diff options
Diffstat (limited to 'openssl/crypto/dsa/dsa_vrf.c')
| -rw-r--r-- | openssl/crypto/dsa/dsa_vrf.c | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/openssl/crypto/dsa/dsa_vrf.c b/openssl/crypto/dsa/dsa_vrf.c index c75e42304..226a75ff3 100644 --- a/openssl/crypto/dsa/dsa_vrf.c +++ b/openssl/crypto/dsa/dsa_vrf.c @@ -58,27 +58,32 @@ /* Original version from Steven Schoch <schoch@sheba.arc.nasa.gov> */ -#include <stdio.h> #include "cryptlib.h" -#include <openssl/bn.h> #include <openssl/dsa.h> -#include <openssl/rand.h> -#include <openssl/asn1.h> -#ifdef OPENSSL_FIPS -#include <openssl/fips.h> -#endif - -#include <openssl/asn1_mac.h> int DSA_do_verify(const unsigned char *dgst, int dgst_len, DSA_SIG *sig, DSA *dsa) { -#ifdef OPENSSL_FIPS - if(FIPS_mode() && !(dsa->flags & DSA_FLAG_NON_FIPS_ALLOW)) - { - DSAerr(DSA_F_DSA_DO_VERIFY, DSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE); - return 0; - } -#endif return dsa->meth->dsa_do_verify(dgst, dgst_len, sig, dsa); } + +/* data has already been hashed (probably with SHA or SHA-1). */ +/* returns + * 1: correct signature + * 0: incorrect signature + * -1: error + */ +int DSA_verify(int type, const unsigned char *dgst, int dgst_len, + const unsigned char *sigbuf, int siglen, DSA *dsa) + { + DSA_SIG *s; + int ret=-1; + + s = DSA_SIG_new(); + if (s == NULL) return(ret); + if (d2i_DSA_SIG(&s,&sigbuf,siglen) == NULL) goto err; + ret=DSA_do_verify(dgst,dgst_len,s,dsa); +err: + DSA_SIG_free(s); + return(ret); + } |