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Viewing changes to crypto/dsa/dsa_vrf.c

  • Committer: Bazaar Package Importer
  • Author(s): Kurt Roeckx
  • Date: 2009-06-13 18:15:46 UTC
  • mto: (11.1.5 squeeze)
  • mto: This revision was merged to the branch mainline in revision 34.
  • Revision ID: james.westby@ubuntu.com-20090613181546-vbfntai3b009dl1u
Tags: upstream-0.9.8k
Import upstream version 0.9.8k

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crypto/dsa/dsa_vrf.c
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#include <openssl/dsa.h>
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#include <openssl/rand.h>
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#include <openssl/asn1.h>
 
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#ifdef OPENSSL_FIPS
 
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#include <openssl/fips.h>
 
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#endif
 
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#include <openssl/asn1_mac.h>
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int DSA_do_verify(const unsigned char *dgst, int dgst_len, DSA_SIG *sig,
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                  DSA *dsa)
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        {
 
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#ifdef OPENSSL_FIPS
 
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        if(FIPS_mode() && !(dsa->flags & DSA_FLAG_NON_FIPS_ALLOW))
 
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                {
 
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                DSAerr(DSA_F_DSA_DO_VERIFY, DSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE);
 
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                return 0;
 
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                }
 
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#endif
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        return dsa->meth->dsa_do_verify(dgst, dgst_len, sig, dsa);
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        }
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/* data has already been hashed (probably with SHA or SHA-1). */
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/* returns
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 *      1: correct signature
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 *      0: incorrect signature
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 *     -1: error
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 */
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int DSA_verify(int type, const unsigned char *dgst, int dgst_len,
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             const unsigned char *sigbuf, int siglen, DSA *dsa)
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        {
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        DSA_SIG *s;
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        int ret=-1;
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        s = DSA_SIG_new();
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        if (s == NULL) return(ret);
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        if (d2i_DSA_SIG(&s,&sigbuf,siglen) == NULL) goto err;
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        ret=DSA_do_verify(dgst,dgst_len,s,dsa);
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err:
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        DSA_SIG_free(s);
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        return(ret);
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        }