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authorRichard Levitte <levitte@openssl.org>2001-06-05 05:08:26 +0000
committerRichard Levitte <levitte@openssl.org>2001-06-05 05:08:26 +0000
commit4ae5099856741dd7cf365dbd2c1df45751dfbf4f (patch)
treec218683fb5358552e9e1f9ca7a38f4a0045f3914 /crypto/dsa/dsa_ossl.c
parent5c36f01000e38d11465259f81fc3c052d00d52e8 (diff)
downloadopenssl-4ae5099856741dd7cf365dbd2c1df45751dfbf4f.tar.gz
Add changes from the 0.9.6-stable branch.
Diffstat (limited to 'crypto/dsa/dsa_ossl.c')
-rw-r--r--crypto/dsa/dsa_ossl.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/crypto/dsa/dsa_ossl.c b/crypto/dsa/dsa_ossl.c
index 72878e193f..0ee172dd07 100644
--- a/crypto/dsa/dsa_ossl.c
+++ b/crypto/dsa/dsa_ossl.c
@@ -106,6 +106,11 @@ static DSA_SIG *dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa)
int i,reason=ERR_R_BN_LIB;
DSA_SIG *ret=NULL;
+ if (!dsa->p || !dsa->q || !dsa->g)
+ {
+ reason=DSA_R_MISSING_PARAMETERS;
+ goto err;
+ }
BN_init(&m);
BN_init(&xr);
s=BN_new();
@@ -168,6 +173,11 @@ static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp)
BIGNUM k,*kinv=NULL,*r=NULL;
int ret=0;
+ if (!dsa->p || !dsa->q || !dsa->g)
+ {
+ DSAerr(DSA_F_DSA_SIGN_SETUP,DSA_R_MISSING_PARAMETERS);
+ return 0;
+ }
if (ctx_in == NULL)
{
if ((ctx=BN_CTX_new()) == NULL) goto err;