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Use zero byte for secure memory erasure #696

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Use zero byte for secure memory erasure #696

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2 changes: 1 addition & 1 deletion cardano-crypto-class/src/Cardano/Crypto/Libsodium/Memory/Internal.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -118,7 +118,7 @@ makeMLockedPool = do
)

eraseMem :: forall n a. KnownNat n => Proxy n -> Ptr a -> IO ()
eraseMem proxy ptr = fillBytes ptr 0xff (fromIntegral @Integer @Int $ natVal proxy)
eraseMem proxy ptr = fillBytes ptr 0x00 (fromIntegral @Integer @Int $ natVal proxy)

mlockedPool32 :: Pool 32 RealWorld
mlockedPool32 = unsafePerformIO $ stToIO makeMLockedPool
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