Diff: des3.h

Revision:

0:5045d2638c29

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/des3.h	Sat Feb 05 01:09:17 2011 +0000
@@ -0,0 +1,75 @@
+/* des3.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 NO_DES3
+
+#ifndef CTAO_CRYPT_DES3_H
+#define CTAO_CRYPT_DES3_H
+
+
+#include "types.h"
+
+
+#ifdef __cplusplus
+    extern "C" {
+#endif
+
+enum {
+    DES_BLOCK_SIZE  = 8,
+    DES_KS_SIZE     = 32,
+
+    DES_ENCRYPTION  = 0,
+    DES_DECRYPTION  = 1,
+};
+
+
+/* DES encryption and decryption */
+typedef struct Des {
+    word32 key[DES_KS_SIZE];
+    word32 reg[DES_BLOCK_SIZE / sizeof(word32)];      /* for CBC mode */
+    word32 tmp[DES_BLOCK_SIZE / sizeof(word32)];      /* same         */
+} Des;
+
+
+/* DES3 encryption and decryption */
+typedef struct Des3 {
+    word32 key[3][DES_KS_SIZE];
+    word32 reg[DES_BLOCK_SIZE / sizeof(word32)];      /* for CBC mode */
+    word32 tmp[DES_BLOCK_SIZE / sizeof(word32)];      /* same         */
+} Des3;
+
+
+void Des_SetKey(Des* des, const byte* key, const byte* iv, int dir);
+void Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz);
+void Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz);
+
+void Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir);
+void Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz);
+void Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz);
+
+
+#ifdef __cplusplus
+    } /* extern "C" */
+#endif
+
+#endif /* NO_DES3 */
+#endif /* CTAO_CRYPT_DES3_H */
+