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Make memwipe() do nothing when passed a NULL pointer or zero size

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Check size argument to memwipe() for underflow.

Closes bug #18089. Reported by "gk", patch by "teor".
Bugfix on 0.2.3.25 and 0.2.4.6-alpha (#7352),
commit 49dd5ef3 on 7 Nov 2012.
This commit is contained in:
teor (Tim Wilson-Brown)
2016-01-19 11:22:58 +11:00
committed by Nick Mathewson
parent 053e11f397
commit fb7d1f41b4
2 changed files with 14 additions and 0 deletions
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o Minor fixes (security):
- Make memwipe() do nothing when passed a NULL pointer
or zero size. Check size argument to memwipe() for underflow.
Closes bug #18089. Reported by "gk", patch by "teor".
Bugfix on 0.2.3.25 and 0.2.4.6-alpha (#7352),
commit 49dd5ef3 on 7 Nov 2012.