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author | cvs2svn <admin@example.com> | 2013-02-14 15:11:46 +0000 |
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committer | cvs2svn <admin@example.com> | 2013-02-14 15:11:46 +0000 |
commit | 4e3fa45a631a6e86718bd97bbd9a30da083ab4bd (patch) | |
tree | c1e76e693e8d7ff23b9f398e8e4b2470ff4fa565 /src/lib/libcrypto/dsa/dsa_asn1.c | |
parent | 9822d929c08eed1446dc09464293449326730af2 (diff) | |
download | openbsd-4e3fa45a631a6e86718bd97bbd9a30da083ab4bd.tar.gz openbsd-4e3fa45a631a6e86718bd97bbd9a30da083ab4bd.tar.bz2 openbsd-4e3fa45a631a6e86718bd97bbd9a30da083ab4bd.zip |
This commit was manufactured by cvs2git to create branch 'OPENBSD_5_3'.
Diffstat (limited to 'src/lib/libcrypto/dsa/dsa_asn1.c')
-rw-r--r-- | src/lib/libcrypto/dsa/dsa_asn1.c | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/src/lib/libcrypto/dsa/dsa_asn1.c b/src/lib/libcrypto/dsa/dsa_asn1.c deleted file mode 100644 index 6058534374..0000000000 --- a/src/lib/libcrypto/dsa/dsa_asn1.c +++ /dev/null | |||
@@ -1,188 +0,0 @@ | |||
1 | /* dsa_asn1.c */ | ||
2 | /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL | ||
3 | * project 2000. | ||
4 | */ | ||
5 | /* ==================================================================== | ||
6 | * Copyright (c) 2000-2005 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/dsa.h> | ||
62 | #include <openssl/asn1.h> | ||
63 | #include <openssl/asn1t.h> | ||
64 | #include <openssl/rand.h> | ||
65 | |||
66 | /* Override the default new methods */ | ||
67 | static int sig_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, | ||
68 | void *exarg) | ||
69 | { | ||
70 | if(operation == ASN1_OP_NEW_PRE) { | ||
71 | DSA_SIG *sig; | ||
72 | sig = OPENSSL_malloc(sizeof(DSA_SIG)); | ||
73 | if (!sig) | ||
74 | { | ||
75 | DSAerr(DSA_F_SIG_CB, ERR_R_MALLOC_FAILURE); | ||
76 | return 0; | ||
77 | } | ||
78 | sig->r = NULL; | ||
79 | sig->s = NULL; | ||
80 | *pval = (ASN1_VALUE *)sig; | ||
81 | return 2; | ||
82 | } | ||
83 | return 1; | ||
84 | } | ||
85 | |||
86 | ASN1_SEQUENCE_cb(DSA_SIG, sig_cb) = { | ||
87 | ASN1_SIMPLE(DSA_SIG, r, CBIGNUM), | ||
88 | ASN1_SIMPLE(DSA_SIG, s, CBIGNUM) | ||
89 | } ASN1_SEQUENCE_END_cb(DSA_SIG, DSA_SIG) | ||
90 | |||
91 | IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA_SIG, DSA_SIG, DSA_SIG) | ||
92 | |||
93 | /* Override the default free and new methods */ | ||
94 | static int dsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, | ||
95 | void *exarg) | ||
96 | { | ||
97 | if(operation == ASN1_OP_NEW_PRE) { | ||
98 | *pval = (ASN1_VALUE *)DSA_new(); | ||
99 | if(*pval) return 2; | ||
100 | return 0; | ||
101 | } else if(operation == ASN1_OP_FREE_PRE) { | ||
102 | DSA_free((DSA *)*pval); | ||
103 | *pval = NULL; | ||
104 | return 2; | ||
105 | } | ||
106 | return 1; | ||
107 | } | ||
108 | |||
109 | ASN1_SEQUENCE_cb(DSAPrivateKey, dsa_cb) = { | ||
110 | ASN1_SIMPLE(DSA, version, LONG), | ||
111 | ASN1_SIMPLE(DSA, p, BIGNUM), | ||
112 | ASN1_SIMPLE(DSA, q, BIGNUM), | ||
113 | ASN1_SIMPLE(DSA, g, BIGNUM), | ||
114 | ASN1_SIMPLE(DSA, pub_key, BIGNUM), | ||
115 | ASN1_SIMPLE(DSA, priv_key, BIGNUM) | ||
116 | } ASN1_SEQUENCE_END_cb(DSA, DSAPrivateKey) | ||
117 | |||
118 | IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA, DSAPrivateKey, DSAPrivateKey) | ||
119 | |||
120 | ASN1_SEQUENCE_cb(DSAparams, dsa_cb) = { | ||
121 | ASN1_SIMPLE(DSA, p, BIGNUM), | ||
122 | ASN1_SIMPLE(DSA, q, BIGNUM), | ||
123 | ASN1_SIMPLE(DSA, g, BIGNUM), | ||
124 | } ASN1_SEQUENCE_END_cb(DSA, DSAparams) | ||
125 | |||
126 | IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA, DSAparams, DSAparams) | ||
127 | |||
128 | /* DSA public key is a bit trickier... its effectively a CHOICE type | ||
129 | * decided by a field called write_params which can either write out | ||
130 | * just the public key as an INTEGER or the parameters and public key | ||
131 | * in a SEQUENCE | ||
132 | */ | ||
133 | |||
134 | ASN1_SEQUENCE(dsa_pub_internal) = { | ||
135 | ASN1_SIMPLE(DSA, pub_key, BIGNUM), | ||
136 | ASN1_SIMPLE(DSA, p, BIGNUM), | ||
137 | ASN1_SIMPLE(DSA, q, BIGNUM), | ||
138 | ASN1_SIMPLE(DSA, g, BIGNUM) | ||
139 | } ASN1_SEQUENCE_END_name(DSA, dsa_pub_internal) | ||
140 | |||
141 | ASN1_CHOICE_cb(DSAPublicKey, dsa_cb) = { | ||
142 | ASN1_SIMPLE(DSA, pub_key, BIGNUM), | ||
143 | ASN1_EX_COMBINE(0, 0, dsa_pub_internal) | ||
144 | } ASN1_CHOICE_END_cb(DSA, DSAPublicKey, write_params) | ||
145 | |||
146 | IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA, DSAPublicKey, DSAPublicKey) | ||
147 | |||
148 | DSA *DSAparams_dup(DSA *dsa) | ||
149 | { | ||
150 | return ASN1_item_dup(ASN1_ITEM_rptr(DSAparams), dsa); | ||
151 | } | ||
152 | |||
153 | int DSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char *sig, | ||
154 | unsigned int *siglen, DSA *dsa) | ||
155 | { | ||
156 | DSA_SIG *s; | ||
157 | RAND_seed(dgst, dlen); | ||
158 | s=DSA_do_sign(dgst,dlen,dsa); | ||
159 | if (s == NULL) | ||
160 | { | ||
161 | *siglen=0; | ||
162 | return(0); | ||
163 | } | ||
164 | *siglen=i2d_DSA_SIG(s,&sig); | ||
165 | DSA_SIG_free(s); | ||
166 | return(1); | ||
167 | } | ||
168 | |||
169 | /* data has already been hashed (probably with SHA or SHA-1). */ | ||
170 | /* returns | ||
171 | * 1: correct signature | ||
172 | * 0: incorrect signature | ||
173 | * -1: error | ||
174 | */ | ||
175 | int DSA_verify(int type, const unsigned char *dgst, int dgst_len, | ||
176 | const unsigned char *sigbuf, int siglen, DSA *dsa) | ||
177 | { | ||
178 | DSA_SIG *s; | ||
179 | int ret=-1; | ||
180 | |||
181 | s = DSA_SIG_new(); | ||
182 | if (s == NULL) return(ret); | ||
183 | if (d2i_DSA_SIG(&s,&sigbuf,siglen) == NULL) goto err; | ||
184 | ret=DSA_do_verify(dgst,dgst_len,s,dsa); | ||
185 | err: | ||
186 | DSA_SIG_free(s); | ||
187 | return(ret); | ||
188 | } | ||