PR: 2375

[openssl.git] / engines / e_ubsec.c

diff --git a/engines/e_ubsec.c b/engines/e_ubsec.c
index fe6bdba25b414b0c9febfe92b83819c8b0f36a8f..aa5709bd8cf5912cf0fa4856d4a45497e5bbd73a 100644 (file)
--- a/engines/e_ubsec.c
+++ b/engines/e_ubsec.c
@@ -302,8 +302,8 @@ static t_UBSEC_diffie_hellman_generate_ioctl
        *p_UBSEC_diffie_hellman_generate_ioctl = NULL;
 static t_UBSEC_diffie_hellman_agree_ioctl *p_UBSEC_diffie_hellman_agree_ioctl = NULL;
 #endif
-static t_UBSEC_rsa_mod_exp_ioctl *p_UBSEC_rsa_mod_exp_ioctl = NULL;
 #ifndef OPENSSL_NO_RSA
+static t_UBSEC_rsa_mod_exp_ioctl *p_UBSEC_rsa_mod_exp_ioctl = NULL;
 static t_UBSEC_rsa_mod_exp_crt_ioctl *p_UBSEC_rsa_mod_exp_crt_ioctl = NULL;
 #endif
 #ifndef OPENSSL_NO_DSA
@@ -630,10 +630,8 @@ 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. */
@@ -935,7 +933,7 @@ 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));
@@ -950,7 +948,7 @@ 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