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

diff --git a/src/rand.h b/src/rand.h
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--- a/src/rand.h
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-/* -*-c-*-
- *
- * $Id: rand.h,v 1.2 1998/01/12 16:46:24 mdw Exp $
- *
- * Random number generation
- *
- * (c) 1998 EBI
- */
-
-/*----- Licencing 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-/*----- Revision history --------------------------------------------------*
- *
- * $Log: rand.h,v $
- * Revision 1.2  1998/01/12 16:46:24  mdw
- * Fix copyright date.
- *
- * Revision 1.1  1997/08/07 09:46:05  mdw
- * New source file added to maintain a randomness pool.
- *
- */
-
-#ifndef RAND_H
-#define RAND_H
-
-#ifdef __cplusplus
-  extern "C" {
-#endif
-
-/*----- Required headers --------------------------------------------------*/
-
-#include <stdio.h>
-
-#ifndef ICRYPT_H
-#  include "icrypt.h"
-#endif
-
-/*----- Functions provided ------------------------------------------------*/
-
-/* --- @rand_read@ --- *
- *
- * Arguments:	@FILE *fp@ = pointer to file to read from
- *
- * Returns:	---
- *
- * Use:		Reads a random number seed from the stream.
- */
-
-extern void rand_read(FILE */*fp*/);
-
-/* --- @rand_write@ --- *
- *
- * Arguments:	@FILE *fp@ = pointer to file to write on
- *
- * Returns:	---
- *
- * Use:		Writes a random number seed back to the stream.
- */
-
-extern void rand_write(FILE */*fp*/);
-
-/* --- @rand_clear@ --- *
- *
- * Arguments:	---
- *
- * Returns:	---
- *
- * Use:		Clears the random number pool.
- */
-
-extern void rand_clear(void);
-
-/* --- @rand_encrypt@ --- *
- *
- * Arguments:	@icrypt_job *j@ = pointer to an encryption job to apply
- *
- * Returns:	---
- *
- * Use:		Encrypts the randomness pool with a given key.  This should
- *		be done before use, in case the pool gets compromised.
- */
-
-extern void rand_encrypt(icrypt_job */*j*/);
-
-/* --- @rand_add@ --- *
- *
- * Arguments:	@const void *p@ = pointer to some data
- *		@size_t sz@ = size of the data in bytes
- *
- * Returns:	---
- *
- * Use:		Adds entropy to the pool.
- */
-
-extern void rand_add(const void */*p*/, size_t /*sz*/);
-
-/* --- @rand_extract@ --- *
- *
- * Arguments:	@unsigned char *b@ = pointer to output buffer
- *		@size_t sz@ = number of bytes wanted
- *
- * Returns:	---
- *
- * Use:		Produces a number of random bytes.
- */
-
-extern void rand_extract(unsigned char */*b*/, size_t /*sz*/);
-
-/* --- @rand_churn@ --- *
- *
- * Arguments:	---
- *
- * Returns:	---
- *
- * Use:		Churns the randomness pool completely.  The pool is replaced
- *		by repeated MD5-ings of itself.
- */
-
-extern void rand_churn(void);
-
-/*----- That's all, folks -------------------------------------------------*/
-
-#ifdef __cplusplus
-  }
-#endif
-
-#endif