Org.BouncyCastle.Crypto.Generators.X448KeyPairGenerator
Key-pair generator for X448 (RFC 7748). Only the SecureRandom from the supplied
KeyGenerationParameters is used; the 56-byte clamped scalar is drawn directly from it.
public X448KeyPairGenerator()
Generate a fresh X448 key pair.
Capture the SecureRandom that will source the scalar.