diff options
Diffstat (limited to 'crypto/openssl/crypto/dsa/dsa_ossl.c')
-rw-r--r-- | crypto/openssl/crypto/dsa/dsa_ossl.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/crypto/openssl/crypto/dsa/dsa_ossl.c b/crypto/openssl/crypto/dsa/dsa_ossl.c index cac42c3..37dd5fc 100644 --- a/crypto/openssl/crypto/dsa/dsa_ossl.c +++ b/crypto/openssl/crypto/dsa/dsa_ossl.c @@ -64,6 +64,7 @@ #include <openssl/dsa.h> #include <openssl/rand.h> #include <openssl/asn1.h> +#include <openssl/engine.h> static DSA_SIG *dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa); static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp); @@ -91,7 +92,7 @@ dsa_finish, NULL }; -DSA_METHOD *DSA_OpenSSL(void) +const DSA_METHOD *DSA_OpenSSL(void) { return &openssl_dsa_meth; } @@ -234,6 +235,11 @@ static int dsa_do_verify(const unsigned char *dgst, int dgst_len, DSA_SIG *sig, BIGNUM u1,u2,t1; BN_MONT_CTX *mont=NULL; int ret = -1; + if (!dsa->p || !dsa->q || !dsa->g) + { + DSAerr(DSA_F_DSA_DO_VERIFY,DSA_R_MISSING_PARAMETERS); + return -1; + } if ((ctx=BN_CTX_new()) == NULL) goto err; BN_init(&u1); |