Dave Hrycyszyn
36 lines
974 B
Rust
36 lines
974 B
Rust
use curve25519_dalek::montgomery::MontgomeryPoint;
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use curve25519_dalek::scalar::Scalar;
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// This keypair serves as the user's identity within the Mixnet
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pub struct KeyPair {
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pub private: Scalar,
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pub public: MontgomeryPoint,
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}
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impl KeyPair {
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pub fn new() -> KeyPair {
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let (private, public) = sphinx::crypto::keygen();
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KeyPair { private, public }
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}
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pub fn from_bytes(private_bytes: Vec<u8>, public_bytes: Vec<u8>) -> KeyPair {
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let mut bytes = [0; 32];
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bytes.copy_from_slice(&private_bytes[..]);
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let private = Scalar::from_canonical_bytes(bytes).unwrap();
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let mut bytes = [0; 32];
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bytes.copy_from_slice(&public_bytes[..]);
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let public = MontgomeryPoint(bytes);
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KeyPair { private, public }
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}
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pub fn private_bytes(&self) -> Vec<u8> {
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self.private.to_bytes().to_vec()
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}
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pub fn public_bytes(&self) -> Vec<u8> {
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self.public.to_bytes().to_vec()
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}
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}
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