can create v4 signatures

cipher/rand-internal.h

@@ -0,0 +1,53 @@
+/* rand-internal.h - header to glue the random functions
+ *	Copyright (C) 1998 Free Software Foundation, Inc.
+ *
+ * This file is part of GNUPG.
+ *
+ * GNUPG 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.
+ *
+ * GNUPG is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+#ifndef G10_RAND_INTERNAL_H
+#define G10_RAND_INTERNAL_H
+
+/* For now we use the DUMMY random generator if we do not have
+ * the real random device */
+#ifndef HAVE_DEV_RANDOM
+  #define USE_RAND_DUMMY 1
+  #undef  USE_RAND_UNIX
+  #undef  USE_RAND_W32
+#endif
+
+
+
+#include "random.h"
+
+#define BLOCKLEN  64   /* hash this amount of bytes */
+#define DIGESTLEN 20   /* into a digest of this length (rmd160) */
+/* poolblocks is the number of digests which make up the pool
+ * and poolsize must be a multiple of the digest length
+ * to make the AND operations faster, the size should also be
+ * a multiple of ulong
+ */
+#define POOLBLOCKS 30
+#define POOLSIZE (POOLBLOCKS*DIGESTLEN)
+#if (POOLSIZE % SIZEOF_UNSIGNED_LONG)
+  #error Please make sure that poolsize is a multiple of ulong
+#endif
+#define POOLWORDS (POOLSIZE / SIZEOF_UNSIGNED_LONG)
+
+
+void read_random_source( byte *buffer, size_t length, int level );
+
+
+#endif /*G10_RAND_INTERNAL_H*/