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Side by Side Diff: openssl/crypto/dsa/dsa_vrf.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 /* crypto/dsa/dsa_vrf.c */ 1 /* crypto/dsa/dsa_vrf.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved. 3 * All rights reserved.
4 * 4 *
5 * This package is an SSL implementation written 5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com). 6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL. 7 * The implementation was written so as to conform with Netscapes SSL.
8 * 8 *
9 * This library is free for commercial and non-commercial use as long as 9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions 10 * the following conditions are aheared to. The following conditions
(...skipping 40 matching lines...) Expand 10 before | Expand all | Expand 10 after
51 * SUCH DAMAGE. 51 * SUCH DAMAGE.
52 * 52 *
53 * The licence and distribution terms for any publically available version or 53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be 54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence 55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.] 56 * [including the GNU Public Licence.]
57 */ 57 */
58 58
59 /* Original version from Steven Schoch <schoch@sheba.arc.nasa.gov> */ 59 /* Original version from Steven Schoch <schoch@sheba.arc.nasa.gov> */
60 60
61 #include <stdio.h>
62 #include "cryptlib.h" 61 #include "cryptlib.h"
63 #include <openssl/bn.h>
64 #include <openssl/dsa.h> 62 #include <openssl/dsa.h>
65 #include <openssl/rand.h>
66 #include <openssl/asn1.h>
67 #ifdef OPENSSL_FIPS
68 #include <openssl/fips.h>
69 #endif
70
71 #include <openssl/asn1_mac.h>
72 63
73 int DSA_do_verify(const unsigned char *dgst, int dgst_len, DSA_SIG *sig, 64 int DSA_do_verify(const unsigned char *dgst, int dgst_len, DSA_SIG *sig,
74 DSA *dsa) 65 DSA *dsa)
75 { 66 {
76 #ifdef OPENSSL_FIPS
77 if(FIPS_mode() && !(dsa->flags & DSA_FLAG_NON_FIPS_ALLOW))
78 {
79 DSAerr(DSA_F_DSA_DO_VERIFY, DSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_ MODE);
80 return 0;
81 }
82 #endif
83 return dsa->meth->dsa_do_verify(dgst, dgst_len, sig, dsa); 67 return dsa->meth->dsa_do_verify(dgst, dgst_len, sig, dsa);
84 } 68 }
69
70 /* data has already been hashed (probably with SHA or SHA-1). */
71 /* returns
72 * 1: correct signature
73 * 0: incorrect signature
74 * -1: error
75 */
76 int DSA_verify(int type, const unsigned char *dgst, int dgst_len,
77 const unsigned char *sigbuf, int siglen, DSA *dsa)
78 {
79 DSA_SIG *s;
80 int ret=-1;
81
82 s = DSA_SIG_new();
83 if (s == NULL) return(ret);
84 if (d2i_DSA_SIG(&s,&sigbuf,siglen) == NULL) goto err;
85 ret=DSA_do_verify(dgst,dgst_len,s,dsa);
86 err:
87 DSA_SIG_free(s);
88 return(ret);
89 }
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