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


            ecipher = Cipher.getInstance("PBEWithMD5AndDES");
            dcipher = Cipher.getInstance("PBEWithMD5AndDES");


            // Prepare the parameters to the cipthers
            AlgorithmParameterSpec paramSpec = new PBEParameterSpec(salt, iterationCount);


            ecipher.init(Cipher.ENCRYPT_MODE, key, paramSpec);
            dcipher.init(Cipher.DECRYPT_MODE, key, paramSpec);


        } catch (Exception e) {

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

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                try {
                    //encrypt the symmetric session key with the public key from the receiver:
                    String jceid = JCEAlgorithmMapper.translateURItoJCEID(encryptionKeyTransportAlgorithm);
                    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";
                        String encryptionKeyTransportDigestAlgorithm = getSecurityProperties().getEncryptionKeyTransportDigestAlgorithm();

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

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            byte[] blockKey = new byte[4];
            LittleEndian.putInt(blockKey, 0, index);
            byte[] iv = generateIv(header.getHashAlgorithmEx(), header.getKeySalt(), blockKey, blockSize);
            try {
                AlgorithmParameterSpec aps;
                if (header.getCipherAlgorithm() == CipherAlgorithm.rc2) {
                    aps = new RC2ParameterSpec(getSecretKey().getEncoded().length*8, iv);
                } else {
                    aps = new IvParameterSpec(iv);
                }

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            }
            
            if (vec == null) {
                cipher.init(cipherMode, key);
            } else {
                AlgorithmParameterSpec aps;
                if (cipherAlgorithm == CipherAlgorithm.rc2) {
                    aps = new RC2ParameterSpec(key.getEncoded().length*8, vec);
                } else {
                    aps = new IvParameterSpec(vec);
                }

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    public void marshalParams(XMLStructure parent, XMLCryptoContext context)
        throws MarshalException {


  super.marshalParams(parent, context);
  AlgorithmParameterSpec spec = getParameterSpec();
  if (spec == null) {
      return;
  }


  String prefix =

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            byte[] blockKey = new byte[4];
            LittleEndian.putInt(blockKey, 0, index);
            byte[] iv = generateIv(header.getHashAlgorithmEx(), header.getKeySalt(), blockKey, blockSize);
            try {
                AlgorithmParameterSpec aps;
                if (header.getCipherAlgorithm() == CipherAlgorithm.rc2) {
                    aps = new RC2ParameterSpec(getSecretKey().getEncoded().length*8, iv);
                } else {
                    aps = new IvParameterSpec(iv);
                }

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