mirror of
https://github.com/rn10950/RetroZilla.git
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79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape security libraries.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1994-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifdef FREEBL_NO_DEPEND
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#include "stubs.h"
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#endif
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#include "seccomon.h"
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static size_t rng_systemFromNoise(unsigned char *dest, size_t maxLen);
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#if defined(XP_UNIX) || defined(XP_BEOS)
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#include "unix_rand.c"
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#endif
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#ifdef XP_WIN
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#include "win_rand.c"
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#endif
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#ifdef XP_OS2
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#include "os2_rand.c"
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#endif
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/*
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* Normal RNG_SystemRNG() isn't available, use the system noise to collect
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* the required amount of entropy.
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*/
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static size_t
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rng_systemFromNoise(unsigned char *dest, size_t maxLen)
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{
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size_t retBytes = maxLen;
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while (maxLen) {
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size_t nbytes = RNG_GetNoise(dest, maxLen);
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PORT_Assert(nbytes != 0);
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dest += nbytes;
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maxLen -= nbytes;
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/* some hw op to try to introduce more entropy into the next
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* RNG_GetNoise call */
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rng_systemJitter();
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}
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return retBytes;
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}
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