Examples of OAEPEncoding

Examples of org.bouncycastle.crypto.encodings.OAEPEncoding

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        {
            cipher = new BufferedAsymmetricBlockCipher(new PKCS1Encoding(new ElGamalEngine()));
        }
        else if (pad.equals("OAEPPADDING"))
        {
            cipher = new BufferedAsymmetricBlockCipher(new OAEPEncoding(new ElGamalEngine()));
        }
        else if (pad.equals("ISO9796-1PADDING"))
        {
            cipher = new BufferedAsymmetricBlockCipher(new ISO9796d1Encoding(new ElGamalEngine()));
        }
        else if (pad.equals("OAEPWITHMD5ANDMGF1PADDING"))
        {
            cipher = new BufferedAsymmetricBlockCipher(new OAEPEncoding(new ElGamalEngine(), new MD5Digest()));
        }
        else if (pad.equals("OAEPWITHSHA1ANDMGF1PADDING"))
        {
            cipher = new BufferedAsymmetricBlockCipher(new OAEPEncoding(new ElGamalEngine(), new SHA1Digest()));
        }
        else if (pad.equals("OAEPWITHSHA224ANDMGF1PADDING"))
        {
            cipher = new BufferedAsymmetricBlockCipher(new OAEPEncoding(new ElGamalEngine(), new SHA224Digest()));
        }
        else if (pad.equals("OAEPWITHSHA256ANDMGF1PADDING"))
        {
            cipher = new BufferedAsymmetricBlockCipher(new OAEPEncoding(new ElGamalEngine(), new SHA256Digest()));
        }
        else if (pad.equals("OAEPWITHSHA384ANDMGF1PADDING"))
        {
            cipher = new BufferedAsymmetricBlockCipher(new OAEPEncoding(new ElGamalEngine(), new SHA384Digest()));
        }
        else if (pad.equals("OAEPWITHSHA512ANDMGF1PADDING"))
        {
            cipher = new BufferedAsymmetricBlockCipher(new OAEPEncoding(new ElGamalEngine(), new SHA512Digest()));
        }
        else
        {
            throw new NoSuchPaddingException(padding + " unavailable with ElGamal.");
        }
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Examples of org.bouncycastle.crypto.encodings.OAEPEncoding

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        if (digest == null)
        {
            throw new NoSuchPaddingException("no match on OAEP constructor for digest algorithm: "+ mgfParams.getDigestAlgorithm());
        }

        cipher = new OAEPEncoding(new RSABlindedEngine(), digest, ((PSource.PSpecified)pSpec.getPSource()).getValue());
        paramSpec = pSpec;
    }
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Examples of org.bouncycastle.crypto.encodings.OAEPEncoding

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                if (mgfDigest == null)
                {
                    throw new InvalidAlgorithmParameterException("no match on MGF digest algorithm: "+ mgfParams.getDigestAlgorithm());
                }
               
                cipher = new OAEPEncoding(new RSABlindedEngine(), digest, mgfDigest, ((PSource.PSpecified)spec.getPSource()).getValue());
            }
        }
        else
        {
            throw new IllegalArgumentException("unknown parameter type.");
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Examples of org.bouncycastle.crypto.encodings.OAEPEncoding

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    try {
      AsymmetricBlockCipher engine = new RSAEngine();

      // JCA identifier RSA/ECB/OAEPWithSHA-1AndMGF1Padding ?
      OAEPEncoding cipher = new OAEPEncoding(engine);

      BigInteger mod = pub.getModulus();
      BigInteger exp = pub.getPublicExponent();
      RSAKeyParameters keyParams = new RSAKeyParameters(false, mod, exp);
      cipher.init(true, keyParams);

      int inputBlockSize = cipher.getInputBlockSize();
      int outputBlockSize = cipher.getOutputBlockSize();

      byte[] keyBytes = cek.getEncoded();

      return cipher.processBlock(keyBytes, 0, keyBytes.length);

    } catch (Exception e) {

      // org.bouncycastle.crypto.InvalidCipherTextException
      throw new RuntimeException("Couldn't encrypt Content Encryption Key (CEK): " + e.getMessage(), e);
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Examples of org.bouncycastle.crypto.encodings.OAEPEncoding

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                               final byte[] encryptedCEK)
    throws RuntimeException {

    try {
      RSAEngine engine = new RSAEngine();
      OAEPEncoding cipher = new OAEPEncoding(engine);
     
      BigInteger mod = priv.getModulus();
      BigInteger exp = priv.getPrivateExponent();

      RSAKeyParameters keyParams = new RSAKeyParameters(true, mod, exp);
      cipher.init(false, keyParams);
      byte[] secretKeyBytes = cipher.processBlock(encryptedCEK, 0, encryptedCEK.length);
      return new SecretKeySpec(secretKeyBytes, "AES");

    } catch (Exception e) {

      // org.bouncycastle.crypto.InvalidCipherTextException
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Examples of org.bouncycastle.crypto.encodings.OAEPEncoding

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        {
            cipher = new BufferedAsymmetricBlockCipher(new PKCS1Encoding(new ElGamalEngine()));
        }
        else if (pad.equals("OAEPPADDING"))
        {
            cipher = new BufferedAsymmetricBlockCipher(new OAEPEncoding(new ElGamalEngine()));
        }
        else if (pad.equals("ISO9796-1PADDING"))
        {
            cipher = new BufferedAsymmetricBlockCipher(new ISO9796d1Encoding(new ElGamalEngine()));
        }
        else if (pad.equals("OAEPWITHMD5ANDMGF1PADDING"))
        {
            cipher = new BufferedAsymmetricBlockCipher(new OAEPEncoding(new ElGamalEngine(), new MD5Digest()));
        }
        else if (pad.equals("OAEPWITHSHA1ANDMGF1PADDING"))
        {
            cipher = new BufferedAsymmetricBlockCipher(new OAEPEncoding(new ElGamalEngine(), new SHA1Digest()));
        }
        else if (pad.equals("OAEPWITHSHA224ANDMGF1PADDING"))
        {
            cipher = new BufferedAsymmetricBlockCipher(new OAEPEncoding(new ElGamalEngine(), new SHA224Digest()));
        }
        else if (pad.equals("OAEPWITHSHA256ANDMGF1PADDING"))
        {
            cipher = new BufferedAsymmetricBlockCipher(new OAEPEncoding(new ElGamalEngine(), new SHA256Digest()));
        }
        else if (pad.equals("OAEPWITHSHA384ANDMGF1PADDING"))
        {
            cipher = new BufferedAsymmetricBlockCipher(new OAEPEncoding(new ElGamalEngine(), new SHA384Digest()));
        }
        else if (pad.equals("OAEPWITHSHA512ANDMGF1PADDING"))
        {
            cipher = new BufferedAsymmetricBlockCipher(new OAEPEncoding(new ElGamalEngine(), new SHA512Digest()));
        }
        else
        {
            throw new NoSuchPaddingException(padding + " unavailable with ElGamal.");
        }
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Examples of org.bouncycastle.crypto.encodings.OAEPEncoding

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        {
            cipher = new PKCS1Encoding(new RSAEngine());
        }
        else if (pad.equals("OAEPPADDING"))
        {
            cipher = new OAEPEncoding(new RSAEngine());
        }
        else if (pad.equals("ISO9796-1PADDING"))
        {
            cipher = new ISO9796d1Encoding(new RSAEngine());
        }
        else if (pad.equals("OAEPWITHMD5ANDMGF1PADDING"))
        {
            cipher = new OAEPEncoding(new RSAEngine(), new MD5Digest());
        }
        else if (pad.equals("OAEPWITHSHA1ANDMGF1PADDING"))
        {
            cipher = new OAEPEncoding(new RSAEngine(), new SHA1Digest());
        }
        else if (pad.equals("OAEPWITHSHA224ANDMGF1PADDING"))
        {
            cipher = new OAEPEncoding(new RSAEngine(), new SHA224Digest());
        }
        else if (pad.equals("OAEPWITHSHA256ANDMGF1PADDING"))
        {
            cipher = new OAEPEncoding(new RSAEngine(), new SHA256Digest());
        }
        else if (pad.equals("OAEPWITHSHA384ANDMGF1PADDING"))
        {
            cipher = new OAEPEncoding(new RSAEngine(), new SHA384Digest());
        }
        else if (pad.equals("OAEPWITHSHA512ANDMGF1PADDING"))
        {
            cipher = new OAEPEncoding(new RSAEngine(), new SHA512Digest());
        }
        else
        {
            throw new NoSuchPaddingException(padding + " unavailable with RSA.");
        }
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Examples of org.bouncycastle.crypto.encodings.OAEPEncoding

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    static public class OAEPPadding
        extends JCERSACipher
    {
        public OAEPPadding()
        {
            super(new OAEPEncoding(new RSAEngine()));
        }
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Examples of org.bouncycastle2.crypto.encodings.OAEPEncoding

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        if (digest == null)
        {
            throw new NoSuchPaddingException("no match on OAEP constructor for digest algorithm: "+ mgfParams.getDigestAlgorithm());
        }

        cipher = new OAEPEncoding(new RSABlindedEngine(), digest, ((PSource.PSpecified)pSpec.getPSource()).getValue());
        paramSpec = pSpec;
    }
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Examples of org.bouncycastle2.crypto.encodings.OAEPEncoding

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                if (mgfDigest == null)
                {
                    throw new InvalidAlgorithmParameterException("no match on MGF digest algorithm: "+ mgfParams.getDigestAlgorithm());
                }
               
                cipher = new OAEPEncoding(new RSABlindedEngine(), digest, mgfDigest, ((PSource.PSpecified)spec.getPSource()).getValue());
            }
        }
        else
        {
            throw new IllegalArgumentException("unknown parameter type.");
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