/*
 * Copyright (c) 2003, 2006, Oracle and/or its affiliates. All rights reserved.
 */

/* Copyright  (c) 2002 Graz University of Technology. All rights reserved.
 *
 * Redistribution and use in  source and binary forms, with or without
 * modification, are permitted  provided that the following conditions are met:
 *
 * 1. Redistributions of  source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in  binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * 3. The end-user documentation included with the redistribution, if any, must
 *    include the following acknowledgment:
 *
 *    "This product includes software developed by IAIK of Graz University of
 *     Technology."
 *
 *    Alternately, this acknowledgment may appear in the software itself, if
 *    and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Graz University of Technology" and "IAIK of Graz University of
 *    Technology" must not be used to endorse or promote products derived from
 *    this software without prior written permission.
 *
 * 5. Products derived from this software may not be called
 *    "IAIK PKCS Wrapper", nor may "IAIK" appear in their name, without prior
 *    written permission of Graz University of Technology.
 *
 *  THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
 *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 *  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE LICENSOR BE
 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 *  OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 *  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 *  OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 *  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 *  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY  OF SUCH DAMAGE.
 */

package sun.security.pkcs11.wrapper;


/**
 * class CK_ECDH1_DERIVE_PARAMS provides the parameters to the
 * CKM_ECDH1_DERIVE and CKM_ECDH1_COFACTOR_DERIVE mechanisms.<p>
 * <B>PKCS#11 structure:</B>
 * <PRE>
 * typedef struct CK_ECDH1_DERIVE_PARAMS {
 *   CK_EC_KDF_TYPE kdf;
 *   CK_ULONG ulSharedDataLen;
 *   CK_BYTE_PTR pSharedData;
 *   CK_ULONG ulPublicDataLen;
 *   CK_BYTE_PTR pPublicData;
 * } CK_ECDH1_DERIVE_PARAMS;
 * </PRE>
 *
 * @author Karl Scheibelhofer <Karl.Scheibelhofer@iaik.at>
 */
public class CK_ECDH1_DERIVE_PARAMS {

    /**
     * <B>PKCS#11:</B>
     * <PRE>
     *   CK_EC_KDF_TYPE kdf;
     * </PRE>
     */
    public long kdf;

    /**
     * <B>PKCS#11:</B>
     * <PRE>
     *   CK_ULONG ulSharedDataLen;
     *   CK_BYTE_PTR pSharedData;
     * </PRE>
     */
    public byte[] pSharedData;

    /**
     * <B>PKCS#11:</B>
     * <PRE>
     *   CK_ULONG ulPublicDataLen;
     *   CK_BYTE_PTR pPublicData;
     * </PRE>
     */
    public byte[] pPublicData;

    public CK_ECDH1_DERIVE_PARAMS(long kdf, byte[] pSharedData, byte[] pPublicData) {
        this.kdf = kdf;
        this.pSharedData = pSharedData;
        this.pPublicData = pPublicData;
    }

    /**
     * Returns the string representation of CK_PKCS5_PBKD2_PARAMS.
     *
     * @return the string representation of CK_PKCS5_PBKD2_PARAMS
     */
    public String toString() {
        StringBuffer buffer = new StringBuffer();

        buffer.append(Constants.INDENT);
        buffer.append("kdf: 0x");
        buffer.append(Functions.toFullHexString(kdf));
        buffer.append(Constants.NEWLINE);

        buffer.append(Constants.INDENT);
        buffer.append("pSharedDataLen: ");
        buffer.append(pSharedData.length);
        buffer.append(Constants.NEWLINE);

        buffer.append(Constants.INDENT);
        buffer.append("pSharedData: ");
        buffer.append(Functions.toHexString(pSharedData));
        buffer.append(Constants.NEWLINE);

        buffer.append(Constants.INDENT);
        buffer.append("pPublicDataLen: ");
        buffer.append(pPublicData.length);
        buffer.append(Constants.NEWLINE);

        buffer.append(Constants.INDENT);
        buffer.append("pPublicData: ");
        buffer.append(Functions.toHexString(pPublicData));
        //buffer.append(Constants.NEWLINE);

        return buffer.toString();
    }

}