Function fromEd25519 [src]

Create a key pair from an Ed25519 key pair

Prototype

pub fn fromEd25519(ed25519_key_pair: crypto.sign.Ed25519.KeyPair) (IdentityElementError || EncodingError)!KeyPair

Parameters

ed25519_key_pair: crypto.sign.Ed25519.KeyPair

Source

  pub fn fromEd25519(ed25519_key_pair: crypto.sign.Ed25519.KeyPair) (IdentityElementError || EncodingError)!KeyPair {
    const seed = ed25519_key_pair.secret_key.seed();
    var az: [Sha512.digest_length]u8 = undefined;
    Sha512.hash(&seed, &az, .{});
    var sk = az[0..32].*;
    Curve.scalar.clamp(&sk);
    const pk = try publicKeyFromEd25519(ed25519_key_pair.public_key);
    return KeyPair{
        .public_key = pk,
        .secret_key = sk,
    };
}  