gecko-dev/security/nss/lib/freebl/secrng.h
nelsonb%netscape.com cd6006d2cd Now that the implementations of all the RNG_ functions have been moved
from lib/util to lib/freebl, move the RNG header file there, too.
Eliminate secrngt.h, which has been empty (except for the license
boilerplate) for many releases.
2001-11-15 04:29:27 +00:00

83 lines
2.7 KiB
C

/*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is the Netscape security libraries.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1994-2000 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
* allow others to use your version of this file under the MPL,
* indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by
* the GPL. If you do not delete the provisions above, a recipient
* may use your version of this file under either the MPL or the
* GPL.
*/
#ifndef _SECRNG_H_
#define _SECRNG_H_
/*
* secrng.h - public data structures and prototypes for the secure random
* number generator
*
* $Id: secrng.h,v 1.1 2001/11/15 04:29:23 nelsonb%netscape.com Exp $
*/
/******************************************/
/*
** Random number generation. A cryptographically strong random number
** generator.
*/
#include "blapi.h"
SEC_BEGIN_PROTOS
/*
** The following 3 functions are provided by the security library
** but are differently implemented for the UNIX, Mac and Win
** versions
*/
/*
** Get the "noisiest" information available on the system.
** The amount of data returned depends on the system implementation.
** It will not exceed maxbytes, but may be (much) less.
** Returns number of noise bytes copied into buf, or zero if error.
*/
extern size_t RNG_GetNoise(void *buf, size_t maxbytes);
/*
** RNG_SystemInfoForRNG should be called before any use of SSL. It
** gathers up the system specific information to help seed the
** state of the global random number generator.
*/
extern void RNG_SystemInfoForRNG(void);
/*
** Use the contents (and stat) of a file to help seed the
** global random number generator.
*/
extern void RNG_FileForRNG(const char *filename);
SEC_END_PROTOS
#endif /* _SECUTIL_H_ */