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.class.getCanonicalName());
  19         put("KeyStore.BKS-V1",
  20                 org.bouncycastle.jcajce.provider.keystore.bc.BcKeyStoreSpi.Version1.class.getCanonicalName());
  21         put("KeyStore.BouncyCastle",
  22                 org.bouncycastle.jcajce.provider.keystore.bc.BcKeyStoreSpi.BouncyCastleStore.class.getCanonicalName());
  23         put("KeyFactory.X.509", org.bouncycastle.jcajce.provider.asymmetric.x509.KeyFactory.class.getCanonicalName());
  24         put("CertificateFactory.X.509",
  25                 org.bouncycastle.jcajce.provider.asymmetric.x509.CertificateFactory.class.getCanonicalName());
  26     }
  27
  28     public static class DefaultRandom extends SecureRandomSpi {
  29
  30         private static final SecureRandom random = RandomUtils.getSecureRandom();
  31
  32         public DefaultRandom() {
  33         }
  34
  35         protected void engineSetSeed(byte[] bytes) {
  36             random.setSeed(bytes);
  37         }
  38
  39         protected void engineNextBytes(byte[] bytes) {
  40             random.nextBytes(bytes);
  41         }
  42
  43         protected byte[] engineGenerateSeed(int numBytes) {
  44             return random.generateSeed(numBytes);
  45         }
  46     }
  47 }