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Signal Protocol cryptography library for Java

There is a newer version: 0.62.0

//
// Copyright 2021 Signal Messenger, LLC.
// SPDX-License-Identifier: AGPL-3.0-only
//

package org.signal.libsignal.devicetransfer;

import static org.signal.libsignal.internal.FilterExceptions.filterExceptions;

import org.signal.libsignal.internal.Native;

public class DeviceTransferKey {
  byte[] keyMaterial;

  public DeviceTransferKey() {
    this.keyMaterial = Native.DeviceTransfer_GeneratePrivateKey();
  }

  public byte[] keyMaterial() {
    return this.keyMaterial;
  }

  public byte[] generateCertificate(String name, int daysTilExpires) {
    return filterExceptions(
        () -> Native.DeviceTransfer_GenerateCertificate(this.keyMaterial, name, daysTilExpires));
  }
}