Package javax.crypto.spec

Examples of javax.crypto.spec.OAEPParameterSpec

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        } else { // PAD_OAEP_MGF1
            if ((mode == MODE_SIGN) || (mode == MODE_VERIFY)) {
                throw new InvalidKeyException
                        ("OAEP cannot be used to sign or verify signatures");
            }
            OAEPParameterSpec myParams;
            if (params != null) {
                if (!(params instanceof OAEPParameterSpec)) {
                    throw new InvalidAlgorithmParameterException
                        ("Wrong Parameters for OAEP Padding");
                }
                myParams = (OAEPParameterSpec) params;
            } else {
                myParams = new OAEPParameterSpec(oaepHashAlgorithm, "MGF1",
                    MGF1ParameterSpec.SHA1, PSource.PSpecified.DEFAULT);
            }
            padding = RSAPadding.getInstance(RSAPadding.PAD_OAEP_MGF1, n,
                random, myParams);
            if (encrypt) {
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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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        X509Certificate remoteCert,
        Crypto crypto
    ) throws WSSecurityException {
        Cipher cipher = WSSecurityUtil.getCipherInstance(keyEncAlgo);
        try {
            OAEPParameterSpec oaepParameterSpec = null;
            if (WSConstants.KEYTRANSPORT_RSAOEP.equals(keyEncAlgo)) {
                String jceDigestAlgorithm = "SHA-1";
                if (digestAlgo != null) {
                    jceDigestAlgorithm = JCEMapper.translateURItoJCEID(digestAlgo);
                }
               
                oaepParameterSpec =
                    new OAEPParameterSpec(
                        jceDigestAlgorithm, "MGF1", new MGF1ParameterSpec("SHA-1"), PSource.PSpecified.DEFAULT
                    );
            }
            if (oaepParameterSpec == null) {
                cipher.init(Cipher.WRAP_MODE, remoteCert);
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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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    public static class RsaOaep256 extends RsaKeyManagementAlgorithm implements KeyManagementAlgorithm
    {
        public RsaOaep256()
        {
            super("RSA/ECB/OAEPWithSHA-256AndMGF1Padding", KeyManagementAlgorithmIdentifiers.RSA_OAEP_256);
            setAlgorithmParameterSpec(new OAEPParameterSpec("SHA-256", "MGF1", MGF1ParameterSpec.SHA256, PSource.PSpecified.DEFAULT));
        }
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        String mgfName = "MGF1";
        AlgorithmParameterSpec mgfSpec = MGF1ParameterSpec.SHA1;
        PSource pSrc = PSource.PSpecified.DEFAULT;

        try {
            new OAEPParameterSpec(null, mgfName, mgfSpec, pSrc);
            fail("NullPointerException should be thrown in the case of "
                    + "null mdName.");
        } catch (NullPointerException e) {
        }

        try {
            new OAEPParameterSpec(mdName, null, mgfSpec, pSrc);
            fail("NullPointerException should be thrown in the case of "
                    + "null mgfName.");
        } catch (NullPointerException e) {
        }

        try {
            new OAEPParameterSpec(mdName, mgfName, mgfSpec, null);
            fail("NullPointerException should be thrown in the case of "
                    + "null pSrc.");
        } catch (NullPointerException e) {
        }
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        String mdName = "SHA-1";
        String mgfName = "MGF1";
        AlgorithmParameterSpec mgfSpec = MGF1ParameterSpec.SHA1;
        PSource pSrc = PSource.PSpecified.DEFAULT;

        OAEPParameterSpec ps = new OAEPParameterSpec(mdName, mgfName,
                                                                mgfSpec, pSrc);
        assertTrue("The returned value does not equal to the "
                + "value specified in the constructor.",
                ps.getDigestAlgorithm().equals(mdName));
    }
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        String mdName = "SHA-1";
        String mgfName = "MGF1";
        AlgorithmParameterSpec mgfSpec = MGF1ParameterSpec.SHA1;
        PSource pSrc = PSource.PSpecified.DEFAULT;

        OAEPParameterSpec ps = new OAEPParameterSpec(mdName, mgfName,
                                                                mgfSpec, pSrc);
        assertTrue("The returned value does not equal to the "
                + "value specified in the constructor.",
                ps.getMGFAlgorithm().equals(mgfName));
    }
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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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