An X25519 key pair.
Functions
fn create(seed: ?[seed_length]u8) IdentityElementError!KeyPair
Create a new key pair using an optional seed.
fn fromEd25519(ed25519_key_pair: crypto.sign.Ed25519.KeyPair) IdentityElementError || EncodingError!KeyPair
Create a key pair from an Ed25519 key pair