38 lines
1.1 KiB
Rust
38 lines
1.1 KiB
Rust
/// An Ed25519 signature.
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#[derive(Copy, Clone, Eq, PartialEq)]
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#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
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#[allow(non_snake_case)]
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pub struct Signature {
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pub(crate) R_bytes: [u8; 32],
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pub(crate) s_bytes: [u8; 32],
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}
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impl core::fmt::Debug for Signature {
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fn fmt(&self, fmt: &mut core::fmt::Formatter) -> core::fmt::Result {
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fmt.debug_struct("Signature")
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.field("R_bytes", &hex::encode(&self.R_bytes))
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.field("s_bytes", &hex::encode(&self.s_bytes))
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.finish()
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}
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}
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impl From<[u8; 64]> for Signature {
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#[allow(non_snake_case)]
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fn from(bytes: [u8; 64]) -> Signature {
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let mut R_bytes = [0; 32];
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R_bytes.copy_from_slice(&bytes[0..32]);
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let mut s_bytes = [0; 32];
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s_bytes.copy_from_slice(&bytes[32..64]);
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Signature { R_bytes, s_bytes }
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}
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}
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impl From<Signature> for [u8; 64] {
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fn from(sig: Signature) -> [u8; 64] {
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let mut bytes = [0; 64];
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bytes[0..32].copy_from_slice(&sig.R_bytes[..]);
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bytes[32..64].copy_from_slice(&sig.s_bytes[..]);
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bytes
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}
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}
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