Add Camellia. Do not enable this if you are not doing interop

testing.  It is not (yet) legal OpenPGP, is not interop tested yet
(obviously), and it's a great way to lose your data.  Just don't do
it.

cipher/camellia.h

@@ -0,0 +1,54 @@
+/* camellia.h	ver 1.2.0
+ *
+ * Copyright (C) 2006,2007
+ * NTT (Nippon Telegraph and Telephone Corporation).
+ *
+ * This program 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.
+ *
+ * This program 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 HEADER_CAMELLIA_H
+#define HEADER_CAMELLIA_H
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#define CAMELLIA_BLOCK_SIZE 16
+#define CAMELLIA_TABLE_BYTE_LEN 272
+#define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)
+
+typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN];
+
+
+void Camellia_Ekeygen(const int keyBitLength,
+		      const unsigned char *rawKey, 
+		      KEY_TABLE_TYPE keyTable);
+
+void Camellia_EncryptBlock(const int keyBitLength,
+			   const unsigned char *plaintext, 
+			   const KEY_TABLE_TYPE keyTable, 
+			   unsigned char *cipherText);
+
+void Camellia_DecryptBlock(const int keyBitLength, 
+			   const unsigned char *cipherText, 
+			   const KEY_TABLE_TYPE keyTable, 
+			   unsigned char *plaintext);
+
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif /* HEADER_CAMELLIA_H */