Package org.bouncycastle.crypto

Examples of org.bouncycastle.crypto.Digest

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     *
     **/
    public AuthorityKeyIdentifier(
        SubjectPublicKeyInfo    spki)
    {
        Digest  digest = new SHA1Digest();
        byte[]  resBuf = new byte[digest.getDigestSize()];

        byte[] bytes = spki.getPublicKeyData().getBytes();
        digest.update(bytes, 0, bytes.length);
        digest.doFinal(resBuf, 0);
        this.keyidentifier = new DEROctetString(resBuf);
    }
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    public AuthorityKeyIdentifier(
        SubjectPublicKeyInfo    spki,
        GeneralNames            name,
        BigInteger              serialNumber)
    {
        Digest  digest = new SHA1Digest();
        byte[]  resBuf = new byte[digest.getDigestSize()];

        byte[] bytes = spki.getPublicKeyData().getBytes();
        digest.update(bytes, 0, bytes.length);
        digest.doFinal(resBuf, 0);

        this.keyidentifier = new DEROctetString(resBuf);
        this.certissuer = GeneralNames.getInstance(name.toASN1Object());
        this.certserno = new DERInteger(serialNumber);
    }
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    private void initFromSpec(
        OAEPParameterSpec pSpec)
        throws NoSuchPaddingException
    {
        MGF1ParameterSpec   mgfParams = (MGF1ParameterSpec)pSpec.getMGFParameters();
        Digest              digest = JCEDigestUtil.getDigest(mgfParams.getDigestAlgorithm());
       
        if (digest == null)
        {
            throw new NoSuchPaddingException("no match on OAEP constructor for digest algorithm: "+ mgfParams.getDigestAlgorithm());
        }
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                if (!JCEDigestUtil.isSameDigest(mgfParams.getDigestAlgorithm(), spec.getDigestAlgorithm()))
                {
                    throw new InvalidAlgorithmParameterException("digest algorithm for MGF should be the same as for OAEP parameters.");
                }
               
                Digest              digest = JCEDigestUtil.getDigest(mgfParams.getDigestAlgorithm());
               
                if (digest == null)
                {
                    throw new InvalidAlgorithmParameterException("no match on MGF digest algorithm: "+ mgfParams.getDigestAlgorithm());
                }
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            DigestInputStream  dgIn = new DigestInputStream(cIn, new SHA1Digest());
   
            this.loadStore(dgIn);
   
            Digest  dig = dgIn.getDigest();
            int     digSize = dig.getDigestSize();
            byte[]  hash = new byte[digSize];
            byte[]  oldHash = new byte[digSize];
   
            dig.doFinal(hash, 0);
   
            for (int i = 0; i != digSize; i++)
            {
                oldHash[i] = (byte)cIn.read();
            }
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            CipherOutputStream  cOut = new CipherOutputStream(dOut, cipher);
            DigestOutputStream  dgOut = new DigestOutputStream(cOut, new SHA1Digest());
   
            this.saveStore(dgOut);
   
            Digest  dig = dgOut.getDigest();
            byte[]  hash = new byte[dig.getDigestSize()];
   
            dig.doFinal(hash, 0);
   
            cOut.write(hash);
   
            cOut.close();
        }
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    private void initFromSpec(
        OAEPParameterSpec pSpec)
        throws NoSuchPaddingException
    {
        MGF1ParameterSpec   mgfParams = (MGF1ParameterSpec)pSpec.getMGFParameters();
        Digest              digest = JCEDigestUtil.getDigest(mgfParams.getDigestAlgorithm());
       
        if (digest == null)
        {
            throw new NoSuchPaddingException("no match on OAEP constructor for digest algorithm: "+ mgfParams.getDigestAlgorithm());
        }
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    public static String pbeEncryptStringWithSha256Aes192(final String in) throws NoSuchAlgorithmException, NoSuchProviderException, NoSuchPaddingException, InvalidKeyException, InvalidAlgorithmParameterException, IllegalBlockSizeException, BadPaddingException, UnsupportedEncodingException {
      if (CryptoProviderTools.isUsingExportableCryptography()) {
        log.warn("Obfuscation not possible due to weak crypto policy.");
        return in;
      }
        final Digest digest = new SHA256Digest();
       
        final PKCS12ParametersGenerator   pGen = new PKCS12ParametersGenerator(digest);
        pGen.init(
                PBEParametersGenerator.PKCS12PasswordToBytes(p),
                getSalt(),
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        return "SHA256";
    }

    public TestResult perform()
    {
        Digest  digest = new SHA256Digest();
        byte[]  resBuf = new byte[digest.getDigestSize()];
        String  resStr;

        //
        // test 1
        //
        digest.doFinal(resBuf, 0);

        resStr = new String(Hex.encode(resBuf));
        if (!resVec1.equals(resStr))
        {
            return new SimpleTestResult(false,
                "SHA-256 failing standard vector test 1"
                + System.getProperty("line.separator")
                + "    expected: " + resVec1
                + System.getProperty("line.separator")
                + "    got     : " + resStr);
        }

        //
        // test 2
        //
        byte[]  bytes = Hex.decode(testVec2);

        digest.update(bytes, 0, bytes.length);

        digest.doFinal(resBuf, 0);

        resStr = new String(Hex.encode(resBuf));
        if (!resVec2.equals(resStr))
        {
            return new SimpleTestResult(false,
                "SHA-256 failing standard vector test 2"
                + System.getProperty("line.separator")
                + "    expected: " + resVec2
                + System.getProperty("line.separator")
                + "    got     : " + resStr);
        }

        //
        // test 3
        //
        bytes = Hex.decode(testVec3);

        digest.update(bytes, 0, bytes.length);

        digest.doFinal(resBuf, 0);

        resStr = new String(Hex.encode(resBuf));
        if (!resVec3.equals(resStr))
        {
            return new SimpleTestResult(false,
                "SHA-256 failing standard vector test 3"
                + System.getProperty("line.separator")
                + "    expected: " + resVec3
                + System.getProperty("line.separator")
                + "    got     : " + resStr);
        }

        //
        // test 4
        //
        bytes = Hex.decode(testVec4);

        digest.update(bytes, 0, bytes.length);

        digest.doFinal(resBuf, 0);

        resStr = new String(Hex.encode(resBuf));
        if (!resVec4.equals(resStr))
        {
            return new SimpleTestResult(false,
                "SHA-256 failing standard vector test 4"
                + System.getProperty("line.separator")
                + "    expected: " + resVec4
                + System.getProperty("line.separator")
                + "    got     : " + resStr);
        }

        //
        // test 5
        //
        bytes = Hex.decode(testVec4);

        digest.update(bytes, 0, bytes.length/2);

        // clone the Digest
        Digest d = new SHA256Digest((SHA256Digest)digest);

        digest.update(bytes, bytes.length/2, bytes.length - bytes.length/2);
        digest.doFinal(resBuf, 0);

        resStr = new String(Hex.encode(resBuf));
        if (!resVec4.equals(resStr))
        {
            return new SimpleTestResult(false,
                "SHA256 failing standard vector test 5"
                + System.getProperty("line.separator")
                + "    expected: " + resVec4
                + System.getProperty("line.separator")
                + "    got     : " + resStr);
        }

        d.update(bytes, bytes.length/2, bytes.length - bytes.length/2);
        d.doFinal(resBuf, 0);

        resStr = new String(Hex.encode(resBuf));
        if (!resVec4.equals(resStr))
        {
            return new SimpleTestResult(false,
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        return "SHA512";
    }

    public TestResult perform()
    {
        Digest  digest = new SHA512Digest();
        byte[]  resBuf = new byte[digest.getDigestSize()];
        String  resStr;

        //
        // test 1
        //
        digest.doFinal(resBuf, 0);

        resStr = new String(Hex.encode(resBuf));
        if (!resVec1.equals(resStr))
        {
            return new SimpleTestResult(false,
                "SHA-512 failing standard vector test 1"
                + System.getProperty("line.separator")
                + "    expected: " + resVec1
                + System.getProperty("line.separator")
                + "    got     : " + resStr);
        }

        //
        // test 2
        //
        byte[]  bytes = Hex.decode(testVec2);

        digest.update(bytes, 0, bytes.length);

        digest.doFinal(resBuf, 0);

        resStr = new String(Hex.encode(resBuf));
        if (!resVec2.equals(resStr))
        {
            return new SimpleTestResult(false,
                "SHA-512 failing standard vector test 2"
                + System.getProperty("line.separator")
                + "    expected: " + resVec2
                + System.getProperty("line.separator")
                + "    got     : " + resStr);
        }

        //
        // test 3
        //
        bytes = Hex.decode(testVec3);

        digest.update(bytes, 0, bytes.length);

        digest.doFinal(resBuf, 0);

        resStr = new String(Hex.encode(resBuf));
        if (!resVec3.equals(resStr))
        {
            return new SimpleTestResult(false,
                "SHA-512 failing standard vector test 3"
                + System.getProperty("line.separator")
                + "    expected: " + resVec3
                + System.getProperty("line.separator")
                + "    got     : " + resStr);
        }

        //
        // test 4
        //
        bytes = Hex.decode(testVec4);

        digest.update(bytes, 0, bytes.length);

        digest.doFinal(resBuf, 0);

        resStr = new String(Hex.encode(resBuf));
        if (!resVec4.equals(resStr))
        {
            return new SimpleTestResult(false,
                "SHA-512 failing standard vector test 4"
                + System.getProperty("line.separator")
                + "    expected: " + resVec4
                + System.getProperty("line.separator")
                + "    got     : " + resStr);
        }

        //
        // test 5
        //
        bytes = Hex.decode(testVec4);

        digest.update(bytes, 0, bytes.length/2);

        // clone the Digest
        Digest d = new SHA512Digest((SHA512Digest)digest);

        digest.update(bytes, bytes.length/2, bytes.length - bytes.length/2);
        digest.doFinal(resBuf, 0);

        resStr = new String(Hex.encode(resBuf));
        if (!resVec4.equals(resStr))
        {
            return new SimpleTestResult(false,
                "SHA512 failing standard vector test 5"
                + System.getProperty("line.separator")
                + "    expected: " + resVec4
                + System.getProperty("line.separator")
                + "    got     : " + resStr);
        }

        d.update(bytes, bytes.length/2, bytes.length - bytes.length/2);
        d.doFinal(resBuf, 0);

        resStr = new String(Hex.encode(resBuf));
        if (!resVec4.equals(resStr))
        {
            return new SimpleTestResult(false,
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Related Classes of org.bouncycastle.crypto.Digest

  • com.nimbusds.jose.crypto.ECDSAProvider
  • com.nimbusds.jose.crypto.ECDSASigner
  • com.nimbusds.jose.crypto.ECDSAVerifier
  • org.bouncycastle.asn1.x509.AuthorityKeyIdentifier
  • org.bouncycastle.asn1.x509.SubjectKeyIdentifier
  • org.bouncycastle.crypto.examples.JPAKEExample
  • org.bouncycastle.crypto.generators.DSAParametersGenerator
  • org.bouncycastle.crypto.test.ISO9796Test
  • org.bouncycastle.crypto.test.MD2DigestTest
  • org.bouncycastle.crypto.test.MD4DigestTest
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