Diff: arc4.h

Revision:

0:5045d2638c29

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/arc4.h	Sat Feb 05 01:09:17 2011 +0000
@@ -0,0 +1,56 @@
+/* arc4.h
+ *
+ * Copyright (C) 2006-2009 Sawtooth Consulting Ltd.
+ *
+ * This file is part of CyaSSL.
+ *
+ * CyaSSL 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.
+ *
+ * CyaSSL 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 CTAO_CRYPT_ARC4_H
+#define CTAO_CRYPT_ARC4_H
+
+
+#include "types.h"
+
+
+#ifdef __cplusplus
+    extern "C" {
+#endif
+
+
+enum {
+    ARC4_STATE_SIZE = 256
+};
+
+/* ARC4 encryption and decryption */
+typedef struct Arc4 {
+    byte x;
+    byte y;
+    byte state[ARC4_STATE_SIZE];
+} Arc4;
+
+void Arc4Process(Arc4*, byte*, const byte*, word32);
+void Arc4SetKey(Arc4*, const byte*, word32);
+
+
+#ifdef __cplusplus
+    } /* extern "C" */
+#endif
+
+
+#endif /* CTAO_CRYPT_ARC4_H */
+