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Implement Zeroize for ed25519::Signature #952

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Merged
tarcieri merged 1 commit into from
Apr 29, 2025
Merged

Implement Zeroize for ed25519::Signature #952

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11 changes: 11 additions & 0 deletions ed25519/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -292,6 +292,9 @@ use pkcs8::spki::{
der::{self, asn1::BitString},
};

#[cfg(feature = "zeroize")]
use zeroize::Zeroize;

/// Size of a single component of an Ed25519 signature.
const COMPONENT_SIZE: usize = 32;

Expand Down Expand Up @@ -446,3 +449,11 @@ impl fmt::Display for Signature {
write!(f, "{:X}", self)
}
}

#[cfg(feature = "zeroize")]
impl Zeroize for Signature {
fn zeroize(&mut self) {
self.R = [0; 32];
self.s = [0; 32];
}
}