_pbev2.c deleted file mode 100644 index 4ea683036b..0000000000 --- a/src/lib/libcrypto/asn1/p5_pbev2.c +++ /dev/null | |||
| @@ -1,280 +0,0 @@ | |||
| 1 | /* p5_pbev2.c */ | ||
| 2 | /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL | ||
| 3 | * project 1999-2004. | ||
| 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 | #include <stdio.h> | ||
| 60 | #include "cryptlib.h" | ||
| 61 | #include <openssl/asn1t.h> | ||
| 62 | #include <openssl/x509.h> | ||
| 63 | #include <openssl/rand.h> | ||
| 64 | |||
| 65 | /* PKCS#5 v2.0 password based encryption structures */ | ||
| 66 | |||
| 67 | ASN1_SEQUENCE(PBE2PARAM) = { | ||
| 68 | ASN1_SIMPLE(PBE2PARAM, keyfunc, X509_ALGOR), | ||
| 69 | ASN1_SIMPLE(PBE2PARAM, encryption, X509_ALGOR) | ||
| 70 | } ASN1_SEQUENCE_END(PBE2PARAM) | ||
| 71 | |||
| 72 | IMPLEMENT_ASN1_FUNCTIONS(PBE2PARAM) | ||
| 73 | |||
| 74 | ASN1_SEQUENCE(PBKDF2PARAM) = { | ||
| 75 | ASN1_SIMPLE(PBKDF2PARAM, salt, ASN1_ANY), | ||
| 76 | ASN1_SIMPLE(PBKDF2PARAM, iter, ASN1_INTEGER), | ||
| 77 | ASN1_OPT(PBKDF2PARAM, keylength, ASN1_INTEGER), | ||
| 78 | ASN1_OPT(PBKDF2PARAM, prf, X509_ALGOR) | ||
| 79 | } ASN1_SEQUENCE_END(PBKDF2PARAM) | ||
| 80 | |||
| 81 | IMPLEMENT_ASN1_FUNCTIONS(PBKDF2PARAM) | ||
| 82 | |||
| 83 | /* Return an algorithm identifier for a PKCS#5 v2.0 PBE algorithm: | ||
| 84 | * yes I know this is horrible! | ||
| 85 | * | ||
| 86 | * Extended version to allow application supplied PRF NID and IV. | ||
| 87 | */ | ||
| 88 | |||
| 89 | X509_ALGOR *PKCS5_pbe2_set_iv(const EVP_CIPHER *cipher, int iter, | ||
| 90 | unsigned char *salt, int saltlen, | ||
| 91 | unsigned char *aiv, int prf_nid) | ||
| 92 | { | ||
| 93 | X509_ALGOR *scheme = NULL, *kalg = NULL, *ret = NULL; | ||
| 94 | int alg_nid, keylen; | ||
| 95 | EVP_CIPHER_CTX ctx; | ||
| 96 | unsigned char iv[EVP_MAX_IV_LENGTH]; | ||
| 97 | PBE2PARAM *pbe2 = NULL; | ||
| 98 | ASN1_OBJECT *obj; | ||
| 99 | |||
| 100 | alg_nid = EVP_CIPHER_type(cipher); | ||
| 101 | if(alg_nid == NID_undef) { | ||
| 102 | ASN1err(ASN1_F_PKCS5_PBE2_SET_IV, | ||
| 103 | ASN1_R_CIPHER_HAS_NO_OBJECT_IDENTIFIER); | ||
| 104 | goto err; | ||
| 105 | } | ||
| 106 | obj = OBJ_nid2obj(alg_nid); | ||
| 107 | |||
| 108 | if(!(pbe2 = PBE2PARAM_new())) goto merr; | ||
| 109 | |||
| 110 | /* Setup the AlgorithmIdentifier for the encryption scheme */ | ||
| 111 | scheme = pbe2->encryption; | ||
| 112 | |||
| 113 | scheme->algorithm = obj; | ||
| 114 | if(!(scheme->parameter = ASN1_TYPE_new())) goto merr; | ||
| 115 | |||
| 116 | /* Create random IV */ | ||
| 117 | if (EVP_CIPHER_iv_length(cipher)) | ||
| 118 | { | ||
| 119 | if (aiv) | ||
| 120 | memcpy(iv, aiv, EVP_CIPHER_iv_length(cipher)); | ||
| 121 | else if (RAND_pseudo_bytes(iv, EVP_CIPHER_iv_length(cipher)) < 0) | ||
| 122 | goto err; | ||
| 123 | } | ||
| 124 | |||
| 125 | EVP_CIPHER_CTX_init(&ctx); | ||
| 126 | |||
| 127 | /* Dummy cipherinit to just setup the IV, and PRF */ | ||
| 128 | if (!EVP_CipherInit_ex(&ctx, cipher, NULL, NULL, iv, 0)) | ||
| 129 | goto err; | ||
| 130 | if(EVP_CIPHER_param_to_asn1(&ctx, scheme->parameter) < 0) { | ||
| 131 | ASN1err(ASN1_F_PKCS5_PBE2_SET_IV, | ||
| 132 | ASN1_R_ERROR_SETTING_CIPHER_PARAMS); | ||
| 133 | EVP_CIPHER_CTX_cleanup(&ctx); | ||
| 134 | goto err; | ||
| 135 | } | ||
| 136 | /* If prf NID unspecified see if cipher has a preference. | ||
| 137 | * An error is OK here: just means use default PRF. | ||
| 138 | */ | ||
| 139 | if ((prf_nid == -1) && | ||
| 140 | EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_PBE_PRF_NID, 0, &prf_nid) <= 0) | ||
| 141 | { | ||
| 142 | ERR_clear_error(); | ||
| 143 | prf_nid = NID_hmacWithSHA1; | ||
| 144 | } | ||
| 145 | EVP_CIPHER_CTX_cleanup(&ctx); | ||
| 146 | |||
| 147 | /* If its RC2 then we'd better setup the key length */ | ||
| 148 | |||
| 149 | if(alg_nid == NID_rc2_cbc) | ||
| 150 | keylen = EVP_CIPHER_key_length(cipher); | ||
| 151 | else | ||
| 152 | keylen = -1; | ||
| 153 | |||
| 154 | /* Setup keyfunc */ | ||
| 155 | |||
| 156 | X509_ALGOR_free(pbe2->keyfunc); | ||
| 157 | |||
| 158 | pbe2->keyfunc = PKCS5_pbkdf2_set(iter, salt, saltlen, prf_nid, keylen); | ||
| 159 | |||
| 160 | if (!pbe2->keyfunc) | ||
| 161 | goto merr; | ||
| 162 | |||
| 163 | /* Now set up top level AlgorithmIdentifier */ | ||
| 164 | |||
| 165 | if(!(ret = X509_ALGOR_new())) goto merr; | ||
| 166 | if(!(ret->parameter = ASN1_TYPE_new())) goto merr; | ||
| 167 | |||
| 168 | ret->algorithm = OBJ_nid2obj(NID_pbes2); | ||
| 169 | |||
| 170 | /* Encode PBE2PARAM into parameter */ | ||
| 171 | |||
| 172 | if(!ASN1_item_pack(pbe2, ASN1_ITEM_rptr(PBE2PARAM), | ||
| 173 | &ret->parameter->value.sequence)) goto merr; | ||
| 174 | ret->parameter->type = V_ASN1_SEQUENCE; | ||
| 175 | |||
| 176 | PBE2PARAM_free(pbe2); | ||
| 177 | pbe2 = NULL; | ||
| 178 | |||
| 179 | return ret; | ||
| 180 | |||
| 181 | merr: | ||
| 182 | ASN1err(ASN1_F_PKCS5_PBE2_SET_IV,ERR_R_MALLOC_FAILURE); | ||
| 183 | |||
| 184 | err: | ||
| 185 | PBE2PARAM_free(pbe2); | ||
| 186 | /* Note 'scheme' is freed as part of pbe2 */ | ||
| 187 | X509_ALGOR_free(kalg); | ||
| 188 | X509_ALGOR_free(ret); | ||
| 189 | |||
| 190 | return NULL; | ||
| 191 | |||
| 192 | } | ||
| 193 | |||
| 194 | X509_ALGOR *PKCS5_pbe2_set(const EVP_CIPHER *cipher, int iter, | ||
| 195 | unsigned char *salt, int saltlen) | ||
| 196 | { | ||
| 197 | return PKCS5_pbe2_set_iv(cipher, iter, salt, saltlen, NULL, -1); | ||
| 198 | } | ||
| 199 | |||
| 200 | X509_ALGOR *PKCS5_pbkdf2_set(int iter, unsigned char *salt, int saltlen, | ||
| 201 | int prf_nid, int keylen) | ||
| 202 | { | ||
| 203 | X509_ALGOR *keyfunc = NULL; | ||
| 204 | PBKDF2PARAM *kdf = NULL; | ||
| 205 | ASN1_OCTET_STRING *osalt = NULL; | ||
| 206 | |||
| 207 | if(!(kdf = PBKDF2PARAM_new())) | ||
| 208 | goto merr; | ||
| 209 | if(!(osalt = M_ASN1_OCTET_STRING_new())) | ||
| 210 | goto merr; | ||
| 211 | |||
| 212 | kdf->salt->value.octet_string = osalt; | ||
| 213 | kdf->salt->type = V_ASN1_OCTET_STRING; | ||
| 214 | |||
| 215 | if (!saltlen) | ||
| 216 | saltlen = PKCS5_SALT_LEN; | ||
| 217 | if (!(osalt->data = OPENSSL_malloc (saltlen))) | ||
| 218 | goto merr; | ||
| 219 | |||
| 220 | osalt->length = saltlen; | ||
| 221 | |||
| 222 | if (salt) | ||
| 223 | memcpy (osalt->data, salt, saltlen); | ||
| 224 | else if (RAND_pseudo_bytes (osalt->data, saltlen) < 0) | ||
| 225 | goto merr; | ||
| 226 | |||
| 227 | if(iter <= 0) | ||
| 228 | iter = PKCS5_DEFAULT_ITER; | ||
| 229 | |||
| 230 | if(!ASN1_INTEGER_set(kdf->iter, iter)) | ||
| 231 | goto merr; | ||
| 232 | |||
| 233 | /* If have a key len set it up */ | ||
| 234 | |||
| 235 | if(keylen > 0) | ||
| 236 | { | ||
| 237 | if(!(kdf->keylength = M_ASN1_INTEGER_new())) | ||
| 238 | goto merr; | ||
| 239 | if(!ASN1_INTEGER_set (kdf->keylength, keylen)) | ||
| 240 | goto merr; | ||
| 241 | } | ||
| 242 | |||
| 243 | /* prf can stay NULL if we are using hmacWithSHA1 */ | ||
| 244 | if (prf_nid > 0 && prf_nid != NID_hmacWithSHA1) | ||
| 245 | { | ||
| 246 | kdf->prf = X509_ALGOR_new(); | ||
| 247 | if (!kdf->prf) | ||
| 248 | goto merr; | ||
| 249 | X509_ALGOR_set0(kdf->prf, OBJ_nid2obj(prf_nid), | ||
| 250 | V_ASN1_NULL, NULL); | ||
| 251 | } | ||
| 252 | |||
| 253 | /* Finally setup the keyfunc structure */ | ||
| 254 | |||
| 255 | keyfunc = X509_ALGOR_new(); | ||
| 256 | if (!keyfunc) | ||
| 257 | goto merr; | ||
| 258 | |||
| 259 | keyfunc->algorithm = OBJ_nid2obj(NID_id_pbkdf2); | ||
| 260 | |||
| 261 | /* Encode PBKDF2PARAM into parameter of pbe2 */ | ||
| 262 | |||
| 263 | if(!(keyfunc->parameter = ASN1_TYPE_new())) | ||
| 264 | goto merr; | ||
| 265 | |||
| 266 | if(!ASN1_item_pack(kdf, ASN1_ITEM_rptr(PBKDF2PARAM), | ||
| 267 | &keyfunc->parameter->value.sequence)) | ||
| 268 | goto merr; | ||
| 269 | keyfunc->parameter->type = V_ASN1_SEQUENCE; | ||
| 270 | |||
| 271 | PBKDF2PARAM_free(kdf); | ||
| 272 | return keyfunc; | ||
| 273 | |||
| 274 | merr: | ||
| 275 | ASN1err(ASN1_F_PKCS5_PBKDF2_SET,ERR_R_MALLOC_FAILURE); | ||
| 276 | PBKDF2PARAM_free(kdf); | ||
| 277 | X509_ALGOR_free(keyfunc); | ||
| 278 | return NULL; | ||
| 279 | } | ||
| 280 | |||
