// 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
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// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.

package iaik.pkcs.pkcs11.wrapper;

import java.math.BigInteger;
import java.util.Hashtable;

/**
 * This class contains onyl static methods. It is the place for all functions
 * that are used by several classes in this package.
 *
 * @author Karl Scheibelhofer <Karl.Scheibelhofer@iaik.at>
 * @author Martin Schl�ffer <schlaeff@sbox.tugraz.at>
 */
public class Functions {

	/**
	 * Maps mechanism codes as Long to their names as Strings.
	 */
	protected static Hashtable mechansimNames_;

	/**
	 * This table contains the mechanisms that are full encrypt/decrypt
	 * mechanisms; i.e. mechanisms that support the update functoins.
	 * The Long values of the mechanisms are the keys, and the mechanism
	 * names are the values.
	 */
	protected static Hashtable fullEncryptDecryptMechanisms_;

	/**
	 * This table contains the mechanisms that are single-operation
	 * encrypt/decrypt mechanisms; i.e. mechanisms that do not support the update
	 * functoins.
	 * The Long values of the mechanisms are the keys, and the mechanism
	 * names are the values.
	 */
	protected static Hashtable singleOperationEncryptDecryptMechanisms_;

	/**
	 * This table contains the mechanisms that are full sign/verify
	 * mechanisms; i.e. mechanisms that support the update functoins.
	 * The Long values of the mechanisms are the keys, and the mechanism
	 * names are the values.
	 */
	protected static Hashtable fullSignVerifyMechanisms_;

	/**
	 * This table contains the mechanisms that are single-operation
	 * sign/verify mechanisms; i.e. mechanisms that do not support the update
	 * functoins.
	 * The Long values of the mechanisms are the keys, and the mechanism
	 * names are the values.
	 */
	protected static Hashtable singleOperationSignVerifyMechanisms_;

	/**
	 * This table contains the mechanisms that are sign/verify mechanisms with
	 * message recovery.
	 * The Long values of the mechanisms are the keys, and the mechanism
	 * names are the values.
	 */
	protected static Hashtable signVerifyRecoverMechanisms_;

	/**
	 * This table contains the mechanisms that are digest mechanisms.
	 * The Long values of the mechanisms are the keys, and the mechanism
	 * names are the values.
	 */
	protected static Hashtable digestMechanisms_;

	/**
	 * This table contains the mechanisms that key generation mechanisms; i.e.
	 * mechanisms for generating symmetric keys.
	 * The Long values of the mechanisms are the keys, and the mechanism
	 * names are the values.
	 */
	protected static Hashtable keyGenerationMechanisms_;

	/**
	 * This table contains the mechanisms that key-pair generation mechanisms;
	 * i.e. mechanisms for generating key-pairs.
	 * The Long values of the mechanisms are the keys, and the mechanism
	 * names are the values.
	 */
	protected static Hashtable keyPairGenerationMechanisms_;

	/**
	 * This table contains the mechanisms that are wrap/unwrap mechanisms.
	 * The Long values of the mechanisms are the keys, and the mechanism
	 * names are the values.
	 */
	protected static Hashtable wrapUnwrapMechanisms_;

	/**
	 * This table contains the mechanisms that are key derivation mechanisms.
	 * The Long values of the mechanisms are the keys, and the mechanism
	 * names are the values.
	 */
	protected static Hashtable keyDerivationMechanisms_;

	/**
	 * For converting numbers to their hex presentation.
	 */
	protected static final char HEX_DIGITS[] = { '0', '1', '2', '3', '4', '5', '6', '7',
	    '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };

	/**
	 * Converts a long value to a hexadecimal String of length 16. Includes
	 * leading zeros if necessary.
	 *
	 * @param value The long value to be converted.
	 * @return The hexadecimal string representation of the long value.
	 */
	public static String toFullHexString(long value) {
		long currentValue = value;
		StringBuffer stringBuffer = new StringBuffer(16);
		for (int j = 0; j < 16; j++) {
			int currentDigit = (int) currentValue & 0xf;
			stringBuffer.append(HEX_DIGITS[currentDigit]);
			currentValue >>>= 4;
		}

		return stringBuffer.reverse().toString();
	}

	/**
	 * Converts a int value to a hexadecimal String of length 8. Includes
	 * leading zeros if necessary.
	 *
	 * @param value The int value to be converted.
	 * @return The hexadecimal string representation of the int value.
	 */
	public static String toFullHexString(int value) {
		int currentValue = value;
		StringBuffer stringBuffer = new StringBuffer(8);
		for (int i = 0; i < 8; i++) {
			int currentDigit = currentValue & 0xf;
			stringBuffer.append(HEX_DIGITS[currentDigit]);
			currentValue >>>= 4;
		}

		return stringBuffer.reverse().toString();
	}

	/**
	 * Converts a long value to a hexadecimal String.
	 *
	 * @param value The long value to be converted.
	 * @return The hexadecimal string representation of the long value.
	 */
	public static String toHexString(long value) {
		return Long.toHexString(value);
	}

	/**
	 * Converts a byte array to a hexadecimal String. Each byte is presented by
	 * its two digit hex-code; 0x0A -> "0a", 0x00 -> "00". No leading "0x" is
	 * included in the result.
	 *
	 * @param value the byte array to be converted
	 * @return the hexadecimal string representation of the byte array
	 */
	public static String toHexString(byte[] value) {
		if (value == null) {
			return null;
		}

		StringBuffer buffer = new StringBuffer(2 * value.length);
		int single;

		for (int i = 0; i < value.length; i++) {
			single = value[i] & 0xFF;

			if (single < 0x10) {
				buffer.append('0');
			}

			buffer.append(Integer.toString(single, 16));
		}

		return buffer.toString();
	}

	/**
	 * Converts a long value to a binary String.
	 *
	 * @param value the long value to be converted.
	 * @return the binary string representation of the long value.
	 */
	public static String toBinaryString(long value) {
		return Long.toString(value, 2);
	}

	/**
	 * Converts a byte array to a binary String.
	 *
	 * @param value The byte array to be converted.
	 * @return The binary string representation of the byte array.
	 */
	public static String toBinaryString(byte[] value) {
		BigInteger helpBigInteger = new BigInteger(1, value);

		return helpBigInteger.toString(2);
	}

	/**
	 * Converts the long value flags to a SlotInfoFlag string.
	 *
	 * @param flags The flags to be converted.
	 * @return The SlotInfoFlag string representation of the flags.
	 */
	public static String slotInfoFlagsToString(long flags) {
		StringBuffer buffer = new StringBuffer();
		boolean notFirst = false;

		if ((flags & PKCS11Constants.CKF_TOKEN_PRESENT) != 0L) {
			buffer.append("CKF_TOKEN_PRESENT");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_REMOVABLE_DEVICE) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_TOKEN_PRESENT");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_HW_SLOT) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_HW_SLOT");
		}

		return buffer.toString();
	}

	/**
	 * Converts long value flags to a TokenInfoFlag string.
	 *
	 * @param flags The flags to be converted.
	 * @return The TokenInfoFlag string representation of the flags.
	 */
	public static String tokenInfoFlagsToString(long flags) {
		StringBuffer buffer = new StringBuffer();
		boolean notFirst = false;

		if ((flags & PKCS11Constants.CKF_RNG) != 0L) {
			buffer.append("CKF_RNG");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_WRITE_PROTECTED) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_WRITE_PROTECTED");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_LOGIN_REQUIRED) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_LOGIN_REQUIRED");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_USER_PIN_INITIALIZED) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_USER_PIN_INITIALIZED");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_RESTORE_KEY_NOT_NEEDED) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_RESTORE_KEY_NOT_NEEDED");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_CLOCK_ON_TOKEN) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_CLOCK_ON_TOKEN");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_PROTECTED_AUTHENTICATION_PATH) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_PROTECTED_AUTHENTICATION_PATH");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_DUAL_CRYPTO_OPERATIONS) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_DUAL_CRYPTO_OPERATIONS");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_TOKEN_INITIALIZED) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_TOKEN_INITIALIZED");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_SECONDARY_AUTHENTICATION) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_SECONDARY_AUTHENTICATION");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_USER_PIN_COUNT_LOW) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_USER_PIN_COUNT_LOW");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_USER_PIN_FINAL_TRY) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_USER_PIN_FINAL_TRY");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_USER_PIN_LOCKED) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_USER_PIN_LOCKED");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_USER_PIN_TO_BE_CHANGED) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_USER_PIN_TO_BE_CHANGED");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_SO_PIN_COUNT_LOW) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_SO_PIN_COUNT_LOW");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_SO_PIN_FINAL_TRY) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_SO_PIN_FINAL_TRY");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_SO_PIN_LOCKED) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_USER_PIN_FINAL_TRY");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_SO_PIN_TO_BE_CHANGED) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_USER_PIN_LOCKED");

			notFirst = true;
		}

		return buffer.toString();
	}

	/**
	 * Converts the long value flags to a SessionInfoFlag string.
	 *
	 * @param flags The flags to be converted.
	 * @return The SessionInfoFlag string representation of the flags.
	 */
	public static String sessionInfoFlagsToString(long flags) {
		StringBuffer buffer = new StringBuffer();
		boolean notFirst = false;

		if ((flags & PKCS11Constants.CKF_RW_SESSION) != 0L) {
			buffer.append("CKF_RW_SESSION");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_SERIAL_SESSION) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_SERIAL_SESSION");
		}

		return buffer.toString();
	}

	/**
	 * Converts the long value state to a SessionState string.
	 *
	 * @param state The state to be converted.
	 * @return The SessionState string representation of the state.
	 */
	public static String sessionStateToString(long state) {
		String name;

		if (state == PKCS11Constants.CKS_RO_PUBLIC_SESSION) {
			name = "CKS_RO_PUBLIC_SESSION";
		} else if (state == PKCS11Constants.CKS_RO_USER_FUNCTIONS) {
			name = "CKS_RO_USER_FUNCTIONS";
		} else if (state == PKCS11Constants.CKS_RW_PUBLIC_SESSION) {
			name = "CKS_RW_PUBLIC_SESSION";
		} else if (state == PKCS11Constants.CKS_RW_USER_FUNCTIONS) {
			name = "CKS_RW_USER_FUNCTIONS";
		} else if (state == PKCS11Constants.CKS_RW_SO_FUNCTIONS) {
			name = "CKS_RW_SO_FUNCTIONS";
		} else {
			name = "ERROR: unknown session state 0x" + toFullHexString(state);
		}

		return name;
	}

	/**
	 * Converts the long value flags to a MechanismInfoFlag string.
	 *
	 * @param flags The flags to be converted to a string representation.
	 * @return The MechanismInfoFlag string representation of the flags.
	 */
	public static String mechanismInfoFlagsToString(long flags) {
		StringBuffer buffer = new StringBuffer();
		boolean notFirst = false;

		if ((flags & PKCS11Constants.CKF_HW) != 0L) {
			buffer.append("CKF_HW");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_ENCRYPT) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_ENCRYPT");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_DECRYPT) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_DECRYPT");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_DIGEST) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_DIGEST");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_SIGN) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_SIGN");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_SIGN_RECOVER) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_SIGN_RECOVER");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_VERIFY) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_VERIFY");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_VERIFY_RECOVER) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_VERIFY_RECOVER");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_GENERATE) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_GENERATE");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_GENERATE_KEY_PAIR) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_GENERATE_KEY_PAIR");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_WRAP) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_WRAP");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_UNWRAP) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_UNWRAP");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_DERIVE) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_DERIVE");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_EC_F_P) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_EC_F_P");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_EC_F_2M) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_EC_F_2M");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_EC_ECPARAMETERS) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_EC_ECPARAMETERS");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_EC_NAMEDCURVE) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_EC_NAMEDCURVE");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_EC_UNCOMPRESS) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_EC_UNCOMPRESS");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_EC_COMPRESS) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_EC_COMPRESS");

			notFirst = true;
		}

		if ((flags & PKCS11Constants.CKF_EXTENSION) != 0L) {
			if (notFirst) {
				buffer.append(" | ");
			}

			buffer.append("CKF_EXTENSION");

			notFirst = true;
		}

		return buffer.toString();
	}

	/**
	 * Converts the long value code of a mechanism to a name.
	 *
	 * @param mechansimCode The code of the mechanism to be converted to a string.
	 * @return The string representation of the mechanism.
	 */
	public static String mechanismCodeToString(long mechansimCode) {
		if (mechansimNames_ == null) {
			Hashtable mechansimNames = new Hashtable(200);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RSA_PKCS_KEY_PAIR_GEN),
			    PKCS11Constants.NAME_CKM_RSA_PKCS_KEY_PAIR_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RSA_PKCS),
			    PKCS11Constants.NAME_CKM_RSA_PKCS);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RSA_9796),
			    PKCS11Constants.NAME_CKM_RSA_9796);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RSA_X_509),
			    PKCS11Constants.NAME_CKM_RSA_X_509);
			mechansimNames.put(new Long(PKCS11Constants.CKM_MD2_RSA_PKCS),
			    PKCS11Constants.NAME_CKM_MD2_RSA_PKCS);
			mechansimNames.put(new Long(PKCS11Constants.CKM_MD5_RSA_PKCS),
			    PKCS11Constants.NAME_CKM_MD5_RSA_PKCS);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA1_RSA_PKCS),
			    PKCS11Constants.NAME_CKM_SHA1_RSA_PKCS);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RIPEMD128_RSA_PKCS),
			    PKCS11Constants.NAME_CKM_RIPEMD128_RSA_PKCS);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RIPEMD160_RSA_PKCS),
			    PKCS11Constants.NAME_CKM_RIPEMD160_RSA_PKCS);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RSA_PKCS_OAEP),
			    PKCS11Constants.NAME_CKM_RSA_PKCS_OAEP);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RSA_X9_31_KEY_PAIR_GEN),
			    PKCS11Constants.NAME_CKM_RSA_X9_31_KEY_PAIR_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RSA_X9_31),
			    PKCS11Constants.NAME_CKM_RSA_X9_31);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA1_RSA_X9_31),
			    PKCS11Constants.NAME_CKM_SHA1_RSA_X9_31);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RSA_PKCS_PSS),
			    PKCS11Constants.NAME_CKM_RSA_PKCS_PSS);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA1_RSA_PKCS_PSS),
			    PKCS11Constants.NAME_CKM_SHA1_RSA_PKCS_PSS);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DSA_KEY_PAIR_GEN),
			    PKCS11Constants.NAME_CKM_DSA_KEY_PAIR_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DSA), PKCS11Constants.NAME_CKM_DSA);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DSA_SHA1),
			    PKCS11Constants.NAME_CKM_DSA_SHA1);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DH_PKCS_KEY_PAIR_GEN),
			    PKCS11Constants.NAME_CKM_DH_PKCS_KEY_PAIR_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DH_PKCS_DERIVE),
			    PKCS11Constants.NAME_CKM_DH_PKCS_DERIVE);
			mechansimNames.put(new Long(PKCS11Constants.CKM_X9_42_DH_KEY_PAIR_GEN),
			    PKCS11Constants.NAME_CKM_X9_42_DH_KEY_PAIR_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_X9_42_DH_DERIVE),
			    PKCS11Constants.NAME_CKM_X9_42_DH_DERIVE);
			mechansimNames.put(new Long(PKCS11Constants.CKM_X9_42_DH_HYBRID_DERIVE),
			    PKCS11Constants.NAME_CKM_X9_42_DH_HYBRID_DERIVE);
			mechansimNames.put(new Long(PKCS11Constants.CKM_X9_42_MQV_DERIVE),
			    PKCS11Constants.NAME_CKM_X9_42_MQV_DERIVE);

			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA256_RSA_PKCS),
			    PKCS11Constants.NAME_CKM_SHA256_RSA_PKCS);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA384_RSA_PKCS),
			    PKCS11Constants.NAME_CKM_SHA384_RSA_PKCS);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA512_RSA_PKCS),
			    PKCS11Constants.NAME_CKM_SHA512_RSA_PKCS);

			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA256_RSA_PKCS_PSS),
			    PKCS11Constants.NAME_CKM_SHA256_RSA_PKCS_PSS);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA384_RSA_PKCS_PSS),
			    PKCS11Constants.NAME_CKM_SHA384_RSA_PKCS_PSS);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA512_RSA_PKCS_PSS),
			    PKCS11Constants.NAME_CKM_SHA512_RSA_PKCS_PSS);

			mechansimNames.put(new Long(PKCS11Constants.CKM_RC2_KEY_GEN),
			    PKCS11Constants.NAME_CKM_RC2_KEY_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RC2_ECB),
			    PKCS11Constants.NAME_CKM_RC2_ECB);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RC2_CBC),
			    PKCS11Constants.NAME_CKM_RC2_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RC2_MAC),
			    PKCS11Constants.NAME_CKM_RC2_MAC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RC2_MAC_GENERAL),
			    PKCS11Constants.NAME_CKM_RC2_MAC_GENERAL);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RC2_CBC_PAD),
			    PKCS11Constants.NAME_CKM_RC2_CBC_PAD);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RC4_KEY_GEN),
			    PKCS11Constants.NAME_CKM_RC4_KEY_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RC4), PKCS11Constants.NAME_CKM_RC4);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DES_KEY_GEN),
			    PKCS11Constants.NAME_CKM_DES_KEY_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DES_ECB),
			    PKCS11Constants.NAME_CKM_DES_ECB);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DES_CBC),
			    PKCS11Constants.NAME_CKM_DES_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DES_MAC),
			    PKCS11Constants.NAME_CKM_DES_MAC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DES_MAC_GENERAL),
			    PKCS11Constants.NAME_CKM_DES_MAC_GENERAL);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DES_CBC_PAD),
			    PKCS11Constants.NAME_CKM_DES_CBC_PAD);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DES2_KEY_GEN),
			    PKCS11Constants.NAME_CKM_DES2_KEY_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DES3_KEY_GEN),
			    PKCS11Constants.NAME_CKM_DES3_KEY_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DES3_ECB),
			    PKCS11Constants.NAME_CKM_DES3_ECB);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DES3_CBC),
			    PKCS11Constants.NAME_CKM_DES3_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DES3_MAC),
			    PKCS11Constants.NAME_CKM_DES3_MAC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DES3_MAC_GENERAL),
			    PKCS11Constants.NAME_CKM_DES3_MAC_GENERAL);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DES3_CBC_PAD),
			    PKCS11Constants.NAME_CKM_DES3_CBC_PAD);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CDMF_KEY_GEN),
			    PKCS11Constants.NAME_CKM_CDMF_KEY_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CDMF_ECB),
			    PKCS11Constants.NAME_CKM_CDMF_ECB);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CDMF_CBC),
			    PKCS11Constants.NAME_CKM_CDMF_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CDMF_MAC),
			    PKCS11Constants.NAME_CKM_CDMF_MAC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CDMF_MAC_GENERAL),
			    PKCS11Constants.NAME_CKM_CDMF_MAC_GENERAL);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CDMF_CBC_PAD),
			    PKCS11Constants.NAME_CKM_CDMF_CBC_PAD);

			mechansimNames.put(new Long(PKCS11Constants.CKM_DES_OFB64),
			    PKCS11Constants.NAME_CKM_DES_OFB64);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DES_OFB8),
			    PKCS11Constants.NAME_CKM_DES_OFB8);

			mechansimNames.put(new Long(PKCS11Constants.CKM_DES_CFB64),
			    PKCS11Constants.NAME_CKM_DES_CFB64);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DES_CFB8),
			    PKCS11Constants.NAME_CKM_DES_CFB8);

			mechansimNames.put(new Long(PKCS11Constants.CKM_MD2), PKCS11Constants.NAME_CKM_MD2);
			mechansimNames.put(new Long(PKCS11Constants.CKM_MD2_HMAC),
			    PKCS11Constants.NAME_CKM_MD2_HMAC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_MD2_HMAC_GENERAL),
			    PKCS11Constants.NAME_CKM_MD2_HMAC_GENERAL);
			mechansimNames.put(new Long(PKCS11Constants.CKM_MD5), PKCS11Constants.NAME_CKM_MD5);
			mechansimNames.put(new Long(PKCS11Constants.CKM_MD5_HMAC),
			    PKCS11Constants.NAME_CKM_MD5_HMAC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_MD5_HMAC_GENERAL),
			    PKCS11Constants.NAME_CKM_MD5_HMAC_GENERAL);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA_1),
			    PKCS11Constants.NAME_CKM_SHA_1);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA_1_HMAC),
			    PKCS11Constants.NAME_CKM_SHA_1_HMAC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA_1_HMAC_GENERAL),
			    PKCS11Constants.NAME_CKM_SHA_1_HMAC_GENERAL);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RIPEMD128),
			    PKCS11Constants.NAME_CKM_RIPEMD128);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RIPEMD128_HMAC),
			    PKCS11Constants.NAME_CKM_RIPEMD128_HMAC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RIPEMD128_HMAC_GENERAL),
			    PKCS11Constants.NAME_CKM_RIPEMD128_HMAC_GENERAL);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RIPEMD160),
			    PKCS11Constants.NAME_CKM_RIPEMD160);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RIPEMD160_HMAC),
			    PKCS11Constants.NAME_CKM_RIPEMD160_HMAC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RIPEMD160_HMAC_GENERAL),
			    PKCS11Constants.NAME_CKM_RIPEMD160_HMAC_GENERAL);

			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA256),
			    PKCS11Constants.NAME_CKM_SHA256);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA256_HMAC),
			    PKCS11Constants.NAME_CKM_SHA256_HMAC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA256_HMAC_GENERAL),
			    PKCS11Constants.NAME_CKM_SHA256_HMAC_GENERAL);

			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA384),
			    PKCS11Constants.NAME_CKM_SHA384);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA384_HMAC),
			    PKCS11Constants.NAME_CKM_SHA384_HMAC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA384_HMAC_GENERAL),
			    PKCS11Constants.NAME_CKM_SHA384_HMAC_GENERAL);

			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA512),
			    PKCS11Constants.NAME_CKM_SHA512);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA512_HMAC),
			    PKCS11Constants.NAME_CKM_SHA512_HMAC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA512_HMAC_GENERAL),
			    PKCS11Constants.NAME_CKM_SHA512_HMAC_GENERAL);

			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST_KEY_GEN),
			    PKCS11Constants.NAME_CKM_CAST_KEY_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST_ECB),
			    PKCS11Constants.NAME_CKM_CAST_ECB);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST_CBC),
			    PKCS11Constants.NAME_CKM_CAST_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST_MAC),
			    PKCS11Constants.NAME_CKM_CAST_MAC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST_MAC_GENERAL),
			    PKCS11Constants.NAME_CKM_CAST_MAC_GENERAL);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST_CBC_PAD),
			    PKCS11Constants.NAME_CKM_CAST_CBC_PAD);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST3_KEY_GEN),
			    PKCS11Constants.NAME_CKM_CAST3_KEY_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST3_ECB),
			    PKCS11Constants.NAME_CKM_CAST3_ECB);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST3_CBC),
			    PKCS11Constants.NAME_CKM_CAST3_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST3_MAC),
			    PKCS11Constants.NAME_CKM_CAST3_MAC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST3_MAC_GENERAL),
			    PKCS11Constants.NAME_CKM_CAST3_MAC_GENERAL);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST3_CBC_PAD),
			    PKCS11Constants.NAME_CKM_CAST3_CBC_PAD);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST5_KEY_GEN),
			    PKCS11Constants.NAME_CKM_CAST5_KEY_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST128_KEY_GEN),
			    PKCS11Constants.NAME_CKM_CAST128_KEY_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST5_ECB),
			    PKCS11Constants.NAME_CKM_CAST5_ECB);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST128_ECB),
			    PKCS11Constants.NAME_CKM_CAST128_ECB);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST5_CBC),
			    PKCS11Constants.NAME_CKM_CAST5_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST128_CBC),
			    PKCS11Constants.NAME_CKM_CAST128_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST5_MAC),
			    PKCS11Constants.NAME_CKM_CAST5_MAC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST128_MAC),
			    PKCS11Constants.NAME_CKM_CAST128_MAC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST5_MAC_GENERAL),
			    PKCS11Constants.NAME_CKM_CAST5_MAC_GENERAL);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST128_MAC_GENERAL),
			    PKCS11Constants.NAME_CKM_CAST128_MAC_GENERAL);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST5_CBC_PAD),
			    PKCS11Constants.NAME_CKM_CAST5_CBC_PAD);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CAST128_CBC_PAD),
			    PKCS11Constants.NAME_CKM_CAST128_CBC_PAD);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RC5_KEY_GEN),
			    PKCS11Constants.NAME_CKM_RC5_KEY_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RC5_ECB),
			    PKCS11Constants.NAME_CKM_RC5_ECB);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RC5_CBC),
			    PKCS11Constants.NAME_CKM_RC5_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RC5_MAC),
			    PKCS11Constants.NAME_CKM_RC5_MAC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RC5_MAC_GENERAL),
			    PKCS11Constants.NAME_CKM_RC5_MAC_GENERAL);
			mechansimNames.put(new Long(PKCS11Constants.CKM_RC5_CBC_PAD),
			    PKCS11Constants.NAME_CKM_RC5_CBC_PAD);
			mechansimNames.put(new Long(PKCS11Constants.CKM_IDEA_KEY_GEN),
			    PKCS11Constants.NAME_CKM_IDEA_KEY_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_IDEA_ECB),
			    PKCS11Constants.NAME_CKM_IDEA_ECB);
			mechansimNames.put(new Long(PKCS11Constants.CKM_IDEA_CBC),
			    PKCS11Constants.NAME_CKM_IDEA_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_IDEA_MAC),
			    PKCS11Constants.NAME_CKM_IDEA_MAC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_IDEA_MAC_GENERAL),
			    PKCS11Constants.NAME_CKM_IDEA_MAC_GENERAL);
			mechansimNames.put(new Long(PKCS11Constants.CKM_IDEA_CBC_PAD),
			    PKCS11Constants.NAME_CKM_IDEA_CBC_PAD);
			mechansimNames.put(new Long(PKCS11Constants.CKM_GENERIC_SECRET_KEY_GEN),
			    PKCS11Constants.NAME_CKM_GENERIC_SECRET_KEY_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CONCATENATE_BASE_AND_KEY),
			    PKCS11Constants.NAME_CKM_CONCATENATE_BASE_AND_KEY);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CONCATENATE_BASE_AND_DATA),
			    PKCS11Constants.NAME_CKM_CONCATENATE_BASE_AND_DATA);
			mechansimNames.put(new Long(PKCS11Constants.CKM_CONCATENATE_DATA_AND_BASE),
			    PKCS11Constants.NAME_CKM_CONCATENATE_DATA_AND_BASE);
			mechansimNames.put(new Long(PKCS11Constants.CKM_XOR_BASE_AND_DATA),
			    PKCS11Constants.NAME_CKM_XOR_BASE_AND_DATA);
			mechansimNames.put(new Long(PKCS11Constants.CKM_EXTRACT_KEY_FROM_KEY),
			    PKCS11Constants.NAME_CKM_EXTRACT_KEY_FROM_KEY);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SSL3_PRE_MASTER_KEY_GEN),
			    PKCS11Constants.NAME_CKM_SSL3_PRE_MASTER_KEY_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SSL3_MASTER_KEY_DERIVE),
			    PKCS11Constants.NAME_CKM_SSL3_MASTER_KEY_DERIVE);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SSL3_KEY_AND_MAC_DERIVE),
			    PKCS11Constants.NAME_CKM_SSL3_KEY_AND_MAC_DERIVE);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SSL3_MASTER_KEY_DERIVE_DH),
			    PKCS11Constants.NAME_CKM_SSL3_MASTER_KEY_DERIVE_DH);
			mechansimNames.put(new Long(PKCS11Constants.CKM_TLS_PRE_MASTER_KEY_GEN),
			    PKCS11Constants.NAME_CKM_TLS_PRE_MASTER_KEY_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_TLS_MASTER_KEY_DERIVE),
			    PKCS11Constants.NAME_CKM_TLS_MASTER_KEY_DERIVE);
			mechansimNames.put(new Long(PKCS11Constants.CKM_TLS_KEY_AND_MAC_DERIVE),
			    PKCS11Constants.NAME_CKM_TLS_KEY_AND_MAC_DERIVE);
			mechansimNames.put(new Long(PKCS11Constants.CKM_TLS_MASTER_KEY_DERIVE_DH),
			    PKCS11Constants.NAME_CKM_TLS_MASTER_KEY_DERIVE_DH);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SSL3_MD5_MAC),
			    PKCS11Constants.NAME_CKM_SSL3_MD5_MAC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SSL3_SHA1_MAC),
			    PKCS11Constants.NAME_CKM_SSL3_SHA1_MAC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_MD5_KEY_DERIVATION),
			    PKCS11Constants.NAME_CKM_MD5_KEY_DERIVATION);
			mechansimNames.put(new Long(PKCS11Constants.CKM_MD2_KEY_DERIVATION),
			    PKCS11Constants.NAME_CKM_MD2_KEY_DERIVATION);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA1_KEY_DERIVATION),
			    PKCS11Constants.NAME_CKM_SHA1_KEY_DERIVATION);

			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA256_KEY_DERIVATION),
			    PKCS11Constants.NAME_CKM_SHA256_KEY_DERIVATION);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA384_KEY_DERIVATION),
			    PKCS11Constants.NAME_CKM_SHA384_KEY_DERIVATION);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SHA512_KEY_DERIVATION),
			    PKCS11Constants.NAME_CKM_SHA512_KEY_DERIVATION);

			mechansimNames.put(new Long(PKCS11Constants.CKM_PBE_MD2_DES_CBC),
			    PKCS11Constants.NAME_CKM_PBE_MD2_DES_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_PBE_MD5_DES_CBC),
			    PKCS11Constants.NAME_CKM_PBE_MD5_DES_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_PBE_MD5_CAST_CBC),
			    PKCS11Constants.NAME_CKM_PBE_MD5_CAST_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_PBE_MD5_CAST3_CBC),
			    PKCS11Constants.NAME_CKM_PBE_MD5_CAST3_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_PBE_MD5_CAST5_CBC),
			    PKCS11Constants.NAME_CKM_PBE_MD5_CAST5_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_PBE_MD5_CAST128_CBC),
			    PKCS11Constants.NAME_CKM_PBE_MD5_CAST128_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_PBE_SHA1_CAST5_CBC),
			    PKCS11Constants.NAME_CKM_PBE_SHA1_CAST5_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_PBE_SHA1_CAST128_CBC),
			    PKCS11Constants.NAME_CKM_PBE_SHA1_CAST128_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_PBE_SHA1_RC4_128),
			    PKCS11Constants.NAME_CKM_PBE_SHA1_RC4_128);
			mechansimNames.put(new Long(PKCS11Constants.CKM_PBE_SHA1_RC4_40),
			    PKCS11Constants.NAME_CKM_PBE_SHA1_RC4_40);
			mechansimNames.put(new Long(PKCS11Constants.CKM_PBE_SHA1_DES3_EDE_CBC),
			    PKCS11Constants.NAME_CKM_PBE_SHA1_DES3_EDE_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_PBE_SHA1_DES2_EDE_CBC),
			    PKCS11Constants.NAME_CKM_PBE_SHA1_DES2_EDE_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_PBE_SHA1_RC2_128_CBC),
			    PKCS11Constants.NAME_CKM_PBE_SHA1_RC2_128_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_PBE_SHA1_RC2_40_CBC),
			    PKCS11Constants.NAME_CKM_PBE_SHA1_RC2_40_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_PKCS5_PBKD2),
			    PKCS11Constants.NAME_CKM_PKCS5_PBKD2);
			mechansimNames.put(new Long(PKCS11Constants.CKM_PBA_SHA1_WITH_SHA1_HMAC),
			    PKCS11Constants.NAME_CKM_PBA_SHA1_WITH_SHA1_HMAC);

			mechansimNames.put(new Long(PKCS11Constants.CKM_WTLS_PRE_MASTER_KEY_GEN),
			    PKCS11Constants.NAME_CKM_WTLS_PRE_MASTER_KEY_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_WTLS_MASTER_KEY_DERIVE),
			    PKCS11Constants.NAME_CKM_WTLS_MASTER_KEY_DERIVE);
			mechansimNames.put(new Long(PKCS11Constants.CKM_WTLS_MASTER_KEY_DERVIE_DH_ECC),
			    PKCS11Constants.NAME_CKM_WTLS_MASTER_KEY_DERIVE_DH_ECC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_WTLS_PRF),
			    PKCS11Constants.NAME_CKM_WTLS_PRF);
			mechansimNames.put(new Long(PKCS11Constants.CKM_WTLS_SERVER_KEY_AND_MAC_DERIVE),
			    PKCS11Constants.NAME_CKM_WTLS_SERVER_KEY_AND_MAC_DERIVE);
			mechansimNames.put(new Long(PKCS11Constants.CKM_WTLS_CLIENT_KEY_AND_MAC_DERIVE),
			    PKCS11Constants.NAME_CKM_WTLS_CLIENT_KEY_AND_MAC_DERIVE);

			mechansimNames.put(new Long(PKCS11Constants.CKM_KEY_WRAP_LYNKS),
			    PKCS11Constants.NAME_CKM_KEY_WRAP_LYNKS);
			mechansimNames.put(new Long(PKCS11Constants.CKM_KEY_WRAP_SET_OAEP),
			    PKCS11Constants.NAME_CKM_KEY_WRAP_SET_OAEP);

			mechansimNames.put(new Long(PKCS11Constants.CKM_CMS_SIG),
			    PKCS11Constants.NAME_CKM_CMS_SIG);

			mechansimNames.put(new Long(PKCS11Constants.CKM_SKIPJACK_KEY_GEN),
			    PKCS11Constants.NAME_CKM_SKIPJACK_KEY_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SKIPJACK_ECB64),
			    PKCS11Constants.NAME_CKM_SKIPJACK_ECB64);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SKIPJACK_CBC64),
			    PKCS11Constants.NAME_CKM_SKIPJACK_CBC64);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SKIPJACK_OFB64),
			    PKCS11Constants.NAME_CKM_SKIPJACK_OFB64);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SKIPJACK_CFB64),
			    PKCS11Constants.NAME_CKM_SKIPJACK_CFB64);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SKIPJACK_CFB32),
			    PKCS11Constants.NAME_CKM_SKIPJACK_CFB32);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SKIPJACK_CFB16),
			    PKCS11Constants.NAME_CKM_SKIPJACK_CFB16);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SKIPJACK_CFB8),
			    PKCS11Constants.NAME_CKM_SKIPJACK_CFB8);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SKIPJACK_WRAP),
			    PKCS11Constants.NAME_CKM_SKIPJACK_WRAP);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SKIPJACK_PRIVATE_WRAP),
			    PKCS11Constants.NAME_CKM_SKIPJACK_PRIVATE_WRAP);
			mechansimNames.put(new Long(PKCS11Constants.CKM_SKIPJACK_RELAYX),
			    PKCS11Constants.NAME_CKM_SKIPJACK_RELAYX);
			mechansimNames.put(new Long(PKCS11Constants.CKM_KEA_KEY_PAIR_GEN),
			    PKCS11Constants.NAME_CKM_KEA_KEY_PAIR_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_KEA_KEY_DERIVE),
			    PKCS11Constants.NAME_CKM_KEA_KEY_DERIVE);
			mechansimNames.put(new Long(PKCS11Constants.CKM_FORTEZZA_TIMESTAMP),
			    PKCS11Constants.NAME_CKM_FORTEZZA_TIMESTAMP);
			mechansimNames.put(new Long(PKCS11Constants.CKM_BATON_KEY_GEN),
			    PKCS11Constants.NAME_CKM_BATON_KEY_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_BATON_ECB128),
			    PKCS11Constants.NAME_CKM_BATON_ECB128);
			mechansimNames.put(new Long(PKCS11Constants.CKM_BATON_ECB96),
			    PKCS11Constants.NAME_CKM_BATON_ECB96);
			mechansimNames.put(new Long(PKCS11Constants.CKM_BATON_CBC128),
			    PKCS11Constants.NAME_CKM_BATON_CBC128);
			mechansimNames.put(new Long(PKCS11Constants.CKM_BATON_COUNTER),
			    PKCS11Constants.NAME_CKM_BATON_COUNTER);
			mechansimNames.put(new Long(PKCS11Constants.CKM_BATON_SHUFFLE),
			    PKCS11Constants.NAME_CKM_BATON_SHUFFLE);
			mechansimNames.put(new Long(PKCS11Constants.CKM_BATON_WRAP),
			    PKCS11Constants.NAME_CKM_BATON_WRAP);
			mechansimNames.put(new Long(PKCS11Constants.CKM_ECDSA_KEY_PAIR_GEN),
			    PKCS11Constants.NAME_CKM_ECDSA_KEY_PAIR_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_EC_KEY_PAIR_GEN),
			    PKCS11Constants.NAME_CKM_EC_KEY_PAIR_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_ECDSA),
			    PKCS11Constants.NAME_CKM_ECDSA);
			mechansimNames.put(new Long(PKCS11Constants.CKM_ECDSA_SHA1),
			    PKCS11Constants.NAME_CKM_ECDSA_SHA1);
			mechansimNames.put(new Long(PKCS11Constants.CKM_ECDH1_DERIVE),
			    PKCS11Constants.NAME_CKM_ECDH1_DERIVE);
			mechansimNames.put(new Long(PKCS11Constants.CKM_ECDH1_COFACTOR_DERIVE),
			    PKCS11Constants.NAME_CKM_ECDH1_COFACTOR_DERIVE);
			mechansimNames.put(new Long(PKCS11Constants.CKM_ECMQV_DERIVE),
			    PKCS11Constants.NAME_CKM_ECMQV_DERIVE);
			mechansimNames.put(new Long(PKCS11Constants.CKM_JUNIPER_KEY_GEN),
			    PKCS11Constants.NAME_CKM_JUNIPER_KEY_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_JUNIPER_ECB128),
			    PKCS11Constants.NAME_CKM_JUNIPER_ECB128);
			mechansimNames.put(new Long(PKCS11Constants.CKM_JUNIPER_CBC128),
			    PKCS11Constants.NAME_CKM_JUNIPER_CBC128);
			mechansimNames.put(new Long(PKCS11Constants.CKM_JUNIPER_COUNTER),
			    PKCS11Constants.NAME_CKM_JUNIPER_COUNTER);
			mechansimNames.put(new Long(PKCS11Constants.CKM_JUNIPER_SHUFFLE),
			    PKCS11Constants.NAME_CKM_JUNIPER_SHUFFLE);
			mechansimNames.put(new Long(PKCS11Constants.CKM_JUNIPER_WRAP),
			    PKCS11Constants.NAME_CKM_JUNIPER_WRAP);
			mechansimNames.put(new Long(PKCS11Constants.CKM_FASTHASH),
			    PKCS11Constants.NAME_CKM_FASTHASH);
			mechansimNames.put(new Long(PKCS11Constants.CKM_AES_KEY_GEN),
			    PKCS11Constants.NAME_CKM_AES_KEY_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_AES_ECB),
			    PKCS11Constants.NAME_CKM_AES_ECB);
			mechansimNames.put(new Long(PKCS11Constants.CKM_AES_CBC),
			    PKCS11Constants.NAME_CKM_AES_CBC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_AES_MAC),
			    PKCS11Constants.NAME_CKM_AES_MAC);
			mechansimNames.put(new Long(PKCS11Constants.CKM_AES_MAC_GENERAL),
			    PKCS11Constants.NAME_CKM_AES_MAC_GENERAL);
			mechansimNames.put(new Long(PKCS11Constants.CKM_AES_CBC_PAD),
			    PKCS11Constants.NAME_CKM_AES_CBC_PAD);

			mechansimNames.put(new Long(PKCS11Constants.CKM_BLOWFISH_KEY_GEN),
			    PKCS11Constants.NAME_CKM_BLOWFISH_KEY_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_BLOWFISH_CBC),
			    PKCS11Constants.NAME_CKM_BLOWFISH_CBC);

			mechansimNames.put(new Long(PKCS11Constants.CKM_TWOFISH_KEY_GEN),
			    PKCS11Constants.NAME_CKM_TWOFISH_KEY_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_TWOFISH_CBC),
			    PKCS11Constants.NAME_CKM_TWOFISH_CBC);

			mechansimNames.put(new Long(PKCS11Constants.CKM_DES_ECB_ENCRYPT_DATA),
			    PKCS11Constants.NAME_CKM_DES_ECB_ENCRYPT_DATA);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DES_CBC_ENCRYPT_DATA),
			    PKCS11Constants.NAME_CKM_DES_CBC_ENCRYPT_DATA);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DES3_ECB_ENCRYPT_DATA),
			    PKCS11Constants.NAME_CKM_DES3_ECB_ENCRYPT_DATA);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DES3_CBC_ENCRYPT_DATA),
			    PKCS11Constants.NAME_CKM_DES3_CBC_ENCRYPT_DATA);
			mechansimNames.put(new Long(PKCS11Constants.CKM_AES_ECB_ENCRYPT_DATA),
			    PKCS11Constants.NAME_CKM_AES_ECB_ENCRYPT_DATA);
			mechansimNames.put(new Long(PKCS11Constants.CKM_AES_CBC_ENCRYPT_DATA),
			    PKCS11Constants.NAME_CKM_AES_CBC_ENCRYPT_DATA);

			mechansimNames.put(new Long(PKCS11Constants.CKM_DSA_PARAMETER_GEN),
			    PKCS11Constants.NAME_CKM_DSA_PARAMETER_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_DH_PKCS_PARAMETER_GEN),
			    PKCS11Constants.NAME_CKM_DH_PKCS_PARAMETER_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_X9_42_DH_PARAMETER_GEN),
			    PKCS11Constants.NAME_CKM_X9_42_DH_PARAMETER_GEN);
			mechansimNames.put(new Long(PKCS11Constants.CKM_VENDOR_DEFINED),
			    PKCS11Constants.NAME_CKM_VENDOR_DEFINED);
			mechansimNames_ = mechansimNames;
		}

		Long mechansimCodeObject = new Long(mechansimCode);
		Object entry = mechansimNames_.get(mechansimCodeObject);

		String mechanismName = (entry != null) ? entry.toString()
		    : "Unknwon mechanism with code: 0x" + toFullHexString(mechansimCode);

		return mechanismName;
	}

	/**
	 * Converts the long value classType to a string representation of it.
	 *
	 * @param classType The classType to be converted.
	 * @return The string representation of the classType.
	 */
	public static String classTypeToString(long classType) {
		String name;

		if (classType == PKCS11Constants.CKO_DATA) {
			name = "CKO_DATA";
		} else if (classType == PKCS11Constants.CKO_CERTIFICATE) {
			name = "CKO_CERTIFICATE";
		} else if (classType == PKCS11Constants.CKO_PUBLIC_KEY) {
			name = "CKO_PUBLIC_KEY";
		} else if (classType == PKCS11Constants.CKO_PRIVATE_KEY) {
			name = "CKO_PRIVATE_KEY";
		} else if (classType == PKCS11Constants.CKO_SECRET_KEY) {
			name = "CKO_SECRET_KEY";
		} else if (classType == PKCS11Constants.CKO_HW_FEATURE) {
			name = "CKO_HW_FEATURE";
		} else if (classType == PKCS11Constants.CKO_DOMAIN_PARAMETERS) {
			name = "CKO_DOMAIN_PARAMETERS";
		} else if (classType == PKCS11Constants.CKO_VENDOR_DEFINED) {
			name = "CKO_VENDOR_DEFINED";
		} else {
			name = "ERROR: unknown classType with code: 0x" + toFullHexString(classType);
		}

		return name;
	}

	/**
	 * Check the given arrays for equalitiy. This method considers both arrays as
	 * equal, if both are <code>null</code> or both have the same length and
	 * contain exactly the same byte values.
	 *
	 * @param array1 The first array.
	 * @param array2 The second array.
	 * @return True, if both arrays are <code>null</code> or both have the same
	 *         length and contain exactly the same byte values. False, otherwise.
	 * @preconditions
	 * @postconditions
	 */
	public static boolean equals(byte[] array1, byte[] array2) {
		boolean equal = false;

		if (array1 == array2) {
			equal = true;
		} else if ((array1 != null) && (array2 != null)) {
			int length = array1.length;
			if (length == array2.length) {
				equal = true;
				for (int i = 0; i < length; i++) {
					if (array1[i] != array2[i]) {
						equal = false;
						break;
					}
				}
			} else {
				equal = false;
			}
		} else {
			equal = false;
		}

		return equal;
	}

	/**
	 * Check the given arrays for equalitiy. This method considers both arrays as
	 * equal, if both are <code>null</code> or both have the same length and
	 * contain exactly the same char values.
	 *
	 * @param array1 The first array.
	 * @param array2 The second array.
	 * @return True, if both arrays are <code>null</code> or both have the same
	 *         length and contain exactly the same char values. False, otherwise.
	 * @preconditions
	 * @postconditions
	 */
	public static boolean equals(char[] array1, char[] array2) {
		boolean equal = false;

		if (array1 == array2) {
			equal = true;
		} else if ((array1 != null) && (array2 != null)) {
			int length = array1.length;
			if (length == array2.length) {
				equal = true;
				for (int i = 0; i < length; i++) {
					if (array1[i] != array2[i]) {
						equal = false;
						break;
					}
				}
			} else {
				equal = false;
			}
		} else {
			equal = false;
		}

		return equal;
	}

	/**
	 * Check the given arrays for equality. This method considers both arrays as
	 * equal, if both are <code>null</code> or both have the same length and
	 * contain exactly the same byte values.
	 *
	 * @param array1 The first array.
	 * @param array2 The second array.
	 * @return True, if both arrays are <code>null</code> or both have the same
	 *         length and contain exactly the same byte values. False, otherwise.
	 * @preconditions
	 * @postconditions
	 */
	public static boolean equals(long[] array1, long[] array2) {
		boolean equal = false;

		if (array1 == array2) {
			equal = true;
		} else if ((array1 != null) && (array2 != null)) {
			int length = array1.length;
			if (length == array2.length) {
				equal = true;
				for (int i = 0; i < length; i++) {
					if (array1[i] != array2[i]) {
						equal = false;
						break;
					}
				}
			} else {
				equal = false;
			}
		} else {
			equal = false;
		}

		return equal;
	}

	/**
	 * Check the given dates for equalitiy. This method considers both dates as
	 * equal, if both are <code>null</code> or both contain exactly the same char
	 * values.
	 *
	 * @param date1 The first date.
	 * @param date2 The second date.
	 * @return True, if both dates are <code>null</code> or both contain the same
	 *         char values. False, otherwise.
	 * @preconditions
	 * @postconditions
	 */
	public static boolean equals(CK_DATE date1, CK_DATE date2) {
		boolean equal = false;

		if (date1 == date2) {
			equal = true;
		} else if ((date1 != null) && (date2 != null)) {
			equal = equals(date1.year, date2.year) && equals(date1.month, date2.month)
			    && equals(date1.day, date2.day);
		} else {
			equal = false;
		}

		return equal;
	}

	/**
	 * Calculate a hash code for the given byte array.
	 *
	 * @param array The byte array.
	 * @return A hash code for the given array.
	 * @preconditions
	 * @postconditions
	 */
	public static int hashCode(byte[] array) {
		int hash = 0;

		if (array != null) {
			for (int i = 0; (i < 4) && (i < array.length); i++) {
				hash ^= (0xFF & array[i]) << ((i % 4) << 3);
			}
		}

		return hash;
	}

	/**
	 * Calculate a hash code for the given char array.
	 *
	 * @param array The char array.
	 * @return A hash code for the given array.
	 * @preconditions
	 * @postconditions
	 */
	public static int hashCode(char[] array) {
		int hash = 0;

		if (array != null) {
			for (int i = 0; (i < 4) && (i < array.length); i++) {
				//	      hash ^= (0xFFFFFFFF & (array[i]>>32)); // this is useless since char is 16bit wide
				hash ^= (0xFFFFFFFF & array[i]);
			}
		}

		return hash;
	}

	/**
	 * Calculate a hash code for the given long array.
	 *
	 * @param array The long array.
	 * @return A hash code for the given array.
	 * @preconditions
	 * @postconditions
	 */
	public static int hashCode(long[] array) {
		int hash = 0;

		if (array != null) {
			for (int i = 0; (i < 4) && (i < array.length); i++) {
				hash ^= (0xFFFFFFFF & (array[i] >> 4));
				hash ^= (0xFFFFFFFF & array[i]);
			}
		}

		return hash;
	}

	/**
	 * Calculate a hash code for the given date object.
	 *
	 * @param date The date object.
	 * @return A hash code for the given date.
	 * @preconditions
	 * @postconditions
	 */
	public static int hashCode(CK_DATE date) {
		int hash = 0;

		if (date != null) {
			if (date.year.length == 4) {
				hash ^= (0xFFFF & date.year[0]) << 16;
				hash ^= 0xFFFF & date.year[1];
				hash ^= (0xFFFF & date.year[2]) << 16;
				hash ^= 0xFFFF & date.year[3];
			}
			if (date.month.length == 2) {
				hash ^= (0xFFFF & date.month[0]) << 16;
				hash ^= 0xFFFF & date.month[1];
			}
			if (date.day.length == 2) {
				hash ^= (0xFFFF & date.day[0]) << 16;
				hash ^= 0xFFFF & date.day[1];
			}
		}

		return hash;
	}

	/**
	 * This method checks, if the mechanism with the given code is a full
	 * encrypt/decrypt mechanism; i.e. it supports the encryptUpdate()
	 * and decryptUpdate() functions.
	 * This is the information as provided by the table on page 229
	 * of the PKCS#11 v2.11 standard.
	 * If this method returns true, the mechanism can be used with the encrypt and
	 * decrypt functions including encryptUpdate and decryptUpdate.
	 *
	 * @param mechanismCode The code of the mechanism to check.
	 * @return True, if the provided mechanism is a full encrypt/decrypt
	 *         mechanism. False, otherwise.
	 * @preconditions
	 * @postconditions
	 */
	public static boolean isFullEncryptDecryptMechanism(long mechanismCode) {
		// build the hashtable on demand (=first use)
		if (fullEncryptDecryptMechanisms_ == null) {
			Hashtable fullEncryptDecryptMechanisms = new Hashtable();
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_RC2_ECB),
			    PKCS11Constants.NAME_CKM_RC2_ECB);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_RC2_CBC),
			    PKCS11Constants.NAME_CKM_RC2_CBC);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_RC2_CBC_PAD),
			    PKCS11Constants.NAME_CKM_RC2_CBC_PAD);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_RC4),
			    PKCS11Constants.NAME_CKM_RC4);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_DES_ECB),
			    PKCS11Constants.NAME_CKM_DES_ECB);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_DES_CBC),
			    PKCS11Constants.NAME_CKM_DES_CBC);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_DES_CBC_PAD),
			    PKCS11Constants.NAME_CKM_DES_CBC_PAD);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_DES3_ECB),
			    PKCS11Constants.NAME_CKM_DES3_ECB);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_DES3_CBC),
			    PKCS11Constants.NAME_CKM_DES3_CBC);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_DES3_CBC_PAD),
			    PKCS11Constants.NAME_CKM_DES3_CBC_PAD);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_CDMF_ECB),
			    PKCS11Constants.NAME_CKM_CDMF_ECB);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_CDMF_CBC),
			    PKCS11Constants.NAME_CKM_CDMF_CBC);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_CDMF_CBC_PAD),
			    PKCS11Constants.NAME_CKM_CDMF_CBC_PAD);

			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_DES_OFB64),
			    PKCS11Constants.NAME_CKM_DES_OFB64);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_DES_OFB8),
			    PKCS11Constants.NAME_CKM_DES_OFB8);

			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_DES_CFB64),
			    PKCS11Constants.NAME_CKM_DES_CFB64);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_DES_CFB8),
			    PKCS11Constants.NAME_CKM_DES_CFB8);

			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_CAST_ECB),
			    PKCS11Constants.NAME_CKM_CAST_ECB);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_CAST_CBC),
			    PKCS11Constants.NAME_CKM_CAST_CBC);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_CAST_CBC_PAD),
			    PKCS11Constants.NAME_CKM_CAST_CBC_PAD);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_CAST3_ECB),
			    PKCS11Constants.NAME_CKM_CAST3_ECB);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_CAST3_CBC),
			    PKCS11Constants.NAME_CKM_CAST3_CBC);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_CAST3_CBC_PAD),
			    PKCS11Constants.NAME_CKM_CAST3_CBC_PAD);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_CAST5_ECB),
			    PKCS11Constants.NAME_CKM_CAST5_ECB);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_CAST128_ECB),
			    PKCS11Constants.NAME_CKM_CAST128_ECB);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_CAST5_CBC),
			    PKCS11Constants.NAME_CKM_CAST5_CBC);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_CAST128_CBC),
			    PKCS11Constants.NAME_CKM_CAST128_CBC);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_CAST5_CBC_PAD),
			    PKCS11Constants.NAME_CKM_CAST5_CBC_PAD);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_CAST128_CBC_PAD),
			    PKCS11Constants.NAME_CKM_CAST128_CBC_PAD);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_RC5_ECB),
			    PKCS11Constants.NAME_CKM_RC5_ECB);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_RC5_CBC),
			    PKCS11Constants.NAME_CKM_RC5_CBC);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_RC5_CBC_PAD),
			    PKCS11Constants.NAME_CKM_RC5_CBC_PAD);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_AES_ECB),
			    PKCS11Constants.NAME_CKM_AES_ECB);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_AES_CBC),
			    PKCS11Constants.NAME_CKM_AES_CBC);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_AES_CBC_PAD),
			    PKCS11Constants.NAME_CKM_AES_CBC_PAD);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_BLOWFISH_CBC),
			    PKCS11Constants.NAME_CKM_BLOWFISH_CBC);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_TWOFISH_CBC),
			    PKCS11Constants.NAME_CKM_TWOFISH_CBC);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_IDEA_ECB),
			    PKCS11Constants.NAME_CKM_IDEA_ECB);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_IDEA_CBC),
			    PKCS11Constants.NAME_CKM_IDEA_CBC);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_IDEA_CBC_PAD),
			    PKCS11Constants.NAME_CKM_IDEA_CBC_PAD);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_SKIPJACK_ECB64),
			    PKCS11Constants.NAME_CKM_SKIPJACK_ECB64);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_SKIPJACK_CBC64),
			    PKCS11Constants.NAME_CKM_SKIPJACK_CBC64);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_SKIPJACK_OFB64),
			    PKCS11Constants.NAME_CKM_SKIPJACK_OFB64);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_SKIPJACK_CFB64),
			    PKCS11Constants.NAME_CKM_SKIPJACK_CFB64);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_SKIPJACK_CFB32),
			    PKCS11Constants.NAME_CKM_SKIPJACK_CFB32);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_SKIPJACK_CFB16),
			    PKCS11Constants.NAME_CKM_SKIPJACK_CFB16);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_SKIPJACK_CFB8),
			    PKCS11Constants.NAME_CKM_SKIPJACK_CFB8);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_BATON_ECB128),
			    PKCS11Constants.NAME_CKM_BATON_ECB128);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_BATON_ECB96),
			    PKCS11Constants.NAME_CKM_BATON_ECB96);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_BATON_CBC128),
			    PKCS11Constants.NAME_CKM_BATON_CBC128);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_BATON_COUNTER),
			    PKCS11Constants.NAME_CKM_BATON_COUNTER);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_BATON_SHUFFLE),
			    PKCS11Constants.NAME_CKM_BATON_SHUFFLE);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_JUNIPER_ECB128),
			    PKCS11Constants.NAME_CKM_JUNIPER_ECB128);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_JUNIPER_CBC128),
			    PKCS11Constants.NAME_CKM_JUNIPER_CBC128);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_JUNIPER_COUNTER),
			    PKCS11Constants.NAME_CKM_JUNIPER_COUNTER);
			fullEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_JUNIPER_SHUFFLE),
			    PKCS11Constants.NAME_CKM_JUNIPER_SHUFFLE);
			fullEncryptDecryptMechanisms_ = fullEncryptDecryptMechanisms;
		}

		return fullEncryptDecryptMechanisms_.containsKey(new Long(mechanismCode));
	}

	/**
	 * This method checks, if the mechanism with the given code is a
	 * single-operation encrypt/decrypt mechanism; i.e. it does not support the
	 * encryptUpdate() and decryptUpdate() functions.
	 * This is the information as provided by the table on page 229
	 * of the PKCS#11 v2.11 standard.
	 * If this method returns true, the mechanism can be used with the encrypt and
	 * decrypt functions excluding encryptUpdate and decryptUpdate.
	 *
	 * @param mechanismCode The code of the mechanism to check.
	 * @return True, if the provided mechanism is a single-operation
	 *         encrypt/decrypt mechanism. False, otherwise.
	 * @preconditions
	 * @postconditions
	 */
	public static boolean isSingleOperationEncryptDecryptMechanism(long mechanismCode) {
		// build the hashtable on demand (=first use)
		if (singleOperationEncryptDecryptMechanisms_ == null) {
			Hashtable singleOperationEncryptDecryptMechanisms = new Hashtable();
			singleOperationEncryptDecryptMechanisms.put(new Long(PKCS11Constants.CKM_RSA_PKCS),
			    PKCS11Constants.NAME_CKM_RSA_PKCS);
			singleOperationEncryptDecryptMechanisms.put(new Long(
			    PKCS11Constants.CKM_RSA_PKCS_OAEP), PKCS11Constants.NAME_CKM_RSA_PKCS_OAEP);
			singleOperationEncryptDecryptMechanisms.put(
			    new Long(PKCS11Constants.CKM_RSA_X_509), PKCS11Constants.NAME_CKM_RSA_X_509);
			singleOperationEncryptDecryptMechanisms_ = singleOperationEncryptDecryptMechanisms;
		}

		return singleOperationEncryptDecryptMechanisms_.containsKey(new Long(mechanismCode));
	}

	/**
	 * This method checks, if the mechanism with the given code is a full
	 * sign/verify mechanism; i.e. it supports the signUpdate()
	 * and verifyUpdate() functions.
	 * This is the information as provided by the table on page 229
	 * of the PKCS#11 v2.11 standard.
	 * If this method returns true, the mechanism can be used with the sign and
	 * verify functions including signUpdate and verifyUpdate.
	 *
	 * @param mechanismCode The code of the mechanism to check.
	 * @return True, if the provided mechanism is a full sign/verify
	 *         mechanism. False, otherwise.
	 * @preconditions
	 * @postconditions
	 */
	public static boolean isFullSignVerifyMechanism(long mechanismCode) {
		// build the hashtable on demand (=first use)
		if (fullSignVerifyMechanisms_ == null) {
			Hashtable fullSignVerifyMechanisms = new Hashtable();
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_MD2_RSA_PKCS),
			    PKCS11Constants.NAME_CKM_MD2_RSA_PKCS);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_MD5_RSA_PKCS),
			    PKCS11Constants.NAME_CKM_MD5_RSA_PKCS);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_SHA1_RSA_PKCS),
			    PKCS11Constants.NAME_CKM_SHA1_RSA_PKCS);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_RIPEMD128_RSA_PKCS),
			    PKCS11Constants.NAME_CKM_RIPEMD128_RSA_PKCS);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_RIPEMD160_RSA_PKCS),
			    PKCS11Constants.NAME_CKM_RIPEMD160_RSA_PKCS);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_SHA1_RSA_PKCS_PSS),
			    PKCS11Constants.NAME_CKM_SHA1_RSA_PKCS_PSS);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_SHA1_RSA_X9_31),
			    PKCS11Constants.NAME_CKM_SHA1_RSA_X9_31);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_DSA_SHA1),
			    PKCS11Constants.NAME_CKM_DSA_SHA1);

			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_SHA256_RSA_PKCS),
			    PKCS11Constants.NAME_CKM_SHA256_RSA_PKCS);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_SHA384_RSA_PKCS),
			    PKCS11Constants.NAME_CKM_SHA384_RSA_PKCS);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_SHA512_RSA_PKCS),
			    PKCS11Constants.NAME_CKM_SHA512_RSA_PKCS);

			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_SHA256_RSA_PKCS_PSS),
			    PKCS11Constants.NAME_CKM_SHA256_RSA_PKCS_PSS);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_SHA384_RSA_PKCS_PSS),
			    PKCS11Constants.NAME_CKM_SHA384_RSA_PKCS_PSS);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_SHA512_RSA_PKCS_PSS),
			    PKCS11Constants.NAME_CKM_SHA512_RSA_PKCS_PSS);

			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_RC2_MAC),
			    PKCS11Constants.NAME_CKM_RC2_MAC);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_RC2_MAC_GENERAL),
			    PKCS11Constants.NAME_CKM_RC2_MAC_GENERAL);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_DES_MAC),
			    PKCS11Constants.NAME_CKM_DES_MAC);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_DES_MAC_GENERAL),
			    PKCS11Constants.NAME_CKM_DES_MAC_GENERAL);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_DES3_MAC),
			    PKCS11Constants.NAME_CKM_DES3_MAC);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_DES3_MAC_GENERAL),
			    PKCS11Constants.NAME_CKM_DES3_MAC_GENERAL);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_CDMF_MAC),
			    PKCS11Constants.NAME_CKM_CDMF_MAC);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_CDMF_MAC_GENERAL),
			    PKCS11Constants.NAME_CKM_CDMF_MAC_GENERAL);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_MD2_HMAC),
			    PKCS11Constants.NAME_CKM_MD2_HMAC);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_MD2_HMAC_GENERAL),
			    PKCS11Constants.NAME_CKM_MD2_HMAC_GENERAL);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_MD5_HMAC),
			    PKCS11Constants.NAME_CKM_MD5_HMAC);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_MD5_HMAC_GENERAL),
			    PKCS11Constants.NAME_CKM_MD5_HMAC_GENERAL);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_SHA_1_HMAC),
			    PKCS11Constants.NAME_CKM_SHA_1_HMAC);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_SHA_1_HMAC_GENERAL),
			    PKCS11Constants.NAME_CKM_SHA_1_HMAC_GENERAL);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_RIPEMD128_HMAC),
			    PKCS11Constants.NAME_CKM_RIPEMD128_HMAC);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_RIPEMD128_HMAC_GENERAL),
			    PKCS11Constants.NAME_CKM_RIPEMD128_HMAC_GENERAL);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_RIPEMD160_HMAC),
			    PKCS11Constants.NAME_CKM_RIPEMD160_HMAC);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_RIPEMD160_HMAC_GENERAL),
			    PKCS11Constants.NAME_CKM_RIPEMD160_HMAC_GENERAL);

			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_SHA256_HMAC),
			    PKCS11Constants.NAME_CKM_SHA256_HMAC);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_SHA256_HMAC_GENERAL),
			    PKCS11Constants.NAME_CKM_SHA256_HMAC_GENERAL);

			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_SHA384_HMAC),
			    PKCS11Constants.NAME_CKM_SHA384_HMAC);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_SHA384_HMAC_GENERAL),
			    PKCS11Constants.NAME_CKM_SHA384_HMAC_GENERAL);

			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_SHA512_HMAC),
			    PKCS11Constants.NAME_CKM_SHA512_HMAC);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_SHA512_HMAC_GENERAL),
			    PKCS11Constants.NAME_CKM_SHA512_HMAC_GENERAL);

			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_CAST_MAC),
			    PKCS11Constants.NAME_CKM_CAST_MAC);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_CAST_MAC_GENERAL),
			    PKCS11Constants.NAME_CKM_CAST_MAC_GENERAL);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_CAST3_MAC),
			    PKCS11Constants.NAME_CKM_CAST3_MAC);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_CAST3_MAC_GENERAL),
			    PKCS11Constants.NAME_CKM_CAST3_MAC_GENERAL);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_CAST5_MAC),
			    PKCS11Constants.NAME_CKM_CAST5_MAC);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_CAST128_MAC),
			    PKCS11Constants.NAME_CKM_CAST128_MAC);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_CAST5_MAC_GENERAL),
			    PKCS11Constants.NAME_CKM_CAST5_MAC_GENERAL);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_CAST128_MAC_GENERAL),
			    PKCS11Constants.NAME_CKM_CAST128_MAC_GENERAL);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_RC5_MAC),
			    PKCS11Constants.NAME_CKM_RC5_MAC);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_RC5_MAC_GENERAL),
			    PKCS11Constants.NAME_CKM_RC5_MAC_GENERAL);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_AES_MAC),
			    PKCS11Constants.NAME_CKM_AES_MAC);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_AES_MAC_GENERAL),
			    PKCS11Constants.NAME_CKM_AES_MAC_GENERAL);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_IDEA_MAC),
			    PKCS11Constants.NAME_CKM_IDEA_MAC);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_IDEA_MAC_GENERAL),
			    PKCS11Constants.NAME_CKM_IDEA_MAC_GENERAL);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_SSL3_MD5_MAC),
			    PKCS11Constants.NAME_CKM_SSL3_MD5_MAC);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_SSL3_SHA1_MAC),
			    PKCS11Constants.NAME_CKM_SSL3_SHA1_MAC);
			fullSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_ECDSA_SHA1),
			    PKCS11Constants.NAME_CKM_ECDSA_SHA1);
			fullSignVerifyMechanisms_ = fullSignVerifyMechanisms;
		}

		return fullSignVerifyMechanisms_.containsKey(new Long(mechanismCode));
	}

	/**
	 * This method checks, if the mechanism with the given code is a
	 * single-operation sign/verify mechanism; i.e. it does not support the
	 * signUpdate() and encryptUpdate() functions.
	 * This is the information as provided by the table on page 229
	 * of the PKCS#11 v2.11 standard.
	 * If this method returns true, the mechanism can be used with the sign and
	 * verify functions excluding signUpdate and encryptUpdate.
	 *
	 * @param mechanismCode The code of the mechanism to check.
	 * @return True, if the provided mechanism is a single-operation
	 *         sign/verify mechanism. False, otherwise.
	 * @preconditions
	 * @postconditions
	 */
	public static boolean isSingleOperationSignVerifyMechanism(long mechanismCode) {
		// build the hashtable on demand (=first use)
		if (singleOperationSignVerifyMechanisms_ == null) {
			Hashtable singleOperationSignVerifyMechanisms = new Hashtable();
			singleOperationSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_RSA_PKCS),
			    PKCS11Constants.NAME_CKM_RSA_PKCS);
			singleOperationSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_RSA_PKCS_PSS),
			    PKCS11Constants.NAME_CKM_RSA_PKCS_PSS);
			singleOperationSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_RSA_9796),
			    PKCS11Constants.NAME_CKM_RSA_9796);
			singleOperationSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_RSA_X_509),
			    PKCS11Constants.NAME_CKM_RSA_X_509);
			singleOperationSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_RSA_X9_31),
			    PKCS11Constants.NAME_CKM_RSA_X9_31);
			singleOperationSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_DSA),
			    PKCS11Constants.NAME_CKM_DSA);
			singleOperationSignVerifyMechanisms.put(new Long(
			    PKCS11Constants.CKM_FORTEZZA_TIMESTAMP),
			    PKCS11Constants.NAME_CKM_FORTEZZA_TIMESTAMP);
			singleOperationSignVerifyMechanisms.put(new Long(PKCS11Constants.CKM_ECDSA),
			    PKCS11Constants.NAME_CKM_ECDSA);
			singleOperationSignVerifyMechanisms_ = singleOperationSignVerifyMechanisms;
		}

		return singleOperationSignVerifyMechanisms_.containsKey(new Long(mechanismCode));
	}

	/**
	 * This method checks, if the mechanism with the given code is a sign/verify
	 * mechanism with message recovery.
	 * This is the information as provided by the table on page 229
	 * of the PKCS#11 v2.11 standard.
	 * If this method returns true, the mechanism can be used with the signRecover
	 * and verifyRecover functions.
	 *
	 * @param mechanismCode The code of the mechanism to check.
	 * @return True, if the provided mechanism is a sign/verify mechanism with
	 *         message recovery. False, otherwise.
	 * @preconditions
	 * @postconditions
	 */
	public static boolean isSignVerifyRecoverMechanism(long mechanismCode) {
		// build the hashtable on demand (=first use)
		if (signVerifyRecoverMechanisms_ == null) {
			Hashtable signVerifyRecoverMechanisms = new Hashtable();
			signVerifyRecoverMechanisms.put(new Long(PKCS11Constants.CKM_RSA_PKCS),
			    PKCS11Constants.NAME_CKM_RSA_PKCS);
			signVerifyRecoverMechanisms.put(new Long(PKCS11Constants.CKM_RSA_9796),
			    PKCS11Constants.NAME_CKM_RSA_9796);
			signVerifyRecoverMechanisms.put(new Long(PKCS11Constants.CKM_RSA_X_509),
			    PKCS11Constants.NAME_CKM_RSA_X_509);
			signVerifyRecoverMechanisms_ = signVerifyRecoverMechanisms;
		}

		return signVerifyRecoverMechanisms_.containsKey(new Long(mechanismCode));
	}

	/**
	 * This method checks, if the mechanism with the given code is a digest
	 * mechanism.
	 * This is the information as provided by the table on page 229
	 * of the PKCS#11 v2.11 standard.
	 * If this method returns true, the mechanism can be used with the digest
	 * functions.
	 *
	 * @param mechanismCode The code of the mechanism to check.
	 * @return True, if the provided mechanism is a digest mechanism. False,
	 *         otherwise.
	 * @preconditions
	 * @postconditions
	 */
	public static boolean isDigestMechanism(long mechanismCode) {
		// build the hashtable on demand (=first use)
		if (digestMechanisms_ == null) {
			Hashtable digestMechanisms = new Hashtable();
			digestMechanisms.put(new Long(PKCS11Constants.CKM_MD2),
			    PKCS11Constants.NAME_CKM_MD2);
			digestMechanisms.put(new Long(PKCS11Constants.CKM_MD5),
			    PKCS11Constants.NAME_CKM_MD5);
			digestMechanisms.put(new Long(PKCS11Constants.CKM_SHA_1),
			    PKCS11Constants.NAME_CKM_SHA_1);
			digestMechanisms.put(new Long(PKCS11Constants.CKM_RIPEMD128),
			    PKCS11Constants.NAME_CKM_RIPEMD128);
			digestMechanisms.put(new Long(PKCS11Constants.CKM_RIPEMD160),
			    PKCS11Constants.NAME_CKM_RIPEMD160);
			digestMechanisms.put(new Long(PKCS11Constants.CKM_SHA256),
			    PKCS11Constants.NAME_CKM_SHA256);
			digestMechanisms.put(new Long(PKCS11Constants.CKM_SHA384),
			    PKCS11Constants.NAME_CKM_SHA384);
			digestMechanisms.put(new Long(PKCS11Constants.CKM_SHA512),
			    PKCS11Constants.NAME_CKM_SHA512);
			digestMechanisms.put(new Long(PKCS11Constants.CKM_FASTHASH),
			    PKCS11Constants.NAME_CKM_FASTHASH);
			digestMechanisms_ = digestMechanisms;
		}

		return digestMechanisms_.containsKey(new Long(mechanismCode));
	}

	/**
	 * This method checks, if the mechanism with the given code is a key
	 * generation mechanism for generating symmetric keys.
	 * This is the information as provided by the table on page 229
	 * of the PKCS#11 v2.11 standard.
	 * If this method returns true, the mechanism can be used with the generateKey
	 * function.
	 *
	 * @param mechanismCode The code of the mechanism to check.
	 * @return True, if the provided mechanism is a key generation mechanism.
	 *         False, otherwise.
	 * @preconditions
	 * @postconditions
	 */
	public static boolean isKeyGenerationMechanism(long mechanismCode) {
		// build the hashtable on demand (=first use)
		if (keyGenerationMechanisms_ == null) {
			Hashtable keyGenerationMechanisms = new Hashtable();
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_DSA_PARAMETER_GEN),
			    PKCS11Constants.NAME_CKM_DSA_PARAMETER_GEN);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_DH_PKCS_PARAMETER_GEN),
			    PKCS11Constants.NAME_CKM_DH_PKCS_PARAMETER_GEN);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_X9_42_DH_PARAMETER_GEN),
			    PKCS11Constants.NAME_CKM_X9_42_DH_PARAMETER_GEN);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_RC2_KEY_GEN),
			    PKCS11Constants.NAME_CKM_RC2_KEY_GEN);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_RC4_KEY_GEN),
			    PKCS11Constants.NAME_CKM_RC4_KEY_GEN);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_DES_KEY_GEN),
			    PKCS11Constants.NAME_CKM_DES_KEY_GEN);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_DES2_KEY_GEN),
			    PKCS11Constants.NAME_CKM_DES2_KEY_GEN);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_DES3_KEY_GEN),
			    PKCS11Constants.NAME_CKM_DES3_KEY_GEN);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_CDMF_KEY_GEN),
			    PKCS11Constants.NAME_CKM_CDMF_KEY_GEN);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_CAST_KEY_GEN),
			    PKCS11Constants.NAME_CKM_CAST_KEY_GEN);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_CAST3_KEY_GEN),
			    PKCS11Constants.NAME_CKM_CAST3_KEY_GEN);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_CAST5_KEY_GEN),
			    PKCS11Constants.NAME_CKM_CAST5_KEY_GEN);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_CAST128_KEY_GEN),
			    PKCS11Constants.NAME_CKM_CAST128_KEY_GEN);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_RC5_KEY_GEN),
			    PKCS11Constants.NAME_CKM_RC5_KEY_GEN);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_AES_KEY_GEN),
			    PKCS11Constants.NAME_CKM_AES_KEY_GEN);

			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_BLOWFISH_KEY_GEN),
			    PKCS11Constants.NAME_CKM_BLOWFISH_KEY_GEN);

			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_TWOFISH_KEY_GEN),
			    PKCS11Constants.NAME_CKM_TWOFISH_KEY_GEN);

			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_IDEA_KEY_GEN),
			    PKCS11Constants.NAME_CKM_IDEA_KEY_GEN);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_GENERIC_SECRET_KEY_GEN),
			    PKCS11Constants.NAME_CKM_GENERIC_SECRET_KEY_GEN);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_SSL3_PRE_MASTER_KEY_GEN),
			    PKCS11Constants.NAME_CKM_SSL3_PRE_MASTER_KEY_GEN);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_TLS_PRE_MASTER_KEY_GEN),
			    PKCS11Constants.NAME_CKM_TLS_PRE_MASTER_KEY_GEN);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_PBE_MD2_DES_CBC),
			    PKCS11Constants.NAME_CKM_PBE_MD2_DES_CBC);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_PBE_MD5_DES_CBC),
			    PKCS11Constants.NAME_CKM_PBE_MD5_DES_CBC);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_PBE_MD5_CAST_CBC),
			    PKCS11Constants.NAME_CKM_PBE_MD5_CAST_CBC);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_PBE_MD5_CAST3_CBC),
			    PKCS11Constants.NAME_CKM_PBE_MD5_CAST3_CBC);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_PBE_MD5_CAST5_CBC),
			    PKCS11Constants.NAME_CKM_PBE_MD5_CAST5_CBC);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_PBE_MD5_CAST128_CBC),
			    PKCS11Constants.NAME_CKM_PBE_MD5_CAST128_CBC);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_PBE_SHA1_CAST5_CBC),
			    PKCS11Constants.NAME_CKM_PBE_SHA1_CAST5_CBC);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_PBE_SHA1_CAST128_CBC),
			    PKCS11Constants.NAME_CKM_PBE_SHA1_CAST128_CBC);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_PBE_SHA1_RC4_128),
			    PKCS11Constants.NAME_CKM_PBE_SHA1_RC4_128);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_PBE_SHA1_RC4_40),
			    PKCS11Constants.NAME_CKM_PBE_SHA1_RC4_40);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_PBE_SHA1_DES3_EDE_CBC),
			    PKCS11Constants.NAME_CKM_PBE_SHA1_DES3_EDE_CBC);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_PBE_SHA1_DES2_EDE_CBC),
			    PKCS11Constants.NAME_CKM_PBE_SHA1_DES2_EDE_CBC);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_PBE_SHA1_RC2_128_CBC),
			    PKCS11Constants.NAME_CKM_PBE_SHA1_RC2_128_CBC);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_PBE_SHA1_RC2_40_CBC),
			    PKCS11Constants.NAME_CKM_PBE_SHA1_RC2_40_CBC);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_PKCS5_PBKD2),
			    PKCS11Constants.NAME_CKM_PKCS5_PBKD2);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_PBA_SHA1_WITH_SHA1_HMAC),
			    PKCS11Constants.NAME_CKM_PBA_SHA1_WITH_SHA1_HMAC);

			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_WTLS_PRE_MASTER_KEY_GEN),
			    PKCS11Constants.NAME_CKM_WTLS_PRE_MASTER_KEY_GEN);

			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_SKIPJACK_KEY_GEN),
			    PKCS11Constants.NAME_CKM_SKIPJACK_KEY_GEN);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_BATON_KEY_GEN),
			    PKCS11Constants.NAME_CKM_BATON_KEY_GEN);
			keyGenerationMechanisms.put(new Long(PKCS11Constants.CKM_JUNIPER_KEY_GEN),
			    PKCS11Constants.NAME_CKM_JUNIPER_KEY_GEN);
			keyGenerationMechanisms_ = keyGenerationMechanisms;
		}

		return keyGenerationMechanisms_.containsKey(new Long(mechanismCode));
	}

	/**
	 * This method checks, if the mechanism with the given code is a key-pair
	 * generation mechanism for generating key-pairs.
	 * This is the information as provided by the table on page 229
	 * of the PKCS#11 v2.11 standard.
	 * If this method returns true, the mechanism can be used with the generateKeyPair
	 * function.
	 *
	 * @param mechanismCode The code of the mechanism to check.
	 * @return True, if the provided mechanism is a key-pair generation mechanism.
	 *         False, otherwise.
	 * @preconditions
	 * @postconditions
	 */
	public static boolean isKeyPairGenerationMechanism(long mechanismCode) {
		// build the hashtable on demand (=first use)
		if (keyPairGenerationMechanisms_ == null) {
			Hashtable keyPairGenerationMechanisms = new Hashtable();
			keyPairGenerationMechanisms.put(
			    new Long(PKCS11Constants.CKM_RSA_PKCS_KEY_PAIR_GEN),
			    PKCS11Constants.NAME_CKM_RSA_PKCS_KEY_PAIR_GEN);
			keyPairGenerationMechanisms.put(
			    new Long(PKCS11Constants.CKM_RSA_X9_31_KEY_PAIR_GEN),
			    PKCS11Constants.NAME_CKM_RSA_X9_31_KEY_PAIR_GEN);
			keyPairGenerationMechanisms.put(new Long(PKCS11Constants.CKM_DSA_KEY_PAIR_GEN),
			    PKCS11Constants.NAME_CKM_DSA_KEY_PAIR_GEN);
			keyPairGenerationMechanisms.put(new Long(PKCS11Constants.CKM_DH_PKCS_KEY_PAIR_GEN),
			    PKCS11Constants.NAME_CKM_DH_PKCS_KEY_PAIR_GEN);
			keyPairGenerationMechanisms.put(new Long(PKCS11Constants.CKM_KEA_KEY_PAIR_GEN),
			    PKCS11Constants.NAME_CKM_KEA_KEY_PAIR_GEN);
			keyPairGenerationMechanisms.put(new Long(PKCS11Constants.CKM_ECDSA_KEY_PAIR_GEN),
			    PKCS11Constants.NAME_CKM_ECDSA_KEY_PAIR_GEN);
			keyPairGenerationMechanisms.put(new Long(PKCS11Constants.CKM_EC_KEY_PAIR_GEN),
			    PKCS11Constants.NAME_CKM_EC_KEY_PAIR_GEN);
			keyPairGenerationMechanisms.put(new Long(PKCS11Constants.CKM_DH_PKCS_KEY_PAIR_GEN),
			    PKCS11Constants.NAME_CKM_DH_PKCS_KEY_PAIR_GEN);
			keyPairGenerationMechanisms.put(
			    new Long(PKCS11Constants.CKM_X9_42_DH_KEY_PAIR_GEN),
			    PKCS11Constants.NAME_CKM_X9_42_DH_KEY_PAIR_GEN);
			keyPairGenerationMechanisms_ = keyPairGenerationMechanisms;
		}

		return keyPairGenerationMechanisms_.containsKey(new Long(mechanismCode));
	}

	/**
	 * This method checks, if the mechanism with the given code is a
	 * wrap/unwrap mechanism; i.e. it supports the wrapKey()
	 * and unwrapKey() functions.
	 * This is the information as provided by the table on page 229
	 * of the PKCS#11 v2.11 standard.
	 * If this method returns true, the mechanism can be used with the wrapKey
	 * and unwrapKey functions.
	 *
	 * @param mechanismCode The code of the mechanism to check.
	 * @return True, if the provided mechanism is a wrap/unwrap mechanism.
	 *         False, otherwise.
	 * @preconditions
	 * @postconditions
	 */
	public static boolean isWrapUnwrapMechanism(long mechanismCode) {
		// build the hashtable on demand (=first use)
		if (wrapUnwrapMechanisms_ == null) {
			Hashtable wrapUnwrapMechanisms = new Hashtable();
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_RSA_PKCS),
			    PKCS11Constants.NAME_CKM_RSA_PKCS);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_RSA_X_509),
			    PKCS11Constants.NAME_CKM_RSA_X_509);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_RSA_PKCS_OAEP),
			    PKCS11Constants.NAME_CKM_RSA_PKCS_OAEP);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_RC2_ECB),
			    PKCS11Constants.NAME_CKM_RC2_ECB);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_RC2_CBC),
			    PKCS11Constants.NAME_CKM_RC2_CBC);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_RC2_CBC_PAD),
			    PKCS11Constants.NAME_CKM_RC2_CBC_PAD);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_DES_ECB),
			    PKCS11Constants.NAME_CKM_DES_ECB);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_DES_CBC),
			    PKCS11Constants.NAME_CKM_DES_CBC);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_DES_CBC_PAD),
			    PKCS11Constants.NAME_CKM_DES_CBC_PAD);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_DES3_ECB),
			    PKCS11Constants.NAME_CKM_DES3_ECB);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_DES3_CBC),
			    PKCS11Constants.NAME_CKM_DES3_CBC);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_DES3_CBC_PAD),
			    PKCS11Constants.NAME_CKM_DES3_CBC_PAD);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_CDMF_ECB),
			    PKCS11Constants.NAME_CKM_CDMF_ECB);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_CDMF_CBC),
			    PKCS11Constants.NAME_CKM_CDMF_CBC);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_CDMF_CBC_PAD),
			    PKCS11Constants.NAME_CKM_CDMF_CBC_PAD);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_CAST_ECB),
			    PKCS11Constants.NAME_CKM_CAST_ECB);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_CAST_CBC),
			    PKCS11Constants.NAME_CKM_CAST_CBC);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_CAST_CBC_PAD),
			    PKCS11Constants.NAME_CKM_CAST_CBC_PAD);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_CAST3_ECB),
			    PKCS11Constants.NAME_CKM_CAST3_ECB);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_CAST3_CBC),
			    PKCS11Constants.NAME_CKM_CAST3_CBC);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_CAST3_CBC_PAD),
			    PKCS11Constants.NAME_CKM_CAST3_CBC_PAD);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_CAST5_ECB),
			    PKCS11Constants.NAME_CKM_CAST5_ECB);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_CAST128_ECB),
			    PKCS11Constants.NAME_CKM_CAST128_ECB);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_CAST5_CBC),
			    PKCS11Constants.NAME_CKM_CAST5_CBC);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_CAST128_CBC),
			    PKCS11Constants.NAME_CKM_CAST128_CBC);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_CAST5_CBC_PAD),
			    PKCS11Constants.NAME_CKM_CAST5_CBC_PAD);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_CAST128_CBC_PAD),
			    PKCS11Constants.NAME_CKM_CAST128_CBC_PAD);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_RC5_ECB),
			    PKCS11Constants.NAME_CKM_RC5_ECB);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_RC5_CBC),
			    PKCS11Constants.NAME_CKM_RC5_CBC);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_RC5_CBC_PAD),
			    PKCS11Constants.NAME_CKM_RC5_CBC_PAD);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_IDEA_ECB),
			    PKCS11Constants.NAME_CKM_IDEA_ECB);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_IDEA_CBC),
			    PKCS11Constants.NAME_CKM_IDEA_CBC);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_IDEA_CBC_PAD),
			    PKCS11Constants.NAME_CKM_IDEA_CBC_PAD);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_KEY_WRAP_LYNKS),
			    PKCS11Constants.NAME_CKM_KEY_WRAP_LYNKS);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_KEY_WRAP_SET_OAEP),
			    PKCS11Constants.NAME_CKM_KEY_WRAP_SET_OAEP);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_SKIPJACK_WRAP),
			    PKCS11Constants.NAME_CKM_SKIPJACK_WRAP);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_SKIPJACK_PRIVATE_WRAP),
			    PKCS11Constants.NAME_CKM_SKIPJACK_PRIVATE_WRAP);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_SKIPJACK_RELAYX),
			    PKCS11Constants.NAME_CKM_SKIPJACK_RELAYX);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_BATON_WRAP),
			    PKCS11Constants.NAME_CKM_BATON_WRAP);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_JUNIPER_WRAP),
			    PKCS11Constants.NAME_CKM_JUNIPER_WRAP);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_AES_ECB),
			    PKCS11Constants.NAME_CKM_AES_ECB);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_AES_CBC),
			    PKCS11Constants.NAME_CKM_AES_CBC);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_AES_CBC_PAD),
			    PKCS11Constants.NAME_CKM_AES_CBC_PAD);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_BLOWFISH_CBC),
			    PKCS11Constants.NAME_CKM_BLOWFISH_CBC);
			wrapUnwrapMechanisms.put(new Long(PKCS11Constants.CKM_TWOFISH_CBC),
			    PKCS11Constants.NAME_CKM_TWOFISH_CBC);
			wrapUnwrapMechanisms_ = wrapUnwrapMechanisms;
		}

		return wrapUnwrapMechanisms_.containsKey(new Long(mechanismCode));
	}

	/**
	 * This method checks, if the mechanism with the given code is a
	 * key derivation mechanism.
	 * This is the information as provided by the table on page 229
	 * of the PKCS#11 v2.11 standard.
	 * If this method returns true, the mechanism can be used with the deriveKey
	 * function.
	 *
	 * @param mechanismCode The code of the mechanism to check.
	 * @return True, if the provided mechanism is a key derivation mechanism.
	 *         False, otherwise.
	 * @preconditions
	 * @postconditions
	 */
	public static boolean isKeyDerivationMechanism(long mechanismCode) {
		// build the hashtable on demand (=first use)
		if (keyDerivationMechanisms_ == null) {
			Hashtable keyDerivationMechanisms = new Hashtable();
			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_DH_PKCS_DERIVE),
			    PKCS11Constants.NAME_CKM_DH_PKCS_DERIVE);
			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_CONCATENATE_BASE_AND_KEY),
			    PKCS11Constants.NAME_CKM_CONCATENATE_BASE_AND_KEY);
			keyDerivationMechanisms.put(
			    new Long(PKCS11Constants.CKM_CONCATENATE_BASE_AND_DATA),
			    PKCS11Constants.NAME_CKM_CONCATENATE_BASE_AND_DATA);
			keyDerivationMechanisms.put(
			    new Long(PKCS11Constants.CKM_CONCATENATE_DATA_AND_BASE),
			    PKCS11Constants.NAME_CKM_CONCATENATE_DATA_AND_BASE);
			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_XOR_BASE_AND_DATA),
			    PKCS11Constants.NAME_CKM_XOR_BASE_AND_DATA);
			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_EXTRACT_KEY_FROM_KEY),
			    PKCS11Constants.NAME_CKM_EXTRACT_KEY_FROM_KEY);
			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_SSL3_MASTER_KEY_DERIVE),
			    PKCS11Constants.NAME_CKM_SSL3_MASTER_KEY_DERIVE);
			keyDerivationMechanisms.put(
			    new Long(PKCS11Constants.CKM_SSL3_MASTER_KEY_DERIVE_DH),
			    PKCS11Constants.NAME_CKM_SSL3_MASTER_KEY_DERIVE_DH);
			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_SSL3_KEY_AND_MAC_DERIVE),
			    PKCS11Constants.NAME_CKM_SSL3_KEY_AND_MAC_DERIVE);
			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_TLS_MASTER_KEY_DERIVE),
			    PKCS11Constants.NAME_CKM_TLS_MASTER_KEY_DERIVE);
			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_TLS_MASTER_KEY_DERIVE_DH),
			    PKCS11Constants.NAME_CKM_TLS_MASTER_KEY_DERIVE_DH);
			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_TLS_KEY_AND_MAC_DERIVE),
			    PKCS11Constants.NAME_CKM_TLS_KEY_AND_MAC_DERIVE);

			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_TLS_PRF),
			    PKCS11Constants.NAME_CKM_TLS_PRF);

			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_MD5_KEY_DERIVATION),
			    PKCS11Constants.NAME_CKM_MD5_KEY_DERIVATION);
			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_MD2_KEY_DERIVATION),
			    PKCS11Constants.NAME_CKM_MD2_KEY_DERIVATION);
			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_SHA1_KEY_DERIVATION),
			    PKCS11Constants.NAME_CKM_SHA1_KEY_DERIVATION);

			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_SHA256_KEY_DERIVATION),
			    PKCS11Constants.NAME_CKM_SHA256_KEY_DERIVATION);
			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_SHA384_KEY_DERIVATION),
			    PKCS11Constants.NAME_CKM_SHA384_KEY_DERIVATION);
			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_SHA512_KEY_DERIVATION),
			    PKCS11Constants.NAME_CKM_SHA512_KEY_DERIVATION);

			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_WTLS_MASTER_KEY_DERIVE),
			    PKCS11Constants.NAME_CKM_TLS_MASTER_KEY_DERIVE);
			keyDerivationMechanisms.put(new Long(
			    PKCS11Constants.CKM_WTLS_MASTER_KEY_DERIVE_DH_ECC),
			    PKCS11Constants.NAME_CKM_WTLS_MASTER_KEY_DERIVE_DH_ECC);
			keyDerivationMechanisms.put(new Long(
			    PKCS11Constants.CKM_WTLS_SERVER_KEY_AND_MAC_DERIVE),
			    PKCS11Constants.NAME_CKM_WTLS_SERVER_KEY_AND_MAC_DERIVE);
			keyDerivationMechanisms.put(new Long(
			    PKCS11Constants.CKM_WTLS_CLIENT_KEY_AND_MAC_DERIVE),
			    PKCS11Constants.NAME_CKM_WTLS_CLIENT_KEY_AND_MAC_DERIVE);
			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_WTLS_PRF),
			    PKCS11Constants.NAME_CKM_WTLS_PRF);

			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_KEA_KEY_DERIVE),
			    PKCS11Constants.NAME_CKM_KEA_KEY_DERIVE);

			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_DES_ECB_ENCRYPT_DATA),
			    PKCS11Constants.NAME_CKM_DES_ECB_ENCRYPT_DATA);
			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_DES_CBC_ENCRYPT_DATA),
			    PKCS11Constants.NAME_CKM_DES_CBC_ENCRYPT_DATA);
			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_DES3_ECB_ENCRYPT_DATA),
			    PKCS11Constants.NAME_CKM_DES3_ECB_ENCRYPT_DATA);
			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_DES3_CBC_ENCRYPT_DATA),
			    PKCS11Constants.NAME_CKM_DES3_CBC_ENCRYPT_DATA);
			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_AES_ECB_ENCRYPT_DATA),
			    PKCS11Constants.NAME_CKM_AES_ECB_ENCRYPT_DATA);
			keyDerivationMechanisms.put(new Long(PKCS11Constants.CKM_AES_CBC_ENCRYPT_DATA),
			    PKCS11Constants.NAME_CKM_AES_CBC_ENCRYPT_DATA);

			keyDerivationMechanisms_ = keyDerivationMechanisms;
		}

		return keyDerivationMechanisms_.containsKey(new Long(mechanismCode));
	}

}