GPG blowfish implementation integrated by jdassen@wi.leidenuniv.nl.

Rev: src/symmetric/blowfish.c:1.1
Rev: src/symmetric/include/blowfish.h:1.1
Rev: src/symmetric/include/types.h:1.1
Rev: src/symmetric/util.c:1.1
Rev: src/symmetric/util.h:1.1

include/blowfish.h

+/* blowfish.h
+ *	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
+ */
+
+/*
+ * Modifications for lsh by Ray Dassen
+ */
+
+#ifndef G10_BLOWFISH_H
+#define G10_BLOWFISH_H
+
+#include "types.h"
+
+#define CIPHER_ALGO_BLOWFISH     4  /* blowfish 128 bit key */
+
+#define BLOWFISH_ROUNDS 16
+
+typedef struct {
+    u32 s0[256];
+    u32 s1[256];
+    u32 s2[256];
+    u32 s3[256];
+    u32 p[BLOWFISH_ROUNDS+2];
+} BLOWFISH_context;
+
+
+const char *
+blowfish_get_info( int algo, size_t *keylen,
+		   size_t *blocksize, size_t *contextsize,
+		   int	(**setkey)( void *c, const byte *key, unsigned keylen ),
+		   void (**encrypt)( void *c, byte *outbuf, const byte *inbuf ),
+		   void (**decrypt)( void *c, byte *outbuf, const byte *inbuf )
+		 );
+
+#endif /*G10_BLOWFISH_H*/

include/types.h

+#ifndef _TYPES_H
+#define _TYPES_H
+
+/* Define types for GPG code */
+
+#include "lsh_types.h"
+
+typedef UINT8 byte;
+
+typedef UINT32 u32;
+
+#endif /* _TYPES_H */

util.c

+#include "util.h"
+
+#include <stdarg.h>	/* For the va_* stuff */
+#include <stdlib.h>	/* For EXIT_FAILURE */
+#include "../werror.h"
+
+void log_bug(const char *format, ... ) {
+	va_list args;
+	  
+	va_start(args, format);
+	werror(format, args);
+	va_end(args);
+}
+
+void log_error(const char *format, ... ) {
+	va_list args;
+	  
+	va_start(args, format);
+	werror(format, args);
+	va_end(args);
+}
+
+void log_fatal(const char *format, ... ) {
+	va_list args;
+	  
+	va_start(args, format);
+	log_error(format, args);
+	va_end(args);
+	
+	exit(EXIT_FAILURE);
+}

util.h

+#ifndef _UTIL_H
+#define _UTIL_H
+
+/* Bridge from GPG style to lsh style */
+#include "lsh_types.h"
+
+/* Report a bug (TODO: do what afterwards? ) */
+void log_bug(const char *fmt, ... ) PRINTF_STYLE(1,2);
+
+/* Report an error */
+void log_error(const char *fmt, ... ) PRINTF_STYLE(1,2);
+
+/* Report a fatal error and die */
+void log_fatal(const char *fmt, ... ) PRINTF_STYLE(1,2) NORETURN;
+
+#ifndef G10ERR_WEAK_KEY
+  #define G10ERR_WEAK_KEY 43
+#elif G10ERR_WEAK_KEY != 43
+  #error G10ERR_WEAK_KEY is defined to a wrong value.
+#endif
+
+#endif /* _UTIL_H */