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Fixing p256 to_bytes() bug (#16)

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Kevin Lewi
2021-09-29 18:11:50 -07:00
committed by GitHub
parent bdc5833510
commit 6632f6a771
1 changed files with 4 additions and 1 deletions
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src/group/p256.rs
+4 -1
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@@ -335,7 +335,10 @@ fn hash_to_curve_simple_swu<N: ArrayLength<u8>>(
} }
fn to_bytes<N: ArrayLength<u8>>(&self) -> GenericArray<u8, N> { fn to_bytes<N: ArrayLength<u8>>(&self) -> GenericArray<u8, N> {
GenericArray::clone_from_slice(&self.number.mod_floor(self.f.0).to_bytes_be().1) let val = self.number.mod_floor(self.f.0).to_bytes_be().1;
let mut bytes = alloc::vec![0u8; 32 - val.len()];
bytes.extend_from_slice(&val);
GenericArray::clone_from_slice(&bytes)
} }
} }