?? idea.h
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/* * Copyright (C) 1995, 1996 Systemics Ltd (http://www.systemics.com/) * All rights reserved. * * This library and applications are FREE FOR COMMERCIAL AND NON-COMMERCIAL USE * as long as the conditions within the COPYRIGHT file are adhered to. * */#ifndef _IDEA_HEADER#define _IDEA_HEADER#define u_int16_t unsigned short #ifndef int32_t#define int32_t long#endif#ifdef LITTLE_ENDIAN#define SWAP_BYTES(us) ((((us)<<8)&0xFF00)|(((us)>>8)&0x00FF))#else#define SWAP_BYTES(us) (us)#endif#define IDEA_KS_SIZE 104typedef u_int16_t idea_cblock[4];typedef u_int16_t idea_user_key[8];typedef u_int16_t idea_ks[52];void idea_crypt( idea_cblock in, idea_cblock out, idea_ks key );void idea_invert_key( idea_ks key, idea_ks inv_key );void idea_expand_key( idea_user_key userKey, idea_ks key );#endif
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