package org.asamk.signal.manager; import org.asamk.signal.util.RandomUtils; import org.whispersystems.signalservice.internal.util.Base64; class KeyUtils { private KeyUtils() { } static String createSignalingKey() { return getSecret(52); } static byte[] createProfileKey() { return getSecretBytes(32); } static String createPassword() { return getSecret(18); } static byte[] createGroupId() { return getSecretBytes(16); } private static String getSecret(int size) { byte[] secret = getSecretBytes(size); return Base64.encodeBytes(secret); } private static byte[] getSecretBytes(int size) { byte[] secret = new byte[size]; RandomUtils.getSecureRandom().nextBytes(secret); return secret; } }