if curveID == x25519Kyber768Draft00 {
			keyShareKeys.ecdhe, err = generateECDHEKey(config.rand(), X25519)
			if err != nil {
				return nil, nil, nil, err
			}
			seed := make([]byte, mlkem768.SeedSize)
			if _, err := io.ReadFull(config.rand(), seed); err != nil {
				return nil, nil, nil, err
			}
			keyShareKeys.kyber, err = mlkem768.NewKeyFromSeed(seed)
			if err != nil {
				return nil, nil, nil, err