buffer size of rsa_verify

ChangeLog

@@ -1,5 +1,7 @@
 2012-05-31  Niibe Yutaka  <gniibe@fsij.org>
 
+	* polarssl-0.14.0/library/rsa.c (rsa_pkcs1_verify): BUF size is
+	256 (was: 1024).
 	* src/call-rsa.c (rsa_verify): It's SIG_RSA_SHA1.
 	* src/openpgp.c (cmd_external_authenticate): Follow the change of
 	rsa_verify.

polarssl-0.14.0/library/rsa.c

@@ -542,7 +542,7 @@ int rsa_pkcs1_verify( rsa_context *ctx,
 {
     int ret, len, siglen;
     unsigned char *p, c;
-    unsigned char buf[1024];
+    unsigned char buf[256];
 
     siglen = ctx->len;