Exemplo n.º 1
0
 void set(BigInteger yVal, BigInteger pVal, BigInteger qVal, BigInteger gVal)
     throws KeyczarException {
   // Initialize the JSON fields
   y = Base64Coder.encodeWebSafe(yVal.toByteArray());
   p = Base64Coder.encodeWebSafe(pVal.toByteArray());
   q = Base64Coder.encodeWebSafe(qVal.toByteArray());
   g = Base64Coder.encodeWebSafe(gVal.toByteArray());
   init();
 }
Exemplo n.º 2
0
  private final void testSessionDecrypt(String subDir) throws Exception {
    RandomAccessFile activeInput =
        new RandomAccessFile(testData(subDir) + "/2.session.material", "r");
    String sessionMaterial = activeInput.readLine();
    activeInput.close();

    SessionCrypter crypter =
        new SessionCrypter(
            new Crypter(testData(subDir)), Base64Coder.decodeWebSafe(sessionMaterial));

    RandomAccessFile primaryInput =
        new RandomAccessFile(testData(subDir) + "/2.session.ciphertext", "r");
    String activeCiphertext = primaryInput.readLine();
    primaryInput.close();

    byte[] activeDecrypted = crypter.decrypt(Base64Coder.decodeWebSafe(activeCiphertext));
    assertEquals(input, new String(activeDecrypted, Keyczar.DEFAULT_ENCODING));
  }
Exemplo n.º 3
0
 private final void testVerifyAttached(String subDir, String hidden) throws Exception {
   Verifier verifier = new Verifier(testData(subDir));
   String hiddenExt = "";
   if (hidden != "") hiddenExt = "." + hidden;
   RandomAccessFile activeInput =
       new RandomAccessFile(testData(subDir) + "/2" + hiddenExt + ".attached", "r");
   String activeSignature = activeInput.readLine();
   activeInput.close();
   assertTrue(
       verifier.attachedVerify(
           Base64Coder.decodeWebSafe(activeSignature), hidden.getBytes(Keyczar.DEFAULT_ENCODING)));
 }
Exemplo n.º 4
0
  void init() throws KeyczarException {
    BigInteger yVal = new BigInteger(Base64Coder.decodeWebSafe(y));
    BigInteger pVal = new BigInteger(Base64Coder.decodeWebSafe(p));
    BigInteger qVal = new BigInteger(Base64Coder.decodeWebSafe(q));
    BigInteger gVal = new BigInteger(Base64Coder.decodeWebSafe(g));
    DSAPublicKeySpec spec = new DSAPublicKeySpec(yVal, pVal, qVal, gVal);

    try {
      KeyFactory kf = KeyFactory.getInstance(KEY_GEN_ALGORITHM);
      jcePublicKey = kf.generatePublic(spec);
    } catch (GeneralSecurityException e) {
      throw new KeyczarException(e);
    }

    byte[] fullHash =
        Util.prefixHash(
            Util.stripLeadingZeros(pVal.toByteArray()),
            Util.stripLeadingZeros(qVal.toByteArray()),
            Util.stripLeadingZeros(gVal.toByteArray()),
            Util.stripLeadingZeros(yVal.toByteArray()));
    System.arraycopy(fullHash, 0, hash, 0, hash.length);
  }