Mercurial > trustbridge > nss-cmake-static
diff nss/lib/freebl/sysrand.c @ 0:1e5118fa0cb1
This is NSS with a Cmake Buildsyste
To compile a static NSS library for Windows we've used the
Chromium-NSS fork and added a Cmake buildsystem to compile
it statically for Windows. See README.chromium for chromium
changes and README.trustbridge for our modifications.
| author | Andre Heinecke <andre.heinecke@intevation.de> |
|---|---|
| date | Mon, 28 Jul 2014 10:47:06 +0200 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/nss/lib/freebl/sysrand.c Mon Jul 28 10:47:06 2014 +0200 @@ -0,0 +1,49 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifdef FREEBL_NO_DEPEND +#include "stubs.h" +#endif + +#include "seccomon.h" + +#ifndef XP_WIN +static size_t rng_systemFromNoise(unsigned char *dest, size_t maxLen); +#endif + +#if defined(XP_UNIX) || defined(XP_BEOS) +#include "unix_rand.c" +#endif +#ifdef XP_WIN +#include "win_rand.c" +#endif +#ifdef XP_OS2 +#include "os2_rand.c" +#endif + +#ifndef XP_WIN +/* + * Normal RNG_SystemRNG() isn't available, use the system noise to collect + * the required amount of entropy. + */ +static size_t +rng_systemFromNoise(unsigned char *dest, size_t maxLen) +{ + size_t retBytes = maxLen; + + while (maxLen) { + size_t nbytes = RNG_GetNoise(dest, maxLen); + + PORT_Assert(nbytes != 0); + + dest += nbytes; + maxLen -= nbytes; + + /* some hw op to try to introduce more entropy into the next + * RNG_GetNoise call */ + rng_systemJitter(); + } + return retBytes; +} +#endif