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

   1 package org.asamk.textsecure;
   2
   3 import java.security.NoSuchAlgorithmException;
   4 import java.security.SecureRandom;
   5
   6 class Util {
   7     public static String getSecret(int size) {
   8         byte[] secret = getSecretBytes(size);
   9         return Base64.encodeBytes(secret);
  10     }
  11
  12     public static byte[] getSecretBytes(int size) {
  13         byte[] secret = new byte[size];
  14         getSecureRandom().nextBytes(secret);
  15         return secret;
  16     }
  17
  18     private static SecureRandom getSecureRandom() {
  19         try {
  20             return SecureRandom.getInstance("SHA1PRNG");
  21         } catch (NoSuchAlgorithmException e) {
  22             throw new AssertionError(e);
  23         }
  24     }
  25 }