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adding a zeroize trait for blockbuffers so that blake2 can have zeroize too (not zeroizeondrop- just zeroize) #832

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adding a zeroize trait for blockbuffers so that blake2 can have zeroize too (not zeroizeondrop- just zeroize) #832

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2fc8835
adding zeroize for blockbuffers
laudiacay Jan 26, 2023
0881ddc
requested changes
laudiacay Apr 20, 2023
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24 changes: 23 additions & 1 deletion Cargo.lock
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1 change: 1 addition & 0 deletions block-buffer/Cargo.toml
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Expand Up @@ -14,6 +14,7 @@ readme = "README.md"
[dependencies]
crypto-common = "0.2.0-pre"
generic-array = "0.14"
zeroize = { version = "1.4", optional = true, features = ["zeroize_derive"] }

[dev-dependencies]
hex-literal = "0.3.3"
3 changes: 3 additions & 0 deletions block-buffer/src/lib.rs
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Expand Up @@ -15,6 +15,8 @@ use generic_array::{
typenum::{Add1, B1},
ArrayLength, GenericArray,
};
#[cfg(feature = "zeroize")]
use zeroize::Zeroize;

mod read;
mod sealed;
Expand Down Expand Up @@ -58,6 +60,7 @@ impl fmt::Display for Error {

/// Buffer for block processing of data.
#[derive(Debug)]
#[cfg_attr(feature = "zeroize", derive(Zeroize))]
pub struct BlockBuffer<BS: BlockSizes, K: BufferKind> {
buffer: Block<Self>,
pos: K::Pos,
Expand Down