1 files changed, 122 insertions, 0 deletions
diff --git a/extra/yassl/taocrypt/include/des.hpp b/extra/yassl/taocrypt/include/des.hpp
new file mode 100644
index 00000000000..127b8ddc6d5
--- /dev/null
+++ b/extra/yassl/taocrypt/include/des.hpp
@@ -0,0 +1,122 @@
+/* des.hpp                                
+ *
+ * Copyright (C) 2003 Sawtooth Consulting Ltd.
+ *
+ * This file is part of yaSSL.
+ *
+ * yaSSL 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.
+ *
+ * yaSSL 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
+ */
+
+/* des.hpp defines DES, DES_EDE2, and DES_EDE3
+   see FIPS 46-2 and FIPS 81
+*/
+
+
+#ifndef TAO_CRYPT_DES_HPP
+#define TAO_CRYPT_DES_HPP
+
+#include <string.h>
+#include "misc.hpp"
+#include "modes.hpp"
+
+namespace TaoCrypt {
+
+enum { DES_BLOCK_SIZE = 8 };
+
+// Base for all DES types
+class DES_BASE : public Mode_BASE {
+public:
+    enum { BLOCK_SIZE = DES_BLOCK_SIZE, KEY_SIZE = 32, BOXES = 8,
+           BOX_SIZE = 64 };
+
+    DES_BASE(CipherDir DIR, Mode MODE) 
+        : Mode_BASE(BLOCK_SIZE), dir_(DIR), mode_(MODE) {}
+
+    void Process(byte*, const byte*, word32);
+protected:
+    CipherDir dir_;
+    Mode      mode_;
+private:
+    DES_BASE(const DES_BASE&);              // hide copy
+    DES_BASE& operator=(const DES_BASE&);   // and assign
+};
+
+
+// DES 
+class DES : public DES_BASE {
+public:
+    DES(CipherDir DIR, Mode MODE) : DES_BASE(DIR, MODE) {}
+
+    void SetKey(const byte*, word32, CipherDir dir);
+    void RawProcessBlock(word32&, word32&) const;
+    void ProcessAndXorBlock(const byte*, const byte*, byte*) const;
+private:
+    word32 k_[KEY_SIZE];
+};
+
+
+// DES_EDE2
+class DES_EDE2 : public DES_BASE {
+public:
+    DES_EDE2(CipherDir DIR, Mode MODE) 
+        : DES_BASE(DIR, MODE), des1_(DIR, MODE), des2_(DIR, MODE) {}
+
+    void SetKey(const byte*, word32, CipherDir dir);
+    void ProcessAndXorBlock(const byte*, const byte*, byte*) const;
+private:
+    DES des1_;
+    DES des2_;
+};
+
+
+// DES_EDE3
+class DES_EDE3 : public DES_BASE {
+public:
+    DES_EDE3(CipherDir DIR, Mode MODE) 
+        : DES_BASE(DIR, MODE), des1_(DIR, MODE), des2_(DIR, MODE),
+                               des3_(DIR, MODE) {}
+
+    void SetKey(const byte*, word32, CipherDir dir);
+    void ProcessAndXorBlock(const byte*, const byte*, byte*) const;
+private:
+    DES des1_;
+    DES des2_;
+    DES des3_;
+};
+
+
+typedef BlockCipher<ENCRYPTION, DES, ECB> DES_ECB_Encryption;
+typedef BlockCipher<DECRYPTION, DES, ECB> DES_ECB_Decryption;
+
+typedef BlockCipher<ENCRYPTION, DES, CBC> DES_CBC_Encryption;
+typedef BlockCipher<DECRYPTION, DES, CBC> DES_CBC_Decryption;
+
+typedef BlockCipher<ENCRYPTION, DES_EDE2, ECB> DES_EDE2_ECB_Encryption;
+typedef BlockCipher<DECRYPTION, DES_EDE2, ECB> DES_EDE2_ECB_Decryption;
+
+typedef BlockCipher<ENCRYPTION, DES_EDE2, CBC> DES_EDE2_CBC_Encryption;
+typedef BlockCipher<DECRYPTION, DES_EDE2, CBC> DES_EDE2_CBC_Decryption;
+
+typedef BlockCipher<ENCRYPTION, DES_EDE3, ECB> DES_EDE3_ECB_Encryption;
+typedef BlockCipher<DECRYPTION, DES_EDE3, ECB> DES_EDE3_ECB_Decryption;
+
+typedef BlockCipher<ENCRYPTION, DES_EDE3, CBC> DES_EDE3_CBC_Encryption;
+typedef BlockCipher<DECRYPTION, DES_EDE3, CBC> DES_EDE3_CBC_Decryption;
+
+
+} // namespace
+
+
+#endif // TAO_CRYPT_DES_HPP