Examples of OAEPParameterSpec

javax.crypto.spec.OAEPParameterSpec
etf.org/rfc/rfc3447.txt">PKCS #1 standard.

Examples of javax.crypto.spec.OAEPParameterSpec

                                MGF1ParameterSpec mgfParameterSpec = new MGF1ParameterSpec("SHA-1");
                                if (encryptionKeyTransportMGFAlgorithm != null) {
                                    String jceMGFAlgorithm = JCEAlgorithmMapper.translateURItoJCEID(encryptionKeyTransportMGFAlgorithm);
                                    mgfParameterSpec = new MGF1ParameterSpec(jceMGFAlgorithm);
                                }
                                algorithmParameterSpec = new OAEPParameterSpec(jceDigestAlgorithm, "MGF1", mgfParameterSpec, pSource);
                            }


                            if (pubKey != null) {
                                cipher.init(Cipher.WRAP_MODE, pubKey, algorithmParameterSpec);
                            } else {

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Examples of javax.crypto.spec.OAEPParameterSpec

        // Now perform the encryption


        try {
            // Should internally generate an IV
            // todo - allow user to set an IV
            OAEPParameterSpec oaepParameters = 
                constructOAEPParameters(
                    algorithm, digestAlg, mgfAlgorithm, oaepParams
                );
            if (oaepParameters == null) {
                c.init(Cipher.WRAP_MODE, this.key);

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Examples of javax.crypto.spec.OAEPParameterSpec


        Key ret;
        
        try {
            EncryptionMethod encMethod = encryptedKey.getEncryptionMethod();
            OAEPParameterSpec oaepParameters = 
                constructOAEPParameters(
                    encMethod.getAlgorithm(), encMethod.getDigestAlgorithm(),
                    encMethod.getMGFAlgorithm(), encMethod.getOAEPparams()
                );
            if (oaepParameters == null) {

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Examples of javax.crypto.spec.OAEPParameterSpec

                    mgfParameterSpec = new MGF1ParameterSpec("SHA-384");
                } else if (EncryptionConstants.MGF1_SHA512.equals(mgfAlgorithm)) {
                    mgfParameterSpec = new MGF1ParameterSpec("SHA-512");
                }
            }
            return new OAEPParameterSpec(jceDigestAlgorithm, "MGF1", mgfParameterSpec, pSource);
        }
        
        return null;
    }

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Examples of javax.crypto.spec.OAEPParameterSpec

            );
        }
        
        try {
            PrivateKey privateKey = data.getDecCrypto().getPrivateKey(certs[0], data.getCallbackHandler());
            OAEPParameterSpec oaepParameterSpec = null;
            if (WSConstants.KEYTRANSPORT_RSAOEP.equals(encryptedKeyTransportMethod)
                    || WSConstants.KEYTRANSPORT_RSAOEP_XENC11.equals(encryptedKeyTransportMethod)) {
                // Get the DigestMethod if it exists
                String digestAlgorithm = getDigestAlgorithm(elem);
                String jceDigestAlgorithm = "SHA-1";
                if (digestAlgorithm != null && !"".equals(digestAlgorithm)) {
                    jceDigestAlgorithm = JCEMapper.translateURItoJCEID(digestAlgorithm);
                }


                String mgfAlgorithm = getMGFAlgorithm(elem);
                MGF1ParameterSpec mgfParameterSpec = new MGF1ParameterSpec("SHA-1");
                if (mgfAlgorithm != null) {
                    if (WSConstants.MGF_SHA224.equals(mgfAlgorithm)) {
                        mgfParameterSpec = new MGF1ParameterSpec("SHA-224");
                    } else if (WSConstants.MGF_SHA256.equals(mgfAlgorithm)) {
                        mgfParameterSpec = new MGF1ParameterSpec("SHA-256");
                    } else if (WSConstants.MGF_SHA384.equals(mgfAlgorithm)) {
                        mgfParameterSpec = new MGF1ParameterSpec("SHA-384");
                    } else if (WSConstants.MGF_SHA512.equals(mgfAlgorithm)) {
                        mgfParameterSpec = new MGF1ParameterSpec("SHA-512");
                    }
                }


                PSource.PSpecified pSource = PSource.PSpecified.DEFAULT;
                byte[] pSourceBytes = getPSource(elem);
                if (pSourceBytes != null) {
                    pSource = new PSource.PSpecified(pSourceBytes);
                }
                
                oaepParameterSpec = 
                    new OAEPParameterSpec(
                        jceDigestAlgorithm, "MGF1", mgfParameterSpec, pSource
                    );
            }
            if (oaepParameterSpec == null) {
                cipher.init(Cipher.UNWRAP_MODE, privateKey);

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Examples of javax.crypto.spec.OAEPParameterSpec

        //
        // OAEP - SHA1 with specified string
        //
        c = Cipher.getInstance("RSA/NONE/OAEPPadding", "BC");


        c.init(Cipher.ENCRYPT_MODE, pubKey, new OAEPParameterSpec("SHA1", "MGF1", new MGF1ParameterSpec("SHA1"), new PSource.PSpecified(new byte[] { 1, 2, 3, 4, 5 })), rand);


        out = c.doFinal(input);


        oaepP = c.getParameters();

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Examples of javax.crypto.spec.OAEPParameterSpec


        byte[] enctext = sCipher.doFinal(data);


        Cipher bcCipher = Cipher.getInstance("RSA/ECB/OAEPWith" + digest + "AndMGF1Padding", "BC");


        bcCipher.init(Cipher.DECRYPT_MODE, privKey, new OAEPParameterSpec(digest, "MGF1", MGF1ParameterSpec.SHA1, PSource.PSpecified.DEFAULT));


        byte[] plaintext = bcCipher.doFinal(enctext);


        if (!Arrays.areEqual(plaintext, data))
        {
            fail("data did not decrypt first time");
        }


        bcCipher.init(Cipher.ENCRYPT_MODE, pubKey, new OAEPParameterSpec(digest, "MGF1", MGF1ParameterSpec.SHA1, PSource.PSpecified.DEFAULT));


        enctext = bcCipher.doFinal(data);


        sCipher.init(Cipher.DECRYPT_MODE, priv2048Key);

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Examples of javax.crypto.spec.OAEPParameterSpec

        {
            cipher = new ISO9796d1Encoding(new RSABlindedEngine());
        }
        else if (pad.equals("OAEPWITHMD5ANDMGF1PADDING"))
        {
            initFromSpec(new OAEPParameterSpec("MD5", "MGF1", new MGF1ParameterSpec("MD5"), PSource.PSpecified.DEFAULT));
        }
        else if (pad.equals("OAEPPADDING"))
        {
            initFromSpec(OAEPParameterSpec.DEFAULT);
        }
        else if (pad.equals("OAEPWITHSHA1ANDMGF1PADDING") || pad.equals("OAEPWITHSHA-1ANDMGF1PADDING"))
        {
            initFromSpec(OAEPParameterSpec.DEFAULT);
        }
        else if (pad.equals("OAEPWITHSHA224ANDMGF1PADDING") || pad.equals("OAEPWITHSHA-224ANDMGF1PADDING"))
        {
            initFromSpec(new OAEPParameterSpec("SHA-224", "MGF1", new MGF1ParameterSpec("SHA-224"), PSource.PSpecified.DEFAULT));
        }
        else if (pad.equals("OAEPWITHSHA256ANDMGF1PADDING") || pad.equals("OAEPWITHSHA-256ANDMGF1PADDING"))
        {
            initFromSpec(new OAEPParameterSpec("SHA-256", "MGF1", MGF1ParameterSpec.SHA256, PSource.PSpecified.DEFAULT));
        }
        else if (pad.equals("OAEPWITHSHA384ANDMGF1PADDING") || pad.equals("OAEPWITHSHA-384ANDMGF1PADDING"))
        {
            initFromSpec(new OAEPParameterSpec("SHA-384", "MGF1", MGF1ParameterSpec.SHA384, PSource.PSpecified.DEFAULT));
        }
        else if (pad.equals("OAEPWITHSHA512ANDMGF1PADDING") || pad.equals("OAEPWITHSHA-512ANDMGF1PADDING"))
        {
            initFromSpec(new OAEPParameterSpec("SHA-512", "MGF1", MGF1ParameterSpec.SHA512, PSource.PSpecified.DEFAULT));
        }
        else
        {
            throw new NoSuchPaddingException(padding + " unavailable with RSA.");
        }

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Examples of javax.crypto.spec.OAEPParameterSpec

                throw new InvalidKeyException("unknown key type passed to RSA");
            }
            
            if (params != null)
            {
                OAEPParameterSpec spec = (OAEPParameterSpec)params;
                
                paramSpec = params;
                
                if (!spec.getMGFAlgorithm().equalsIgnoreCase("MGF1") && !spec.getMGFAlgorithm().equals(PKCSObjectIdentifiers.id_mgf1.getId()))
                {
                    throw new InvalidAlgorithmParameterException("unknown mask generation function specified");
                }
                
                if (!(spec.getMGFParameters() instanceof MGF1ParameterSpec))
                {
                    throw new InvalidAlgorithmParameterException("unkown MGF parameters");
                }
    
                Digest digest = DigestFactory.getDigest(spec.getDigestAlgorithm());


                if (digest == null)
                {
                    throw new InvalidAlgorithmParameterException("no match on digest algorithm: "+ spec.getDigestAlgorithm());
                }


                MGF1ParameterSpec mgfParams = (MGF1ParameterSpec)spec.getMGFParameters();
                Digest mgfDigest = DigestFactory.getDigest(mgfParams.getDigestAlgorithm());
                
                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 javax.crypto.spec.OAEPParameterSpec

        {
            initFromSpec(OAEPParameterSpec.DEFAULT);
        }
        else if (pad.equals("OAEPWITHMD5ANDMGF1PADDING"))
        {
            initFromSpec(new OAEPParameterSpec("MD5", "MGF1", new MGF1ParameterSpec("MD5"), PSource.PSpecified.DEFAULT));
        }
        else if (pad.equals("OAEPWITHSHA1ANDMGF1PADDING"))
        {
            initFromSpec(OAEPParameterSpec.DEFAULT);
        }
        else if (pad.equals("OAEPWITHSHA224ANDMGF1PADDING"))
        {
            initFromSpec(new OAEPParameterSpec("SHA-224", "MGF1", new MGF1ParameterSpec("SHA-224"), PSource.PSpecified.DEFAULT));
        }
        else if (pad.equals("OAEPWITHSHA256ANDMGF1PADDING"))
        {
            initFromSpec(new OAEPParameterSpec("SHA-256", "MGF1", MGF1ParameterSpec.SHA256, PSource.PSpecified.DEFAULT));
        }
        else if (pad.equals("OAEPWITHSHA384ANDMGF1PADDING"))
        {
            initFromSpec(new OAEPParameterSpec("SHA-384", "MGF1", MGF1ParameterSpec.SHA384, PSource.PSpecified.DEFAULT));
        }
        else if (pad.equals("OAEPWITHSHA512ANDMGF1PADDING"))
        {
            initFromSpec(new OAEPParameterSpec("SHA-512", "MGF1", MGF1ParameterSpec.SHA512, PSource.PSpecified.DEFAULT));
        }
        else
        {
            throw new NoSuchPaddingException(padding + " unavailable with ElGamal.");
        }

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