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[oweals/openssl.git] / engines / e_ubsec.c

diff --git a/engines/e_ubsec.c b/engines/e_ubsec.c
index 8b6c98bafa20b47ef09928450ddc2b2d5bc6c451..f1c81013b189df6292a24ac7a5d2f7d8871578d5 100644 (file)
--- a/engines/e_ubsec.c
+++ b/engines/e_ubsec.c
@@ -631,10 +631,8 @@ static int ubsec_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
                        const BIGNUM *dq, const BIGNUM *qinv, BN_CTX *ctx)
        {
        int     y_len,
-               m_len,
                fd;
 
-       m_len = BN_num_bytes(p) + BN_num_bytes(q) + 1;
        y_len = BN_num_bits(p) + BN_num_bits(q);
 
        /* Check if hardware can't handle this argument. */
@@ -822,11 +820,11 @@ static int ubsec_dsa_verify(const unsigned char *dgst, int dgst_len,
        int v_len, d_len;
        int to_return = 0;
        int fd;
-       BIGNUM v;
+       BIGNUM v, *pv = &v;
 
        BN_init(&v);
 
-       if(!bn_wexpand(&v, dsa->p->top)) {
+       if(!bn_wexpand(pv, dsa->p->top)) {
                UBSECerr(UBSEC_F_UBSEC_DSA_VERIFY, UBSEC_R_BN_EXPAND_FAIL);
                goto err;
        }
@@ -934,7 +932,7 @@ static int ubsec_dh_generate_key(DH *dh)
                 priv_key = BN_new();
                 if (priv_key == NULL) goto err;
                 priv_key_len = BN_num_bits(dh->p);
-                bn_wexpand(priv_key, dh->p->top);
+                if(bn_wexpand(priv_key, dh->p->top) == NULL) goto err;
                 do
                         if (!BN_rand_range(priv_key, dh->p)) goto err;
                 while (BN_is_zero(priv_key));
@@ -949,7 +947,7 @@ static int ubsec_dh_generate_key(DH *dh)
                 {
                 pub_key = BN_new();
                 pub_key_len = BN_num_bits(dh->p);
-                bn_wexpand(pub_key, dh->p->top);
+                if(bn_wexpand(pub_key, dh->p->top) == NULL) goto err;
                 if(pub_key == NULL) goto err;
                 }
         else