nss/lib/freebl/sysrand.c - Issue 2078763002: Delete bundled copy of NSS and replace with README.

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Side by Side Diff: nss/lib/freebl/sysrand.c

Issue 2078763002: Delete bundled copy of NSS and replace with README. (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/nss@master

Patch Set: Delete bundled copy of NSS and replace with README. Created 4 years, 6 months ago

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1 /* This Source Code Form is subject to the terms of the Mozilla Public

2 * License, v. 2.0. If a copy of the MPL was not distributed with this

3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

4

5 #ifdef FREEBL_NO_DEPEND

6 #include "stubs.h"

7 #endif

8

9 #include "seccomon.h"

10

11 #ifndef XP_WIN

12 static size_t rng_systemFromNoise(unsigned char *dest, size_t maxLen);

13 #endif

14

15 #if defined(XP_UNIX) \|\| defined(XP_BEOS)

16 #include "unix_rand.c"

17 #endif

18 #ifdef XP_WIN

19 #include "win_rand.c"

20 #endif

21 #ifdef XP_OS2

22 #include "os2_rand.c"

23 #endif

24

25 #ifndef XP_WIN

26 /*

27 * Normal RNG_SystemRNG() isn't available, use the system noise to collect

28 * the required amount of entropy.

29 */

30 static size_t

31 rng_systemFromNoise(unsigned char *dest, size_t maxLen)

32 {

33 size_t retBytes = maxLen;

34

35 while (maxLen) {

36 size_t nbytes = RNG_GetNoise(dest, maxLen);

37

38 PORT_Assert(nbytes != 0);

39

40 dest += nbytes;

41 maxLen -= nbytes;

42

43 /* some hw op to try to introduce more entropy into the next

44 * RNG_GetNoise call */

45 rng_systemJitter();

46 }

47 return retBytes;

48 }

49 #endif

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