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Merge tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random

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Pull /dev/random updates from Ted Ts'o:
 "This adds a memzero_explicit() call which is guaranteed not to be
  optimized away by GCC.  This is important when we are wiping
  cryptographically sensitive material"

* tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
  crypto: memzero_explicit - make sure to clear out sensitive data
  random: add and use memzero_explicit() for clearing data
This commit is contained in:
Linus Torvalds
2014-10-24 12:33:32 -07:00
parent 1c45d9a920 7185ad2672
commit 14d4cc0883
10 changed files with 36 additions and 19 deletions
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2
crypto/sha512_generic.c
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@@ -239,7 +239,7 @@ static int sha384_final(struct shash_desc *desc, u8 *hash)
sha512_final(desc, D);
memcpy(hash, D, 48);
memset(D, 0, 64);
memzero_explicit(D, 64);
return 0;
}