diff options
Diffstat (limited to 'src/lib/libcrypto/asn1/p5_pbev2.c')
-rw-r--r-- | src/lib/libcrypto/asn1/p5_pbev2.c | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/src/lib/libcrypto/asn1/p5_pbev2.c b/src/lib/libcrypto/asn1/p5_pbev2.c deleted file mode 100644 index e0dc0ec4ee..0000000000 --- a/src/lib/libcrypto/asn1/p5_pbev2.c +++ /dev/null | |||
@@ -1,205 +0,0 @@ | |||
1 | /* p5_pbev2.c */ | ||
2 | /* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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 | |||
87 | X509_ALGOR *PKCS5_pbe2_set(const EVP_CIPHER *cipher, int iter, | ||
88 | unsigned char *salt, int saltlen) | ||
89 | { | ||
90 | X509_ALGOR *scheme = NULL, *kalg = NULL, *ret = NULL; | ||
91 | int alg_nid; | ||
92 | EVP_CIPHER_CTX ctx; | ||
93 | unsigned char iv[EVP_MAX_IV_LENGTH]; | ||
94 | PBKDF2PARAM *kdf = NULL; | ||
95 | PBE2PARAM *pbe2 = NULL; | ||
96 | ASN1_OCTET_STRING *osalt = NULL; | ||
97 | ASN1_OBJECT *obj; | ||
98 | |||
99 | alg_nid = EVP_CIPHER_type(cipher); | ||
100 | if(alg_nid == NID_undef) { | ||
101 | ASN1err(ASN1_F_PKCS5_PBE2_SET, | ||
102 | ASN1_R_CIPHER_HAS_NO_OBJECT_IDENTIFIER); | ||
103 | goto err; | ||
104 | } | ||
105 | obj = OBJ_nid2obj(alg_nid); | ||
106 | |||
107 | if(!(pbe2 = PBE2PARAM_new())) goto merr; | ||
108 | |||
109 | /* Setup the AlgorithmIdentifier for the encryption scheme */ | ||
110 | scheme = pbe2->encryption; | ||
111 | |||
112 | scheme->algorithm = obj; | ||
113 | if(!(scheme->parameter = ASN1_TYPE_new())) goto merr; | ||
114 | |||
115 | /* Create random IV */ | ||
116 | if (EVP_CIPHER_iv_length(cipher) && | ||
117 | RAND_pseudo_bytes(iv, EVP_CIPHER_iv_length(cipher)) < 0) | ||
118 | goto err; | ||
119 | |||
120 | EVP_CIPHER_CTX_init(&ctx); | ||
121 | |||
122 | /* Dummy cipherinit to just setup the IV */ | ||
123 | EVP_CipherInit_ex(&ctx, cipher, NULL, NULL, iv, 0); | ||
124 | if(EVP_CIPHER_param_to_asn1(&ctx, scheme->parameter) < 0) { | ||
125 | ASN1err(ASN1_F_PKCS5_PBE2_SET, | ||
126 | ASN1_R_ERROR_SETTING_CIPHER_PARAMS); | ||
127 | EVP_CIPHER_CTX_cleanup(&ctx); | ||
128 | goto err; | ||
129 | } | ||
130 | EVP_CIPHER_CTX_cleanup(&ctx); | ||
131 | |||
132 | if(!(kdf = PBKDF2PARAM_new())) goto merr; | ||
133 | if(!(osalt = M_ASN1_OCTET_STRING_new())) goto merr; | ||
134 | |||
135 | if (!saltlen) saltlen = PKCS5_SALT_LEN; | ||
136 | if (!(osalt->data = OPENSSL_malloc (saltlen))) goto merr; | ||
137 | osalt->length = saltlen; | ||
138 | if (salt) memcpy (osalt->data, salt, saltlen); | ||
139 | else if (RAND_pseudo_bytes (osalt->data, saltlen) < 0) goto merr; | ||
140 | |||
141 | if(iter <= 0) iter = PKCS5_DEFAULT_ITER; | ||
142 | if(!ASN1_INTEGER_set(kdf->iter, iter)) goto merr; | ||
143 | |||
144 | /* Now include salt in kdf structure */ | ||
145 | kdf->salt->value.octet_string = osalt; | ||
146 | kdf->salt->type = V_ASN1_OCTET_STRING; | ||
147 | osalt = NULL; | ||
148 | |||
149 | /* If its RC2 then we'd better setup the key length */ | ||
150 | |||
151 | if(alg_nid == NID_rc2_cbc) { | ||
152 | if(!(kdf->keylength = M_ASN1_INTEGER_new())) goto merr; | ||
153 | if(!ASN1_INTEGER_set (kdf->keylength, | ||
154 | EVP_CIPHER_key_length(cipher))) goto merr; | ||
155 | } | ||
156 | |||
157 | /* prf can stay NULL because we are using hmacWithSHA1 */ | ||
158 | |||
159 | /* Now setup the PBE2PARAM keyfunc structure */ | ||
160 | |||
161 | pbe2->keyfunc->algorithm = OBJ_nid2obj(NID_id_pbkdf2); | ||
162 | |||
163 | /* Encode PBKDF2PARAM into parameter of pbe2 */ | ||
164 | |||
165 | if(!(pbe2->keyfunc->parameter = ASN1_TYPE_new())) goto merr; | ||
166 | |||
167 | if(!ASN1_pack_string(kdf, i2d_PBKDF2PARAM, | ||
168 | &pbe2->keyfunc->parameter->value.sequence)) goto merr; | ||
169 | pbe2->keyfunc->parameter->type = V_ASN1_SEQUENCE; | ||
170 | |||
171 | PBKDF2PARAM_free(kdf); | ||
172 | kdf = NULL; | ||
173 | |||
174 | /* Now set up top level AlgorithmIdentifier */ | ||
175 | |||
176 | if(!(ret = X509_ALGOR_new())) goto merr; | ||
177 | if(!(ret->parameter = ASN1_TYPE_new())) goto merr; | ||
178 | |||
179 | ret->algorithm = OBJ_nid2obj(NID_pbes2); | ||
180 | |||
181 | /* Encode PBE2PARAM into parameter */ | ||
182 | |||
183 | if(!ASN1_pack_string(pbe2, i2d_PBE2PARAM, | ||
184 | &ret->parameter->value.sequence)) goto merr; | ||
185 | ret->parameter->type = V_ASN1_SEQUENCE; | ||
186 | |||
187 | PBE2PARAM_free(pbe2); | ||
188 | pbe2 = NULL; | ||
189 | |||
190 | return ret; | ||
191 | |||
192 | merr: | ||
193 | ASN1err(ASN1_F_PKCS5_PBE2_SET,ERR_R_MALLOC_FAILURE); | ||
194 | |||
195 | err: | ||
196 | PBE2PARAM_free(pbe2); | ||
197 | /* Note 'scheme' is freed as part of pbe2 */ | ||
198 | M_ASN1_OCTET_STRING_free(osalt); | ||
199 | PBKDF2PARAM_free(kdf); | ||
200 | X509_ALGOR_free(kalg); | ||
201 | X509_ALGOR_free(ret); | ||
202 | |||
203 | return NULL; | ||
204 | |||
205 | } | ||