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// advanced encryption standard
// author: karl malbrain, malbrain@yahoo.com
/*
This work, including the source code, documentation
and related data, is placed into the public domain.
The orginal author is Karl Malbrain.
THIS SOFTWARE IS PROVIDED AS-IS WITHOUT WARRANTY
OF ANY KIND, NOT EVEN THE IMPLIED WARRANTY OF
MERCHANTABILITY. THE AUTHOR OF THIS SOFTWARE,
ASSUMES _NO_ RESPONSIBILITY FOR ANY CONSEQUENCE
RESULTING FROM THE USE, MODIFICATION, OR
REDISTRIBUTION OF THIS SOFTWARE.
*/
#ifndef AES_MALBRAIN
#define AES_MALBRAIN
// AES only supports Nb=4
#define Nb 4 // number of columns in the state & expanded key
#define Nk 4 // number of columns in a key
#define Nr 10 // number of rounds in encryption
typedef unsigned char uchar;
void ExpandKey (uchar *key, uchar *expkey);
void Encrypt (uchar *in, uchar *expkey, uchar *out);
void Decrypt (uchar *in, uchar *expkey, uchar *out);
#endif /* AES_MALBRAIN */
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