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

   1 package org.asamk.signal.util;
   2
   3 import java.security.Provider;
   4 import java.security.SecureRandom;
   5 import java.security.SecureRandomSpi;
   6
   7 public class SecurityProvider extends Provider {
   8
   9     private static final String PROVIDER_NAME = "SSP";
  10
  11     private static final String info = "Security Provider v1.0";
  12
  13     public SecurityProvider() {
  14         super(PROVIDER_NAME, 1.0, info);
  15         put("SecureRandom.DEFAULT", DefaultRandom.class.getName());
  16
  17         // Workaround for BKS truststore
  18         put("KeyStore.BKS", "org.bouncycastle.jcajce.provider.keystore.bc.BcKeyStoreSpi$Std");
  19         put("KeyStore.BKS-V1", "org.bouncycastle.jcajce.provider.keystore.bc.BcKeyStoreSpi$Version1");
  20         put("KeyStore.BouncyCastle", "org.bouncycastle.jcajce.provider.keystore.bc.BcKeyStoreSpi$BouncyCastleStore");
  21         put("KeyFactory.X.509", "org.bouncycastle.jcajce.provider.asymmetric.x509.KeyFactory");
  22         put("CertificateFactory.X.509", "org.bouncycastle.jcajce.provider.asymmetric.x509.CertificateFactory");
  23     }
  24
  25     public static class DefaultRandom extends SecureRandomSpi {
  26
  27         private static final SecureRandom random = RandomUtils.getSecureRandom();
  28
  29         public DefaultRandom() {
  30         }
  31
  32         protected void engineSetSeed(byte[] bytes) {
  33             random.setSeed(bytes);
  34         }
  35
  36         protected void engineNextBytes(byte[] bytes) {
  37             random.nextBytes(bytes);
  38         }
  39
  40         protected byte[] engineGenerateSeed(int numBytes) {
  41             return random.generateSeed(numBytes);
  42         }
  43     }
  44 }