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#ifndef _IDEA_DEFINED
#define _IDEA_DEFINED
/* Defines for the PGP-style types used in IDEA.C */
#include <stdint.h>
#define byte uint8_t
#define word16 uint16_t
#define word32 uint32_t
/* Macros from PGP */
#define burn(x) memset( x, 0, sizeof( x ) )
/* IDEA algorithm constants */
#define IDEAKEYSIZE 16
#define IDEABLOCKSIZE 8
#define IDEAROUNDS 8
#define IDEAKEYLEN ( 6 * IDEAROUNDS + 4 )
/* Routines used to implement the IDEA encryption */
void ideaExpandKey( byte const *userkey, word16 *EK );
void ideaInvertKey( word16 const *EK, word16 DK[IDEAKEYLEN] );
void ideaCipher( byte const (inbuf[8]), byte (outbuf[8]), word16 const *key );
#endif /* _IDEA_DEFINED */
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