Examples of java.security.spec.AlgorithmParameterSpec

java.security.spec.AlgorithmParameterSpec
A (transparent) specification of cryptographic parameters.
This interface contains no methods or constants. Its only purpose is to group (and provide type safety for) all parameter specifications. All parameter specifications must implement this interface. @author Jan Luehe @version 1.15, 11/17/05 @see java.security.AlgorithmParameters @see DSAParameterSpec @since 1.2

        byte[]  shared_secret = sts_engine.getSharedSecret();
                
          SecretKeySpec  secret_key_spec1 = new SecretKeySpec(shared_secret, 0, 16, "AES" );
          SecretKeySpec  secret_key_spec2 = new SecretKeySpec(shared_secret, 8, 16, "AES" );
            
          AlgorithmParameterSpec  param_spec1 =   new IvParameterSpec( AES_IV1);
          AlgorithmParameterSpec  param_spec2 =   new IvParameterSpec( AES_IV2);      
              
          Cipher cipher1 = Cipher.getInstance( "AES/CBC/PKCS5Padding" );
          Cipher cipher2 = Cipher.getInstance( "AES/CBC/PKCS5Padding" );
            
          if ( connection.isIncoming()){

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        Key                 key,
        AlgorithmParameters params,
        SecureRandom        random) 
    throws InvalidKeyException, InvalidAlgorithmParameterException
    {
        AlgorithmParameterSpec  paramSpec = null;


        if (params != null)
        {
            for (int i = 0; i != availableSpecs.length; i++)
            {

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                        }


                        try {
                            Cipher cipher = Cipher.getInstance(jceid);


                            AlgorithmParameterSpec algorithmParameterSpec = null;
                            if (XMLSecurityConstants.NS_XENC11_RSAOAEP.equals(encryptionKeyTransportAlgorithm) ||
                                    XMLSecurityConstants.NS_XENC_RSAOAEPMGF1P.equals(encryptionKeyTransportAlgorithm)) {


                                String jceDigestAlgorithm = "SHA-1";
                                if (encryptionKeyTransportDigestAlgorithm != null) {

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    @Override
    public int hashCode() {
        int result = 17;
        result = 31 * result + getAlgorithm().hashCode();
        AlgorithmParameterSpec spec = getParameterSpec();
        if (spec != null) {
            result = 31 * result + spec.hashCode();
        }


        return result;
    }

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        // Now perform the encryption


        int ivLen = JCEMapper.getIVLengthFromURI(algorithm) / 8;
        byte[] iv = XMLSecurityConstants.generateBytes(ivLen);
        try {
            AlgorithmParameterSpec paramSpec = constructBlockCipherParameters(algorithm, iv);
            c.init(cipherMode, key, paramSpec);
        } catch (InvalidKeyException ike) {
            throw new XMLEncryptionException("empty", ike);
        }

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            try {
                // This class only added in Java 1.7. So load reflectively until Santuario starts targeting a minimum of Java 1.7. 
                Class<?> gcmSpecClass = ClassLoaderUtils.loadClass("javax.crypto.spec.GCMParameterSpec", this.getClass());
                
                // XML Encryption 1.1 mandates a 128-bit Authentication Tag for AES GCM modes.
                AlgorithmParameterSpec gcmSpec = (AlgorithmParameterSpec) gcmSpecClass.getConstructor(int.class, byte[].class)
                        .newInstance(128, iv);
                log.debug("Successfully created GCMParameterSpec");
                return gcmSpec;
            } catch (Exception e) {
                // This handles the case of Java < 1.7 with a third-party security provider that

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        // and it will only take the first x bytes, but no way to be certain
        // that this will work for every JCE provider, so lets copy the
        // necessary bytes into a dedicated array.


        System.arraycopy(encryptedBytes, 0, ivBytes, 0, ivLen);
        AlgorithmParameterSpec paramSpec = constructBlockCipherParameters(algorithm, ivBytes);


        try {
            c.init(cipherMode, key, paramSpec);
        } catch (InvalidKeyException ike) {
            throw new XMLEncryptionException("empty", ike);

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        if (!WSConstants.C14N_EXCL_OMIT_COMMENTS.equals(c14nMethod)) {
            bspEnforcer.handleBSPRule(BSPRule.R5404);
        }


        // Not allowed HMAC OutputLength
        AlgorithmParameterSpec parameterSpec = 
            xmlSignature.getSignedInfo().getSignatureMethod().getParameterSpec();
        if (parameterSpec instanceof HMACParameterSpec) {
            bspEnforcer.handleBSPRule(BSPRule.R5401);
        }

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        Key                 key,
        AlgorithmParameters params,
        SecureRandom        random) 
    throws InvalidKeyException, InvalidAlgorithmParameterException
    {
        AlgorithmParameterSpec  paramSpec = null;


        if (params != null)
        {
            for (int i = 0; i != availableSpecs.length; i++)
            {

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        Key key,
        AlgorithmParameters params,
        SecureRandom random)
    throws InvalidKeyException, InvalidAlgorithmParameterException
    {
        AlgorithmParameterSpec paramSpec = null;


        if (params != null)
        {
            try
            {

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