X-Git-Url: https://git.distorted.org.uk/~mdw/become/blobdiff_plain/fe59d3d70fc7337b7a50c4fcff72d20967672157..f60a34341fee6aafd5b878dce23b80af7c60064d:/src/icrypt.h

diff --git a/src/icrypt.h b/src/icrypt.h
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--- a/src/icrypt.h
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-/* -*-c-*-
- *
- * $Id: icrypt.h,v 1.4 1998/01/12 16:46:03 mdw Exp $
- *
- * Higher level encryption functions
- *
- * (c) 1998 Mark Wooding
- */
-
-/*----- Licensing notice --------------------------------------------------*
- *
- * This file is part of `become'
- *
- * `Become' is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * `Become' is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with `become'; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-/*----- Revision history --------------------------------------------------*
- *
- * $Log: icrypt.h,v $
- * Revision 1.4  1998/01/12 16:46:03  mdw
- * Fix copyright date.
- *
- * Revision 1.3  1997/09/26 09:14:58  mdw
- * Merged blowfish branch into trunk.
- *
- * Revision 1.2.2.1  1997/09/26 09:08:08  mdw
- * Use the Blowfish encryption algorithm instead of IDEA.  This is partly
- * because I prefer Blowfish (without any particularly strong evidence) but
- * mainly because IDEA is patented and Blowfish isn't.
- *
- * Revision 1.2  1997/08/04 10:24:22  mdw
- * Sources placed under CVS control.
- *
- * Revision 1.1  1997/07/21  13:47:49  mdw
- * Initial revision
- *
- */
-
-#ifndef ICRYPT_H
-#define ICRYPT_H
-
-#ifdef __cplusplus
-  extern "C" {
-#endif
-
-/*----- Required headers --------------------------------------------------*/
-
-#include <stddef.h>
-
-#ifndef BLOWFISH_H
-#  include "blowfish.h"
-#endif
-
-#ifndef CONFIG_H
-#  include "config.h"
-#endif
-
-/*----- Type definitions --------------------------------------------------*/
-
-/* --- @icrypt_job@ --- */
-
-typedef struct icrypt_job {
-  blowfish_key k;			/* Key for en/decrypting */
-  int i;				/* Index into the IV buffer */
-  unsigned char iv[BLOWFISH_BLKSIZE];	/* IV bytes for encrypting */
-} icrypt_job;
-
-/*----- Functions provided ------------------------------------------------*/
-
-extern void icrypt_init(icrypt_job */*j*/,
-			unsigned char */*k*/,
-			size_t /*sz*/,
-			const unsigned char */*iv*/);
-
-/* --- @icrypt_encrypt@ --- *
- *
- * Arguments:	@icrypt_job *j@ = job handle
- *		@const void *src@ = pointer to source buffer
- *		@void *dest@ = pointer to destination buffer
- *		@size_t sz@ = size of buffers to handle
- *
- * Returns:	---
- *
- * Use:		Encrypts data from the source to the destination, using the
- *		key attached to the job handle.
- */
-
-extern void icrypt_encrypt(icrypt_job */*j*/, const void */*src*/,
-			   void */*dest*/, size_t /*sz*/);
-
-/* --- @icrypt_decrypt@ --- *
- *
- * Arguments:	@icrypt_job *j@ = job handle
- *		@const void *src@ = pointer to source buffer
- *		@void *dest@ = pointer to destination buffer
- *		@size_t sz@ = size of buffers to handle
- *
- * Returns:	---
- *
- * Use:		Decrypts data from the source to the destination, using
- *		the key attached to the job handle.
- */
-
-extern void icrypt_decrypt(icrypt_job */*j*/, const void */*src*/,
-			   void */*dest*/, size_t /*sz*/);
-
-/* --- @icrypt_reset@ --- *
- *
- * Arguments:	@icrypt_job *j@ = pointer to job context block
- *		@unsigned char *k@ = pointer to key data, or zero for
- *			no change
- *		@size_t sz@ = size of the key in bytes
- *		@const unsigned char *iv@ = pointer to IV, or zero
- *
- * Returns:	---
- *
- * Use:		Alters the context block.  This can be used after recovery
- *		of a session key, for example.
- */
-
-extern void icrypt_reset(icrypt_job */*j*/,
-			 unsigned char */*k*/,
-			 size_t /*sz*/,
-			 const unsigned char */*iv*/);
-
-/* --- @icrypt_saveIV@ --- *
- *
- * Arguments:	@icrypt_job *j@ = pointer to job context block
- *		@unsigned char *iv@ = where to store the IV
- *
- * Returns:	---
- *
- * Use:		Writes out the job's IV after munging it a little.
- */
-
-extern void icrypt_saveIV(icrypt_job */*j*/, unsigned char */*iv*/);
-
-/*----- That's all, folks -------------------------------------------------*/
-
-#ifdef __cplusplus
-  }
-#endif
-
-#endif