+++ /dev/null
-/* -*-c-*-
- *
- * $Id: icrypt.h,v 1.2 1997/08/04 10:24:22 mdw Exp $
- *
- * Higher level IDEA encryption
- *
- * (c) 1997 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 1.2 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 CONFIG_H
-# include "config.h"
-#endif
-
-#ifndef IDEA_H
-# include "idea.h"
-#endif
-
-/*----- Type definitions --------------------------------------------------*/
-
-/* --- @icrypt_job@ --- */
-
-typedef struct icrypt_job {
- idea_key k; /* IDEA key for en/decrypting */
- int i; /* Index into the IV buffer */
- char iv[IDEA_BLKSIZE]; /* IV bytes for encrypting */
-} icrypt_job;
-
-/*----- Functions provided ------------------------------------------------*/
-
-/* --- @icrypt_init@ --- *
- *
- * Arguments: @icrypt_job *j@ = pointer to job context block
- * @unsigned char *k@ = pointer to key data
- * @const unsigned char *iv@ = pointer to IV
- *
- * Returns: ---
- *
- * Use: Primes the context block ready for encryption.
- */
-
-extern void icrypt_init(icrypt_job */*j*/,
- unsigned char */*k*/,
- 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
- * @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*/,
- 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