createInMemory static method
Implementation
static Future<DklsSigningKey> createInMemory() async {
final signer = Ed25519.create();
final msgSigner = DklsMessageSigner(
publicKeyB64: signer.publicKeyB64,
keyType: KeyType.ED25519,
signFunction: (messageB64) async => signer.sign(messageB64));
return create(msgSigner);
}