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authormarha <marha@users.sourceforge.net>2011-01-23 20:17:10 +0000
committermarha <marha@users.sourceforge.net>2011-01-23 20:17:10 +0000
commit1b639dab951fb73d5031aa0c1afb13e8480d1dae (patch)
tree4e13a4d1e4c609bd01d0bf5d65c6a8acdc3d0c50 /openssl/crypto/dsa/dsa_ossl.c
parent51181fb7f4d135d214974bb6611d51f21475eec8 (diff)
parentb680cf39ed5bc37e0eb7eb86ad8599bf92df3f2b (diff)
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svn merge ^/branches/released .
Diffstat (limited to 'openssl/crypto/dsa/dsa_ossl.c')
-rw-r--r--openssl/crypto/dsa/dsa_ossl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/openssl/crypto/dsa/dsa_ossl.c b/openssl/crypto/dsa/dsa_ossl.c
index 4fead07e8..1fb665ec5 100644
--- a/openssl/crypto/dsa/dsa_ossl.c
+++ b/openssl/crypto/dsa/dsa_ossl.c
@@ -185,7 +185,7 @@ static DSA_SIG *dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa)
if (!BN_mod_mul(&xr,dsa->priv_key,r,dsa->q,ctx)) goto err;/* s = xr */
if (!BN_add(s, &xr, &m)) goto err; /* s = m + xr */
if (BN_cmp(s,dsa->q) > 0)
- BN_sub(s,s,dsa->q);
+ if (!BN_sub(s,s,dsa->q)) goto err;
if (!BN_mod_mul(s,s,kinv,dsa->q,ctx)) goto err;
ret=DSA_SIG_new();