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/*
idea.h
Author: Tatu Ylonen <ylo@cs.hut.fi>
Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
All rights reserved
Created: Sun Jun 25 04:44:30 1995 ylo
The IDEA encryption algorithm.
*/
/*
* $Id: idea.h,v 1.1.1.1 1996/02/18 21:38:11 ylo Exp $
* $Log: idea.h,v $
* Revision 1.1.1.1 1996/02/18 21:38:11 ylo
* Imported ssh-1.2.13.
*
* Revision 1.2 1995/07/13 01:25:00 ylo
* Removed "Last modified" header.
* Added cvs log.
*
* $Endlog$
*/
#ifndef IDEA_H
#define IDEA_H
typedef struct
{
word16 key_schedule[52];
} IDEAContext;
/* Sets idea key for encryption. */
void idea_set_key(IDEAContext *c, const unsigned char key[16]);
/* Destroys any sensitive data in the context. */
void idea_destroy_context(IDEAContext *c);
/* Performs the IDEA cipher transform on a block of data. */
void idea_transform(IDEAContext *c, word32 l, word32 r, word32 *output);
/* Encrypts len bytes from src to dest in CFB mode. Len need not be a multiple
of 8; if it is not, iv at return will contain garbage.
Otherwise, iv will be modified at end to a value suitable for continuing
encryption. */
void idea_cfb_encrypt(IDEAContext *c, unsigned char *iv, unsigned char *dest,
const unsigned char *src, unsigned int len);
/* Decrypts len bytes from src to dest in CFB mode. Len need not be a multiple
of 8; if it is not, iv at return will contain garbage.
Otherwise, iv will be modified at end to a value suitable for continuing
decryption. */
void idea_cfb_decrypt(IDEAContext *c, unsigned char *iv, unsigned char *dest,
const unsigned char *src, unsigned int len);
#endif /* IDEA_H */
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.