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Side by Side Diff: openssl/crypto/evp/p5_crpt.c

Issue 9254031: Upgrade chrome's OpenSSL to same version Android ships with. (Closed) Base URL: http://src.chromium.org/svn/trunk/deps/third_party/openssl/
Patch Set: '' Created 8 years, 11 months ago
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1 /* p5_crpt.c */ 1 /* p5_crpt.c */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL 2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 1999. 3 * project 1999.
4 */ 4 */
5 /* ==================================================================== 5 /* ====================================================================
6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
7 * 7 *
8 * Redistribution and use in source and binary forms, with or without 8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions 9 * modification, are permitted provided that the following conditions
10 * are met: 10 * are met:
(...skipping 44 matching lines...) Expand 10 before | Expand all | Expand 10 after
55 * Hudson (tjh@cryptsoft.com). 55 * Hudson (tjh@cryptsoft.com).
56 * 56 *
57 */ 57 */
58 58
59 #include <stdio.h> 59 #include <stdio.h>
60 #include <stdlib.h> 60 #include <stdlib.h>
61 #include "cryptlib.h" 61 #include "cryptlib.h"
62 #include <openssl/x509.h> 62 #include <openssl/x509.h>
63 #include <openssl/evp.h> 63 #include <openssl/evp.h>
64 64
65 /* PKCS#5 v1.5 compatible PBE functions: see PKCS#5 v2.0 for more info. 65 /* Doesn't do anything now: Builtin PBE algorithms in static table.
66 */ 66 */
67 67
68 void PKCS5_PBE_add(void) 68 void PKCS5_PBE_add(void)
69 { 69 {
70 #ifndef OPENSSL_NO_DES
71 # ifndef OPENSSL_NO_MD5
72 EVP_PBE_alg_add(NID_pbeWithMD5AndDES_CBC, EVP_des_cbc(), EVP_md5(),
73 PKCS5_PBE_keyivgen);
74 # endif
75 # ifndef OPENSSL_NO_MD2
76 EVP_PBE_alg_add(NID_pbeWithMD2AndDES_CBC, EVP_des_cbc(), EVP_md2(),
77 PKCS5_PBE_keyivgen);
78 # endif
79 # ifndef OPENSSL_NO_SHA
80 EVP_PBE_alg_add(NID_pbeWithSHA1AndDES_CBC, EVP_des_cbc(), EVP_sha1(),
81 PKCS5_PBE_keyivgen);
82 # endif
83 #endif
84 #ifndef OPENSSL_NO_RC2
85 # ifndef OPENSSL_NO_MD5
86 EVP_PBE_alg_add(NID_pbeWithMD5AndRC2_CBC, EVP_rc2_64_cbc(), EVP_md5(),
87 PKCS5_PBE_keyivgen);
88 # endif
89 # ifndef OPENSSL_NO_MD2
90 EVP_PBE_alg_add(NID_pbeWithMD2AndRC2_CBC, EVP_rc2_64_cbc(), EVP_md2(),
91 PKCS5_PBE_keyivgen);
92 # endif
93 # ifndef OPENSSL_NO_SHA
94 EVP_PBE_alg_add(NID_pbeWithSHA1AndRC2_CBC, EVP_rc2_64_cbc(), EVP_sha1(),
95 PKCS5_PBE_keyivgen);
96 # endif
97 #endif
98 #ifndef OPENSSL_NO_HMAC
99 EVP_PBE_alg_add(NID_pbes2, NULL, NULL, PKCS5_v2_PBE_keyivgen);
100 #endif
101 } 70 }
102 71
103 int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *cctx, const char *pass, int passlen, 72 int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *cctx, const char *pass, int passlen,
104 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_M D *md, 73 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_M D *md,
105 int en_de) 74 int en_de)
106 { 75 {
107 EVP_MD_CTX ctx; 76 EVP_MD_CTX ctx;
108 unsigned char md_tmp[EVP_MAX_MD_SIZE]; 77 unsigned char md_tmp[EVP_MAX_MD_SIZE];
109 unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH]; 78 unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH];
110 int i; 79 int i;
111 PBEPARAM *pbe; 80 PBEPARAM *pbe;
112 int saltlen, iter; 81 int saltlen, iter;
113 unsigned char *salt; 82 unsigned char *salt;
114 const unsigned char *pbuf; 83 const unsigned char *pbuf;
84 int mdsize;
115 85
116 /* Extract useful info from parameter */ 86 /* Extract useful info from parameter */
117 if (param == NULL || param->type != V_ASN1_SEQUENCE || 87 if (param == NULL || param->type != V_ASN1_SEQUENCE ||
118 param->value.sequence == NULL) { 88 param->value.sequence == NULL) {
119 EVPerr(EVP_F_PKCS5_PBE_KEYIVGEN,EVP_R_DECODE_ERROR); 89 EVPerr(EVP_F_PKCS5_PBE_KEYIVGEN,EVP_R_DECODE_ERROR);
120 return 0; 90 return 0;
121 } 91 }
122 92
123 pbuf = param->value.sequence->data; 93 pbuf = param->value.sequence->data;
124 if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) { 94 if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) {
125 EVPerr(EVP_F_PKCS5_PBE_KEYIVGEN,EVP_R_DECODE_ERROR); 95 EVPerr(EVP_F_PKCS5_PBE_KEYIVGEN,EVP_R_DECODE_ERROR);
126 return 0; 96 return 0;
127 } 97 }
128 98
129 if (!pbe->iter) iter = 1; 99 if (!pbe->iter) iter = 1;
130 else iter = ASN1_INTEGER_get (pbe->iter); 100 else iter = ASN1_INTEGER_get (pbe->iter);
131 salt = pbe->salt->data; 101 salt = pbe->salt->data;
132 saltlen = pbe->salt->length; 102 saltlen = pbe->salt->length;
133 103
134 if(!pass) passlen = 0; 104 if(!pass) passlen = 0;
135 else if(passlen == -1) passlen = strlen(pass); 105 else if(passlen == -1) passlen = strlen(pass);
136 106
137 EVP_MD_CTX_init(&ctx); 107 EVP_MD_CTX_init(&ctx);
138 EVP_DigestInit_ex(&ctx, md, NULL); 108 EVP_DigestInit_ex(&ctx, md, NULL);
139 EVP_DigestUpdate(&ctx, pass, passlen); 109 EVP_DigestUpdate(&ctx, pass, passlen);
140 EVP_DigestUpdate(&ctx, salt, saltlen); 110 EVP_DigestUpdate(&ctx, salt, saltlen);
141 PBEPARAM_free(pbe); 111 PBEPARAM_free(pbe);
142 EVP_DigestFinal_ex(&ctx, md_tmp, NULL); 112 EVP_DigestFinal_ex(&ctx, md_tmp, NULL);
113 mdsize = EVP_MD_size(md);
114 if (mdsize < 0)
115 return 0;
143 for (i = 1; i < iter; i++) { 116 for (i = 1; i < iter; i++) {
144 EVP_DigestInit_ex(&ctx, md, NULL); 117 EVP_DigestInit_ex(&ctx, md, NULL);
145 » » EVP_DigestUpdate(&ctx, md_tmp, EVP_MD_size(md)); 118 » » EVP_DigestUpdate(&ctx, md_tmp, mdsize);
146 EVP_DigestFinal_ex (&ctx, md_tmp, NULL); 119 EVP_DigestFinal_ex (&ctx, md_tmp, NULL);
147 } 120 }
148 EVP_MD_CTX_cleanup(&ctx); 121 EVP_MD_CTX_cleanup(&ctx);
149 OPENSSL_assert(EVP_CIPHER_key_length(cipher) <= (int)sizeof(md_tmp)); 122 OPENSSL_assert(EVP_CIPHER_key_length(cipher) <= (int)sizeof(md_tmp));
150 memcpy(key, md_tmp, EVP_CIPHER_key_length(cipher)); 123 memcpy(key, md_tmp, EVP_CIPHER_key_length(cipher));
151 OPENSSL_assert(EVP_CIPHER_iv_length(cipher) <= 16); 124 OPENSSL_assert(EVP_CIPHER_iv_length(cipher) <= 16);
152 memcpy(iv, md_tmp + (16 - EVP_CIPHER_iv_length(cipher)), 125 memcpy(iv, md_tmp + (16 - EVP_CIPHER_iv_length(cipher)),
153 EVP_CIPHER_iv_length(cipher)); 126 EVP_CIPHER_iv_length(cipher));
154 EVP_CipherInit_ex(cctx, cipher, NULL, key, iv, en_de); 127 EVP_CipherInit_ex(cctx, cipher, NULL, key, iv, en_de);
155 OPENSSL_cleanse(md_tmp, EVP_MAX_MD_SIZE); 128 OPENSSL_cleanse(md_tmp, EVP_MAX_MD_SIZE);
156 OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH); 129 OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH);
157 OPENSSL_cleanse(iv, EVP_MAX_IV_LENGTH); 130 OPENSSL_cleanse(iv, EVP_MAX_IV_LENGTH);
158 return 1; 131 return 1;
159 } 132 }
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