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SchnorrKeypair

chie_crypto::schnorr

Struct SchnorrKeypair 

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pub struct SchnorrKeypair { /* private fields */ }
Expand description

Schnorr keypair (secret key + public key)

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impl SchnorrKeypair

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pub fn generate() -> Self

Generate a random Schnorr keypair

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pub fn from_secret_key(secret_key: SchnorrSecretKey) -> Self

Create a keypair from a secret key

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pub fn public_key(&self) -> SchnorrPublicKey

Get the public key

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pub fn secret_key(&self) -> &SchnorrSecretKey

Get a reference to the secret key

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pub fn sign(&self, message: &[u8]) -> SchnorrSignature

Sign a message using Schnorr signature scheme

  1. Generate random nonce k
  2. Compute commitment R = k*G
  3. Compute challenge c = H(R || P || m)
  4. Compute response s = k - c*x
  5. Return signature σ = (c, s)
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pub fn verify( &self, message: &[u8], signature: &SchnorrSignature, ) -> SchnorrResult<()>

Verify a Schnorr signature

Verification checks: R’ = sG + cP Then verifies: c == H(R’ || P || m)

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