using Org.BouncyCastle.Crypto; using Org.BouncyCastle.Security; namespace Org.BouncyCastle.Pqc.Crypto.Picnic { public class PicnicKeyPairGenerator : IAsymmetricCipherKeyPairGenerator { private SecureRandom random; private PicnicParameters parameters; public void Init(KeyGenerationParameters param) { random = param.Random; parameters = ((PicnicKeyGenerationParameters)param).Parameters; } public AsymmetricCipherKeyPair GenerateKeyPair() { PicnicEngine engine = parameters.GetEngine(); byte[] array = new byte[engine.GetSecretKeySize()]; byte[] array2 = new byte[engine.GetPublicKeySize()]; engine.crypto_sign_keypair(array2, array, random); PicnicPublicKeyParameters publicParameter = new PicnicPublicKeyParameters(parameters, array2); PicnicPrivateKeyParameters privateParameter = new PicnicPrivateKeyParameters(parameters, array); return new AsymmetricCipherKeyPair(publicParameter, privateParameter); } } }