X-Git-Url: http://git.silcnet.org/gitweb/?p=silc.git;a=blobdiff_plain;f=lib%2Fsilccore%2Fsilcauth.c;h=38a1a961392e87fe668cd7110f48dc0418990780;hp=1beacd44153519d2bd82d0cbf03444ed06bf25c8;hb=382d15d447b7a95390decfa783836ae4fe255b3d;hpb=6063809b7fa992b9f1b34ac85fdaacb21e7abbcd

diff --git a/lib/silccore/silcauth.c b/lib/silccore/silcauth.c
index 1beacd44..38a1a961 100644
--- a/lib/silccore/silcauth.c
+++ b/lib/silccore/silcauth.c
@@ -1,6 +1,6 @@
 /*
 
-  silcauth.c
+  silcauth.c 
 
   Author: Pekka Riikonen <priikone@silcnet.org>
 
@@ -8,8 +8,7 @@
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 2 of the License, or
-  (at your option) any later version.
+  the Free Software Foundation; version 2 of the License.
 
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -224,6 +223,7 @@ silc_auth_public_key_encode_data(SilcPublicKey public_key,
   if (ret_len)
     *ret_len = buf->len;
 
+  silc_buffer_clear(buf);
   silc_buffer_free(buf);
   silc_free(id_data);
   silc_free(pk);
@@ -241,7 +241,7 @@ SilcBuffer silc_auth_public_key_auth_generate(SilcPublicKey public_key,
 					      const void *id, SilcIdType type)
 {
   unsigned char *randomdata;
-  unsigned char auth_data[1024];
+  unsigned char auth_data[2048 + 1];
   SilcUInt32 auth_len;
   unsigned char *tmp;
   SilcUInt32 tmp_len;
@@ -265,7 +265,7 @@ SilcBuffer silc_auth_public_key_auth_generate(SilcPublicKey public_key,
     return NULL;
 
   /* Allocate PKCS object */
-  if (!silc_pkcs_alloc(public_key->name, &pkcs)) {
+  if (!silc_pkcs_alloc(private_key->name, &pkcs)) {
     memset(tmp, 0, tmp_len);
     silc_free(tmp);
     return NULL;
@@ -274,7 +274,8 @@ SilcBuffer silc_auth_public_key_auth_generate(SilcPublicKey public_key,
   silc_pkcs_private_key_set(pkcs, private_key);
 
   /* Compute the hash and the signature. */
-  if (!silc_pkcs_sign_with_hash(pkcs, hash, tmp, tmp_len, auth_data,
+  if (silc_pkcs_get_key_len(pkcs) / 8 > sizeof(auth_data) - 1 ||
+      !silc_pkcs_sign_with_hash(pkcs, hash, tmp, tmp_len, auth_data,
 				&auth_len)) {
     memset(randomdata, 0, 256);
     memset(tmp, 0, tmp_len);