Example #1
0
  private void runVector(StreamCipher hc, String fileName, PeekableLineReader r, String vectorName)
      throws IOException {
    //        System.out.println(fileName + " => " + vectorName);
    String hexKey = readBlock(r);
    String hexIV = readBlock(r);

    CipherParameters cp = new KeyParameter(Hex.decode(hexKey));
    cp = new ParametersWithIV(cp, Hex.decode(hexIV));
    hc.init(true, cp);

    byte[] input = new byte[64];
    byte[] output = new byte[64];
    byte[] digest = new byte[64];
    int pos = 0;

    for (; ; ) {
      String line1 = r.peekLine().trim();
      int equalsPos = line1.indexOf('=');
      String lead = line1.substring(0, equalsPos - 1);

      String hexData = readBlock(r);
      byte[] data = Hex.decode(hexData);

      if (lead.equals("xor-digest")) {
        if (!Arrays.areEqual(data, digest)) {
          fail("Failed in " + fileName + " for test vector: " + vectorName + " at " + lead);
          //                  System.out.println(fileName + " => " + vectorName + " failed at " +
          // lead); return;
        }
        break;
      }

      int posA = lead.indexOf('[');
      int posB = lead.indexOf("..");
      int posC = lead.indexOf(']');
      int start = Integer.parseInt(lead.substring(posA + 1, posB));
      int end = Integer.parseInt(lead.substring(posB + 2, posC));

      if (start % 64 != 0 || (end - start != 63)) {
        throw new IllegalStateException(vectorName + ": " + lead + " not on 64 byte boundaries");
      }

      while (pos < end) {
        hc.processBytes(input, 0, input.length, output, 0);
        xor(digest, output);
        pos += 64;
      }

      if (!Arrays.areEqual(data, output)) {
        fail("Failed in " + fileName + " for test vector: " + vectorName + " at " + lead);
        //              System.out.println(fileName + " => " + vectorName + " failed at " + lead);
        // return;
      }
    }
  }
 private static ECField convertField(FiniteField field) {
   if (ECAlgorithms.isFpField(field)) {
     return new ECFieldFp(field.getCharacteristic());
   } else // if (ECAlgorithms.isF2mField(curveField))
   {
     Polynomial poly = ((PolynomialExtensionField) field).getMinimalPolynomial();
     int[] exponents = poly.getExponentsPresent();
     int[] ks = Arrays.reverse(Arrays.copyOfRange(exponents, 1, exponents.length - 1));
     return new ECFieldF2m(poly.getDegree(), ks);
   }
 }
Example #3
0
 public BulkData(
     byte[] chunkData, int[] chunkX, int[] chunkZ, boolean skylight, short[] bitmap, short[] add) {
   this.chunkData = ByteUtils.clone(chunkData);
   this.chunkX = Arrays.copyOf(chunkX, chunkX.length);
   this.chunkZ = Arrays.copyOf(chunkZ, chunkZ.length);
   this.skylight = skylight;
   this.bitmap = new short[bitmap.length];
   System.arraycopy(bitmap, 0, this.bitmap, 0, bitmap.length);
   this.add = new short[add.length];
   System.arraycopy(add, 0, this.add, 0, add.length);
 }
  @BeforeClass
  public static void setUpBeforeClass() throws Exception {
    Log.info(
        Log.FAC_TEST,
        "Setting up NDNNetworkObjectTestRepo, prefix {0}",
        testHelper.getClassNamespace());

    NDNHandle myhandle = NDNHandle.open();
    try {
      ns = new ContentName[NUM_LINKS];
      for (int i = 0; i < NUM_LINKS; ++i) {
        ns[i] =
            new ContentName(testHelper.getClassNamespace(), "Links", prefix + Integer.toString(i));
      }
      Arrays.fill(publisherid1, (byte) 6);
      Arrays.fill(publisherid2, (byte) 3);

      pubID1 = new PublisherID(publisherid1, PublisherType.KEY);
      pubID2 = new PublisherID(publisherid2, PublisherType.ISSUER_KEY);

      las[0] = new LinkAuthenticator(pubID1);
      las[1] = null;
      las[2] = new LinkAuthenticator(pubID2, null, null, SignedInfo.ContentType.DATA, contenthash1);
      las[3] = new LinkAuthenticator(pubID1, null, NDNTime.now(), null, contenthash1);

      for (int j = 4; j < NUM_LINKS; ++j) {
        las[j] = new LinkAuthenticator(pubID2, null, NDNTime.now(), null, null);
      }

      lrs = new Link[NUM_LINKS];
      for (int i = 0; i < lrs.length; ++i) {
        lrs[i] = new Link(ns[i], las[i]);
      }

      empty = new Collection();
      small1 = new Collection();
      small2 = new Collection();
      for (int i = 0; i < 5; ++i) {
        small1.add(lrs[i]);
        small2.add(lrs[i + 5]);
      }
      big = new Collection();
      for (int i = 0; i < NUM_LINKS; ++i) {
        big.add(lrs[i]);
      }
      Log.info(
          Log.FAC_TEST,
          "Finihed setting up NDNNetworkObjectTestRepo, prefix {0}",
          testHelper.getClassNamespace());
    } finally {
      myhandle.close();
      KeyManager.closeDefaultKeyManager();
    }
  }
Example #5
0
  private void testGCMGeneric(byte[] K, byte[] N, byte[] A, byte[] P, byte[] C)
      throws InvalidKeyException, NoSuchAlgorithmException, NoSuchPaddingException,
          IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException,
          NoSuchProviderException, IOException, InvalidParameterSpecException {
    Cipher eax = Cipher.getInstance("AES/GCM/NoPadding", "BC");
    SecretKeySpec key = new SecretKeySpec(K, "AES");

    // GCMParameterSpec mapped to AEADParameters and overrides default MAC
    // size
    GCMParameterSpec spec = new GCMParameterSpec(128, N);
    eax.init(Cipher.ENCRYPT_MODE, key, spec);

    eax.updateAAD(A);
    byte[] c = eax.doFinal(P);

    if (!areEqual(C, c)) {
      fail("JCE encrypt with additional data and GCMParameterSpec failed.");
    }

    eax = Cipher.getInstance("GCM", "BC");
    eax.init(Cipher.DECRYPT_MODE, key, spec);
    eax.updateAAD(A);
    byte[] p = eax.doFinal(C);

    if (!areEqual(P, p)) {
      fail("JCE decrypt with additional data and GCMParameterSpec failed.");
    }

    AlgorithmParameters algParams = eax.getParameters();

    byte[] encParams = algParams.getEncoded();

    GCMParameters gcmParameters = GCMParameters.getInstance(encParams);

    if (!Arrays.areEqual(spec.getIV(), gcmParameters.getNonce())
        || spec.getTLen() != gcmParameters.getIcvLen()) {
      fail("parameters mismatch");
    }

    GCMParameterSpec gcmSpec = algParams.getParameterSpec(GCMParameterSpec.class);

    if (!Arrays.areEqual(gcmSpec.getIV(), gcmParameters.getNonce())
        || gcmSpec.getTLen() != gcmParameters.getIcvLen() * 8) {
      fail("spec parameters mismatch");
    }

    if (!Arrays.areEqual(eax.getIV(), gcmParameters.getNonce())) {
      fail("iv mismatch");
    }
  }
Example #6
0
  public void performTest() throws Exception {
    for (int i = 0; i != cipherTests.length; i += 8) {
      testECB(
          Integer.parseInt(cipherTests[i]),
          Hex.decode(cipherTests[i + 1]),
          Hex.decode(cipherTests[i + 2]),
          Hex.decode(cipherTests[i + 3]));

      testCFB(
          Integer.parseInt(cipherTests[i + 4]),
          Hex.decode(cipherTests[i + 4 + 1]),
          Hex.decode(cipherTests[i + 4 + 2]),
          Hex.decode(cipherTests[i + 4 + 3]));

      oidTest();
    }

    Mac mac = Mac.getInstance("GOST28147MAC", "BC");

    mac.init(
        new SecretKeySpec(
            Hex.decode("0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"),
            "GOST28147"));

    if (!Arrays.areEqual(
        Hex.decode("1b69996e"),
        mac.doFinal(Hex.decode("4e6f77206973207468652074696d6520666f7220616c6c20")))) {
      fail("mac test falied.");
    }
  }
Example #7
0
  /**
   * Calculates the MacTag (to be used for key confirmation), as defined by <a
   * href="http://csrc.nist.gov/publications/nistpubs/800-56A/SP800-56A_Revision1_Mar08-2007.pdf">NIST
   * SP 800-56A Revision 1</a>, Section 8.2 Unilateral Key Confirmation for Key Agreement Schemes.
   *
   * <p>
   *
   * <p>
   *
   * <pre>
   * MacTag = HMAC(MacKey, MacLen, MacData)
   *
   * MacKey = H(K || "JPAKE_KC")
   *
   * MacData = "KC_1_U" || participantId || partnerParticipantId || gx1 || gx2 || gx3 || gx4
   *
   * Note that both participants use "KC_1_U" because the sender of the round 3 message
   * is always the initiator for key confirmation.
   *
   * HMAC = {@link HMac} used with the given {@link Digest}
   * H = The given {@link Digest}</li>
   * MacLen = length of MacTag
   * </pre>
   *
   * <p>
   */
  public static BigInteger calculateMacTag(
      String participantId,
      String partnerParticipantId,
      BigInteger gx1,
      BigInteger gx2,
      BigInteger gx3,
      BigInteger gx4,
      BigInteger keyingMaterial,
      Digest digest) {
    byte[] macKey = calculateMacKey(keyingMaterial, digest);

    HMac mac = new HMac(digest);
    byte[] macOutput = new byte[mac.getMacSize()];
    mac.init(new KeyParameter(macKey));

    /*
     * MacData = "KC_1_U" || participantId_Alice || participantId_Bob || gx1 || gx2 || gx3 || gx4.
     */
    updateMac(mac, "KC_1_U");
    updateMac(mac, participantId);
    updateMac(mac, partnerParticipantId);
    updateMac(mac, gx1);
    updateMac(mac, gx2);
    updateMac(mac, gx3);
    updateMac(mac, gx4);

    mac.doFinal(macOutput, 0);

    Arrays.fill(macKey, (byte) 0);

    return new BigInteger(macOutput);
  }
Example #8
0
  /**
   * Reseed the DRBG.
   *
   * @param additionalInput additional input to be added to the DRBG in this step.
   */
  public void reseed(byte[] additionalInput) {
    // 1. seed_material = 0x01 || V || entropy_input || additional_input.
    //
    // 2. seed = Hash_df (seed_material, seedlen).
    //
    // 3. V = seed.
    //
    // 4. C = Hash_df ((0x00 || V), seedlen).
    //
    // 5. reseed_counter = 1.
    //
    // 6. Return V, C, and reseed_counter for the new_working_state.
    //
    // Comment: Precede with a byte of all zeros.
    byte[] entropy = getEntropy();
    byte[] seedMaterial = Arrays.concatenate(ONE, _V, entropy, additionalInput);
    byte[] seed = Utils.hash_df(_digest, seedMaterial, _seedLength);

    _V = seed;
    byte[] subV = new byte[_V.length + 1];
    subV[0] = 0x00;
    System.arraycopy(_V, 0, subV, 1, _V.length);
    _C = Utils.hash_df(_digest, subV, _seedLength);

    _reseedCounter = 1;
  }
Example #9
0
  private void checkMessage(
      Signature sgr, PrivateKey sKey, PublicKey vKey, byte[] message, byte[] sig)
      throws InvalidKeyException, SignatureException {
    byte[] kData =
        BigIntegers.asUnsignedByteArray(
            new BigInteger(
                "700000017569056646655505781757157107570501575775705779575555657156756655"));

    SecureRandom k = new FixedSecureRandom(kData);

    sgr.initSign(sKey, k);

    sgr.update(message);

    byte[] sigBytes = sgr.sign();

    if (!Arrays.areEqual(sigBytes, sig)) {
      fail(new String(message) + " signature incorrect");
    }

    sgr.initVerify(vKey);

    sgr.update(message);

    if (!sgr.verify(sigBytes)) {
      fail(new String(message) + " verification failed");
    }
  }
Example #10
0
 /**
  * Create an iso7816Certificate structure from a body and its signature.
  *
  * @param body the Iso7816CertificateBody object containing the body.
  * @param signature the byte array containing the signature
  * @throws IOException if there is a problem parsing the data.
  */
 public CVCertificate(CertificateBody body, byte[] signature) throws IOException {
   certificateBody = body;
   this.signature = Arrays.clone(signature);
   // patch remi
   valid |= bodyValid;
   valid |= signValid;
 }
Example #11
0
  private void verifyRSASignatures(CMSSignedData s, byte[] contentDigest) throws Exception {
    Store certStore = s.getCertificates();
    SignerInformationStore signers = s.getSignerInfos();

    Collection c = signers.getSigners();
    Iterator it = c.iterator();

    while (it.hasNext()) {
      SignerInformation signer = (SignerInformation) it.next();
      Collection certCollection = certStore.getMatches(signer.getSID());

      Iterator certIt = certCollection.iterator();
      X509CertificateHolder cert = (X509CertificateHolder) certIt.next();

      if (!signer.verify(
          new BcRSASignerInfoVerifierBuilder(
                  new DefaultCMSSignatureAlgorithmNameGenerator(),
                  new DefaultSignatureAlgorithmIdentifierFinder(),
                  new DefaultDigestAlgorithmIdentifierFinder(),
                  new BcDigestCalculatorProvider())
              .build(cert))) {
        fail("signature verification failed");
      }

      if (contentDigest != null) {
        if (!Arrays.areEqual(contentDigest, signer.getContentDigest())) {
          fail("digest verification failed");
        }
      }
    }
  }
Example #12
0
 /**
  * Create an address
  *
  * @param type - COMMON or P2SH
  * @param address - digest of key (COMMON) or script (P2SH)
  * @throws ValidationException - thrown if digest length is not 20 bytes
  */
 public Address(Type type, byte[] address) throws ValidationException {
   this.type = type;
   if (address.length != 20) {
     throw new ValidationException("invalid digest length for an address");
   }
   this.bytes = Arrays.clone(address);
 }
Example #13
0
 /**
  * Returns true if we know the prefix has a child matching the given name component.
  *
  * @param childComponent name component to check for in the stored child names.
  * @return true if that child is in our list of known children
  */
 public boolean hasChild(byte[] childComponent) {
   for (ContentName child : _children) {
     if (Arrays.areEqual(childComponent, child.component(0))) {
       return true;
     }
   }
   return false;
 }
  boolean asn1Equals(ASN1Primitive o) {
    if (!(o instanceof DERGeneralString)) {
      return false;
    }
    DERGeneralString s = (DERGeneralString) o;

    return Arrays.areEqual(string, s.string);
  }
Example #15
0
  private void CTR_DRBG_Reseed_algorithm(byte[] additionalInput) {
    byte[] seedMaterial = Arrays.concatenate(getEntropy(), additionalInput);

    seedMaterial = Block_Cipher_df(seedMaterial, _seedLength);

    CTR_DRBG_Update(seedMaterial, _Key, _V);

    _reseedCounter = 1;
  }
Example #16
0
  @Test
  public void testPaddedVersions() throws Exception {
    ContentName name = ContentName.fromNative("/testme");
    long v0 = 0x80FFFF;
    byte[] b0 = {VersioningProfile.VERSION_MARKER, (byte) 0x80, (byte) 0xFF, (byte) 0xFF};

    ContentName vn0 = VersioningProfile.addVersion(name, v0);
    byte[] x0 = VersioningProfile.getLastVersionComponent(vn0);
    System.out.println("From long name   : " + vn0.toString());
    Assert.assertTrue(Arrays.areEqual(b0, x0));

    // now do it as ccntime
    CCNTime t0 = CCNTime.fromBinaryTimeAsLong(v0);
    vn0 = VersioningProfile.addVersion(name, t0);
    x0 = VersioningProfile.getLastVersionComponent(vn0);
    System.out.println("From ccntime name: " + vn0.toString());
    Assert.assertTrue(Arrays.areEqual(b0, x0));
  }
Example #17
0
  public byte[] decodeCiphertext(short type, byte[] ciphertext, int offset, int len)
      throws IOException {
    int blockSize = decryptCipher.getBlockSize();
    int macSize = readMac.getSize();

    /*
     *  TODO[TLS 1.1] Explicit IV implies minLen = blockSize + max(blockSize, macSize + 1),
     *  and will need further changes to offset and plen variables below.
     */

    int minLen = Math.max(blockSize, macSize + 1);
    if (len < minLen) {
      throw new TlsFatalAlert(AlertDescription.decode_error);
    }

    if (len % blockSize != 0) {
      throw new TlsFatalAlert(AlertDescription.decryption_failed);
    }

    for (int i = 0; i < len; i += blockSize) {
      decryptCipher.processBlock(ciphertext, offset + i, ciphertext, offset + i);
    }

    int plen = len;

    // If there's anything wrong with the padding, this will return zero
    int totalPad = checkPaddingConstantTime(ciphertext, offset, plen, blockSize, macSize);

    int macInputLen = plen - totalPad - macSize;

    byte[] decryptedMac =
        Arrays.copyOfRange(ciphertext, offset + macInputLen, offset + macInputLen + macSize);
    byte[] calculatedMac =
        readMac.calculateMacConstantTime(
            type, ciphertext, offset, macInputLen, plen - macSize, randomData);

    boolean badMac = !Arrays.constantTimeAreEqual(calculatedMac, decryptedMac);

    if (badMac || totalPad == 0) {
      throw new TlsFatalAlert(AlertDescription.bad_record_mac);
    }

    return Arrays.copyOfRange(ciphertext, offset, offset + macInputLen);
  }
  /** Karazuba multiplication */
  private BigIntPolynomial multRecursive(BigIntPolynomial poly2) {
    BigInteger[] a = coeffs;
    BigInteger[] b = poly2.coeffs;

    int n = poly2.coeffs.length;
    if (n <= 1) {
      BigInteger[] c = Arrays.clone(coeffs);
      for (int i = 0; i < coeffs.length; i++) {
        c[i] = c[i].multiply(poly2.coeffs[0]);
      }
      return new BigIntPolynomial(c);
    } else {
      int n1 = n / 2;

      BigIntPolynomial a1 = new BigIntPolynomial(Arrays.copyOf(a, n1));
      BigIntPolynomial a2 = new BigIntPolynomial(Arrays.copyOfRange(a, n1, n));
      BigIntPolynomial b1 = new BigIntPolynomial(Arrays.copyOf(b, n1));
      BigIntPolynomial b2 = new BigIntPolynomial(Arrays.copyOfRange(b, n1, n));

      BigIntPolynomial A = (BigIntPolynomial) a1.clone();
      A.add(a2);
      BigIntPolynomial B = (BigIntPolynomial) b1.clone();
      B.add(b2);

      BigIntPolynomial c1 = a1.multRecursive(b1);
      BigIntPolynomial c2 = a2.multRecursive(b2);
      BigIntPolynomial c3 = A.multRecursive(B);
      c3.sub(c1);
      c3.sub(c2);

      BigIntPolynomial c = new BigIntPolynomial(2 * n - 1);
      for (int i = 0; i < c1.coeffs.length; i++) {
        c.coeffs[i] = c1.coeffs[i];
      }
      for (int i = 0; i < c3.coeffs.length; i++) {
        c.coeffs[n1 + i] = c.coeffs[n1 + i].add(c3.coeffs[i]);
      }
      for (int i = 0; i < c2.coeffs.length; i++) {
        c.coeffs[2 * n1 + i] = c.coeffs[2 * n1 + i].add(c2.coeffs[i]);
      }
      return c;
    }
  }
Example #19
0
 @Override
 public boolean equals(Object obj) {
   if (this == obj) {
     return true;
   }
   if (obj == null || getClass() != obj.getClass()) {
     return false;
   }
   return Arrays.areEqual(bytes, ((Address) obj).bytes) && type == ((Address) obj).type;
 }
Example #20
0
  public void testBasic() throws Exception {
    SMIMECompressedGenerator cgen = new SMIMECompressedGenerator();
    ByteArrayOutputStream bOut = new ByteArrayOutputStream();
    MimeBodyPart cbp = cgen.generate(msg, new ZlibCompressor());

    SMIMECompressed sc = new SMIMECompressed(cbp);

    msg.writeTo(bOut);

    assertTrue(Arrays.areEqual(bOut.toByteArray(), sc.getContent(new ZlibExpanderProvider())));
  }
Example #21
0
 protected int[] getCipherSuites() {
   return Arrays.concatenate(
       super.getCipherSuites(),
       new int[] {
         CipherSuite.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,
         CipherSuite.TLS_ECDHE_RSA_WITH_ESTREAM_SALSA20_SHA1,
         CipherSuite.TLS_ECDHE_RSA_WITH_SALSA20_SHA1,
         CipherSuite.TLS_RSA_WITH_ESTREAM_SALSA20_SHA1,
         CipherSuite.TLS_RSA_WITH_SALSA20_SHA1,
       });
 }
 public static byte[] decodeB64UrlSafe(final byte[] data) {
   byte[] encode = Arrays.copyOf(data, data.length);
   for (int i = 0; i < encode.length; i++) {
     if (encode[i] == '-') {
       encode[i] = '+';
     } else if (encode[i] == '_') {
       encode[i] = '/';
     }
   }
   return Base64.decodeBase64(encode);
 }
 /**
  * Subtracts another polynomial which can have a different number of coefficients.
  *
  * @param b another polynomial
  */
 public void sub(BigIntPolynomial b) {
   if (b.coeffs.length > coeffs.length) {
     int N = coeffs.length;
     coeffs = Arrays.copyOf(coeffs, b.coeffs.length);
     for (int i = N; i < coeffs.length; i++) {
       coeffs[i] = Constants.BIGINT_ZERO;
     }
   }
   for (int i = 0; i < b.coeffs.length; i++) {
     coeffs[i] = coeffs[i].subtract(b.coeffs[i]);
   }
 }
Example #24
0
  ASN1Boolean(byte[] value) {
    if (value.length != 1) {
      throw new IllegalArgumentException("byte value should have 1 byte in it");
    }

    if (value[0] == 0) {
      this.value = FALSE_VALUE;
    } else if ((value[0] & 0xff) == 0xff) {
      this.value = TRUE_VALUE;
    } else {
      this.value = Arrays.clone(value);
    }
  }
Example #25
0
  private void tryRsaPkcs15Sig(
      String algorithm,
      byte[] data,
      PrivateKey signingKey,
      PublicKey verifyKey,
      ASN1ObjectIdentifier sigOid,
      ASN1ObjectIdentifier hashOid)
      throws Exception {
    Signature sig;
    byte[] sigBytes;
    sig = Signature.getInstance(algorithm, "BC");

    sig.initSign(signingKey);

    sig.update(data);

    sigBytes = sig.sign();

    sig.initVerify(verifyKey);

    sig.update(data);

    if (!sig.verify(sigBytes)) {
      fail(algorithm + " verification failed");
    }

    Cipher c = Cipher.getInstance("RSA/NONE/PKCS1Padding", "BC");

    c.init(Cipher.DECRYPT_MODE, verifyKey);

    DigestInfo digInfo = DigestInfo.getInstance(c.doFinal(sigBytes));

    isTrue("digest alg not match", digInfo.getAlgorithmId().getAlgorithm().equals(hashOid));

    sig = Signature.getInstance(sigOid.getId(), "BC");

    sig.initSign(signingKey);

    sig.update(data);

    isTrue("sig not matched", Arrays.areEqual(sigBytes, sig.sign()));

    sig.initVerify(verifyKey);

    sig.update(data);

    if (!sig.verify(sigBytes)) {
      fail(algorithm + " oid verification failed");
    }
  }
Example #26
0
  private void CTR_DRBG_Instantiate_algorithm(
      byte[] entropy, byte[] nonce, byte[] personalisationString) {
    byte[] seedMaterial = Arrays.concatenate(entropy, nonce, personalisationString);
    byte[] seed = Block_Cipher_df(seedMaterial, _seedLength);

    int outlen = _engine.getBlockSize();

    _Key = new byte[(_keySizeInBits + 7) / 8];
    _V = new byte[outlen];

    // _Key & _V are modified by this call
    CTR_DRBG_Update(seed, _Key, _V);

    _reseedCounter = 1;
  }
  public void testAES256() throws Exception {
    MimeMessage message = loadMessage("test256.message");

    SMIMEEnveloped env = new SMIMEEnveloped(message);

    RecipientInformationStore store = env.getRecipientInfos();

    RecipientInformation recipInfo = store.get(new JceKeyTransRecipientId(loadCert("cert.pem")));

    assertNotNull(recipInfo);

    byte[] content = recipInfo.getContent(new JceKeyTransEnvelopedRecipient(loadKey("key.pem")));

    assertTrue(org.bouncycastle.util.Arrays.areEqual(testMessage, content));
  }
Example #28
0
  public boolean verify(DigestCalculatorProvider calculatorProvider) throws CMSException {
    try {
      ContentInfo content = digestedData.getEncapContentInfo();
      DigestCalculator calc = calculatorProvider.get(digestedData.getDigestAlgorithm());

      OutputStream dOut = calc.getOutputStream();

      dOut.write(((ASN1OctetString) content.getContent()).getOctets());

      return Arrays.areEqual(digestedData.getDigest(), calc.getDigest());
    } catch (OperatorCreationException e) {
      throw new CMSException("unable to create digest calculator: " + e.getMessage(), e);
    } catch (IOException e) {
      throw new CMSException("unable process content: " + e.getMessage(), e);
    }
  }
  /**
   * Multiplies the polynomial by another, taking the indices mod N. Does not change this polynomial
   * but returns the result as a new polynomial.<br>
   * Both polynomials must have the same number of coefficients.
   *
   * @param poly2 the polynomial to multiply by
   * @return a new polynomial
   */
  public BigIntPolynomial mult(BigIntPolynomial poly2) {
    int N = coeffs.length;
    if (poly2.coeffs.length != N) {
      throw new IllegalArgumentException("Number of coefficients must be the same");
    }

    BigIntPolynomial c = multRecursive(poly2);

    if (c.coeffs.length > N) {
      for (int k = N; k < c.coeffs.length; k++) {
        c.coeffs[k - N] = c.coeffs[k - N].add(c.coeffs[k]);
      }
      c.coeffs = Arrays.copyOf(c.coeffs, N);
    }
    return c;
  }
Example #30
0
    public boolean equals(Object anObject) {
      if (anObject == this) {
        return true;
      }

      if (!(anObject instanceof ECFieldElement.F2m)) {
        return false;
      }

      ECFieldElement.F2m b = (ECFieldElement.F2m) anObject;

      return ((this.m == b.m)
          && (this.representation == b.representation)
          && Arrays.areEqual(this.ks, b.ks)
          && (this.x.equals(b.x)));
    }