Package org.bouncycastle.bcpg

Examples of org.bouncycastle.bcpg.S2K

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        byte[]        iv = new byte[8];
       
        rand.nextBytes(iv);
       
        S2K            s2k = new S2K(HashAlgorithmTags.SHA1, iv, 0x60);
       
        methods.add(new PBEMethod(defAlgorithm, s2k, PGPUtil.makeKeyFromPassPhrase(defAlgorithm, s2k, passPhrase, defProvider)));
    }
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            {
                byte[]       iv = new byte[8];
               
                rand.nextBytes(iv);
               
                S2K          s2k = new S2K(HashAlgorithmTags.SHA1, iv, 0x60);
                SecretKey    key = PGPUtil.makeKeyFromPassPhrase(encAlgorithm, s2k, passPhrase, provider);
   
                c.init(Cipher.ENCRYPT_MODE, key, rand);
           
                iv = c.getIV();
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        throws PGPException
    {
        byte[]   rawKeyData = key.extractKeyData(oldPassPhrase, provider);
        int        s2kUsage = key.secret.getS2KUsage();
        byte[]           iv = null;
        S2K             s2k = null;
        byte[]      keyData;

        if (newEncAlgorithm == SymmetricKeyAlgorithmTags.NULL)
        {
            s2kUsage = SecretKeyPacket.USAGE_NONE;
            if (key.secret.getS2KUsage() == SecretKeyPacket.USAGE_SHA1)   // SHA-1 hash, need to rewrite checksum
            {
                keyData = new byte[rawKeyData.length - 18];

                System.arraycopy(rawKeyData, 0, keyData, 0, keyData.length - 2);

                byte[] check = checksum(false, keyData, keyData.length - 2);
               
                keyData[keyData.length - 2] = check[0];
                keyData[keyData.length - 1] = check[1];
            }
            else
            {
                keyData = rawKeyData;
            }
        }
        else
        {
            Cipher      c = null;
            String      cName = PGPUtil.getSymmetricCipherName(newEncAlgorithm);
           
            try
            {
                c = Cipher.getInstance(cName + "/CFB/NoPadding", provider);
            }
            catch (Exception e)
            {
                throw new PGPException("Exception creating cipher", e);
            }
           
            iv = new byte[8];
           
            rand.nextBytes(iv);
           
            s2k = new S2K(HashAlgorithmTags.SHA1, iv, 0x60);
           
            try
            {               
                SecretKey    sKey = PGPUtil.makeKeyFromPassPhrase(newEncAlgorithm, s2k, newPassPhrase, provider);
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                keyData = bOut.toByteArray(); // include checksum

                byte[] encData = keyEncryptor.encryptKeyData(keyData, 0, keyData.length);
                byte[] iv = keyEncryptor.getCipherIV();

                S2K    s2k = keyEncryptor.getS2K();

                int s2kUsage;

                if (checksumCalculator != null)
                {
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        throws PGPException
    {
        byte[]   rawKeyData = key.extractKeyData(oldKeyDecryptor);
        int        s2kUsage = key.secret.getS2KUsage();
        byte[]      iv = null;
        S2K         s2k = null;
        byte[]      keyData;
        int         newEncAlgorithm = SymmetricKeyAlgorithmTags.NULL;

        if (newKeyEncryptor == null || newKeyEncryptor.getAlgorithm() == SymmetricKeyAlgorithmTags.NULL)
        {
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        {
            byte[]        iv = new byte[8];

            random.nextBytes(iv);

            s2k = new S2K(s2kDigestCalculator.getAlgorithm(), iv, 0x60);
        }

        return PGPUtil.makeKeyFromPassPhrase(s2kDigestCalculator, encAlgorithm, s2k, passPhrase);
    }
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                random = new SecureRandom();
            }

            random.nextBytes(iv);

            s2k = new S2K(s2kDigestCalculator.getAlgorithm(), iv, 0x60);
        }

        return PGPUtil.makeKeyFromPassPhrase(s2kDigestCalculator, encAlgorithm, s2k, passPhrase);
    }
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            {
                byte[]       iv = new byte[8];
               
                rand.nextBytes(iv);
               
                S2K          s2k = new S2K(HashAlgorithmTags.SHA1, iv, 0x60);
                SecretKey    key = PGPUtil.makeKeyFromPassPhrase(encAlgorithm, s2k, passPhrase, provider);
   
                c.init(Cipher.ENCRYPT_MODE, key, rand);
           
                iv = c.getIV();
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        throws PGPException, NoSuchProviderException
    {
        byte[]   rawKeyData = key.extractKeyData(oldPassPhrase, provider);
        int        s2kUsage = key.secret.getS2KUsage();
        byte[]           iv = null;
        S2K             s2k = null;
        byte[]      keyData = null;

        if (newEncAlgorithm == SymmetricKeyAlgorithmTags.NULL)
        {
            s2kUsage = SecretKeyPacket.USAGE_NONE;
            if (key.secret.getS2KUsage() == SecretKeyPacket.USAGE_SHA1)   // SHA-1 hash, need to rewrite checksum
            {
                keyData = new byte[rawKeyData.length - 18];

                System.arraycopy(rawKeyData, 0, keyData, 0, keyData.length - 2);

                byte[] check = checksum(false, keyData, keyData.length - 2);
               
                keyData[keyData.length - 2] = check[0];
                keyData[keyData.length - 1] = check[1];
            }
            else
            {
                keyData = rawKeyData;
            }
        }
        else
        {
            Cipher      c = null;
            String      cName = PGPUtil.getSymmetricCipherName(newEncAlgorithm);
           
            try
            {
                c = Cipher.getInstance(cName + "/CFB/NoPadding", provider);
            }
            catch (NoSuchProviderException e)
            {
                throw e;
            }
            catch (Exception e)
            {
                throw new PGPException("Exception creating cipher", e);
            }
           
            iv = new byte[8];
           
            rand.nextBytes(iv);
           
            s2k = new S2K(HashAlgorithmTags.SHA1, iv, 0x60);
           
            try
            {               
                SecretKey    sKey = PGPUtil.makeKeyFromPassPhrase(newEncAlgorithm, s2k, newPassPhrase, provider);
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    {
        byte[]        iv = new byte[8];
       
        rand.nextBytes(iv);
       
        S2K            s2k = new S2K(HashAlgorithmTags.SHA1, iv, 0x60);
       
        methods.add(new PBEMethod(defAlgorithm, s2k, PGPUtil.makeKeyFromPassPhrase(defAlgorithm, s2k, passPhrase, defProvider)));
    }
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Related Classes of org.bouncycastle.bcpg.S2K

  • org.bouncycastle.openpgp.operator.PBEKeyEncryptionMethodGenerator
  • org.bouncycastle.openpgp.operator.PBESecretKeyEncryptor
  • org.bouncycastle.openpgp.PGPEncryptedDataGenerator
  • org.bouncycastle.openpgp.PGPSecretKey
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