3.13

7zip/Crypto/AES/aescpp.h

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+
+/*
+ -------------------------------------------------------------------------
+ Copyright (c) 2001, Dr Brian Gladman <brg@gladman.uk.net>, Worcester, UK.
+ All rights reserved.
+
+ TERMS
+
+ Redistribution and use in source and binary forms, with or without 
+ modification, are permitted subject to the following conditions:
+
+  1. Redistributions of source code must retain the above copyright 
+     notice, this list of conditions and the following disclaimer. 
+
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the 
+     documentation and/or other materials provided with the distribution. 
+
+  3. The copyright holder's name must not be used to endorse or promote 
+     any products derived from this software without his specific prior 
+     written permission. 
+
+ This software is provided 'as is' with no express or implied warranties 
+ of correctness or fitness for purpose.
+ -------------------------------------------------------------------------
+ Issue Date: 21/01/2002
+
+ This file contains the definitions required to use AES (Rijndael) in C++.
+*/
+
+#ifndef _AESCPP_H
+#define _AESCPP_H
+
+#include "aes.h"
+
+class AESclass
+{   aes_ctx cx[1];
+public:
+#if defined(BLOCK_SIZE)
+    AESclass()                          { cx->n_blk = BLOCK_SIZE; cx->n_rnd = 0; }
+#else
+    AESclass(unsigned int blen = 16)    { cx->n_blk = blen; cx->n_rnd = 0; }
+    aes_rval blk_len(unsigned int blen) { return aes_blk_len(blen, cx); }
+#endif
+    aes_rval enc_key(const unsigned char in_key[], unsigned int klen)
+            { return aes_enc_key(in_key, klen, cx); }
+    aes_rval dec_key(const unsigned char in_key[], unsigned int klen)
+            { return aes_dec_key(in_key, klen, cx); }
+    aes_rval enc_blk(const unsigned char in_blk[], unsigned char out_blk[])
+            { return aes_enc_blk(in_blk, out_blk, cx); }
+    aes_rval dec_blk(const unsigned char in_blk[], unsigned char out_blk[])
+            { return aes_dec_blk(in_blk, out_blk, cx); }
+};
+
+#endif