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block-buffer: impl ZeroizeOnDrop for BlockBuffer #1192

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Merged
newpavlov merged 1 commit into from
Jul 25, 2025
Merged

block-buffer: impl ZeroizeOnDrop for BlockBuffer #1192

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13 changes: 12 additions & 1 deletion block-buffer/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,7 @@ use array::{
use core::{fmt, mem::MaybeUninit, ops::Add, ptr, slice};

#[cfg(feature = "zeroize")]
use zeroize::Zeroize;
use zeroize::{Zeroize, ZeroizeOnDrop};

mod read;
mod sealed;
Expand Down Expand Up @@ -441,3 +441,14 @@ impl<BS: ArraySize, K: BufferKind> Zeroize for BlockBuffer<BS, K> {
self.pos.zeroize();
}
}

impl<BS: ArraySize, K: BufferKind> Drop for BlockBuffer<BS, K> {
#[inline]
fn drop(&mut self) {
#[cfg(feature = "zeroize")]
self.zeroize();
}
}

#[cfg(feature = "zeroize")]
impl<BS: ArraySize, K: BufferKind> ZeroizeOnDrop for BlockBuffer<BS, K> {}