nmode's Git Repositories - signal-cli/blob - src/main/java/org/asamk/signal/manager/KeyUtils.java

   1 package org.asamk.signal.manager;
   2
   3 import org.asamk.signal.util.RandomUtils;
   4 import org.whispersystems.util.Base64;
   5
   6 class KeyUtils {
   7
   8     private KeyUtils() {
   9     }
  10
  11     static String createSignalingKey() {
  12         return getSecret(52);
  13     }
  14
  15     static byte[] createProfileKey() {
  16         return getSecretBytes(32);
  17     }
  18
  19     static String createPassword() {
  20         return getSecret(18);
  21     }
  22
  23     static byte[] createGroupId() {
  24         return getSecretBytes(16);
  25     }
  26
  27     private static String getSecret(int size) {
  28         byte[] secret = getSecretBytes(size);
  29         return Base64.encodeBytes(secret);
  30     }
  31
  32     private static byte[] getSecretBytes(int size) {
  33         byte[] secret = new byte[size];
  34         RandomUtils.getSecureRandom().nextBytes(secret);
  35         return secret;
  36     }
  37 }