25 lines
610 B
Rust
25 lines
610 B
Rust
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use crate::keystore::DKLEN;
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use zeroize::Zeroize;
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/// Provides wrapper around `[u8; DKLEN]` that implements `Zeroize`.
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#[derive(Zeroize)]
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#[zeroize(drop)]
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pub struct DerivedKey([u8; DKLEN as usize]);
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impl DerivedKey {
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/// Instantiates `Self` with an all-zeros byte array.
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pub fn zero() -> Self {
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Self([0; DKLEN as usize])
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}
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/// Returns a mutable reference to the underlying byte array.
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pub fn as_mut_bytes(&mut self) -> &mut [u8] {
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&mut self.0
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}
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/// Returns a reference to the underlying byte array.
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pub fn as_bytes(&self) -> &[u8] {
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&self.0
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}
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}
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