Package javax.crypto.spec

Examples of javax.crypto.spec.OAEPParameterSpec

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        {
            try
            {
                RSAESOAEPparams oaepP = RSAESOAEPparams.getInstance(params);

                currentSpec = new OAEPParameterSpec(
                                       oaepP.getHashAlgorithm().getAlgorithm().getId(),
                                       oaepP.getMaskGenAlgorithm().getAlgorithm().getId(),
                                       new MGF1ParameterSpec(AlgorithmIdentifier.getInstance(oaepP.getMaskGenAlgorithm().getParameters()).getAlgorithm().getId()),
                                       new PSource.PSpecified(ASN1OctetString.getInstance(oaepP.getPSourceAlgorithm().getParameters()).getOctets()));
            }
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        X509Certificate[] certs =
            getCertificatesFromEncryptedKey(elem, data, data.getDecCrypto(), wsDocInfo);

        try {
            PrivateKey privateKey = data.getDecCrypto().getPrivateKey(certs[0], data.getCallbackHandler());
            OAEPParameterSpec oaepParameterSpec = null;
            if (WSConstants.KEYTRANSPORT_RSAOEP.equals(encryptedKeyTransportMethod)) {
                oaepParameterSpec =
                    new OAEPParameterSpec(
                        "SHA-1", "MGF1", new MGF1ParameterSpec("SHA-1"), PSource.PSpecified.DEFAULT
                    );
            }
            if (oaepParameterSpec == null) {
                cipher.init(Cipher.DECRYPT_MODE, privateKey);
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        X509Certificate remoteCert,
        Crypto crypto
    ) throws WSSecurityException {
        Cipher cipher = WSSecurityUtil.getCipherInstance(keyEncAlgo);
        try {
            OAEPParameterSpec oaepParameterSpec = null;
            if (WSConstants.KEYTRANSPORT_RSAOEP.equals(keyEncAlgo)) {
                oaepParameterSpec =
                    new OAEPParameterSpec(
                        "SHA-1", "MGF1", new MGF1ParameterSpec("SHA-1"), PSource.PSpecified.DEFAULT
                    );
            }
            if (oaepParameterSpec == null) {
                cipher.init(Cipher.WRAP_MODE, remoteCert);
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            );
        }
       
        try {
            PrivateKey privateKey = data.getDecCrypto().getPrivateKey(certs[0], data.getCallbackHandler());
            OAEPParameterSpec oaepParameterSpec = null;
            if (WSConstants.KEYTRANSPORT_RSAOEP.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);
                }
               
                oaepParameterSpec =
                    new OAEPParameterSpec(
                        jceDigestAlgorithm, "MGF1", new MGF1ParameterSpec("SHA-1"), PSource.PSpecified.DEFAULT
                    );
            }
            if (oaepParameterSpec == null) {
                cipher.init(Cipher.DECRYPT_MODE, privateKey);
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        // 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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        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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                    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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            try
            {
                RSAESOAEPparams oaepP = new RSAESOAEPparams((ASN1Sequence)aIn.readObject());
   
                currentSpec = new OAEPParameterSpec(
                                       oaepP.getHashAlgorithm().getObjectId().getId(),
                                       oaepP.getMaskGenAlgorithm().getObjectId().getId(),
                                       new MGF1ParameterSpec(AlgorithmIdentifier.getInstance(oaepP.getMaskGenAlgorithm().getParameters()).getObjectId().getId()),
                                       new PSource.PSpecified(ASN1OctetString.getInstance(oaepP.getPSourceAlgorithm().getParameters()).getOctets()));
            }
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        //
        // 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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        {
            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"))
        {
            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 RSA.");
        }
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Related Classes of javax.crypto.spec.OAEPParameterSpec

  • com.nimbusds.jose.crypto.RSA_OAEP_256
  • com.sun.crypto.provider.OAEPParameters
  • com.sun.crypto.provider.RSACipher
  • com.sun.org.apache.xml.internal.security.encryption.XMLCipher
  • org.apache.cxf.rs.security.xml.EncryptionUtils
  • org.apache.harmony.crypto.tests.javax.crypto.spec.OAEPParameterSpecTest
  • org.apache.ws.security.message.WSSecEncryptedKey
  • org.apache.ws.security.processor.EncryptedKeyProcessor
  • org.apache.wss4j.dom.message.WSSecEncryptedKey
  • org.apache.wss4j.dom.processor.EncryptedKeyProcessor
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