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/* $OpenBSD: ip_cast.h,v 1.2 1998/11/24 10:04:06 niklas Exp $ */
/*
* CAST-128 in C
* Written by Steve Reid <sreid@sea-to-sky.net>
* 100% Public Domain - no warranty
* Released 1997.10.11
*/
#ifndef _CAST_H_
#define _CAST_H_
typedef u_int8_t u8; /* 8-bit unsigned */
typedef u_int32_t u32; /* 32-bit unsigned */
typedef struct {
u32 xkey[32]; /* Key, after expansion */
int rounds; /* Number of rounds to use, 12 or 16 */
} cast_key;
void cast_setkey(cast_key* key, u8* rawkey, int keybytes);
void cast_encrypt(cast_key* key, u8* inblock, u8* outblock);
void cast_decrypt(cast_key* key, u8* inblock, u8* outblock);
#endif /* ifndef _CAST_H_ */
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