Friday, 15 December 2017
HashSuite.java (1st part) (Hash algorithm suite Java source code first part file) Print E-mail
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//
// Creator:    http://www.dicelocksecurity.com
// Version:    vers.6.0.0.1
//
// Copyright (C) 2011-2012 DiceLock Security, LLC. All rights reserved.
//
//                               DISCLAIMER
//
// 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
// REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// DICELOCK IS A REGISTERED TRADEMARK OR TRADEMARK OF THE OWNERS.
//
// Environment:
// java version "1.6.0_29"
// Java(TM) SE Runtime Environment (build 1.6.0_29-b11)
// Java HotSpot(TM) Server VM (build 20.4-b02, mixed mode)
//
 
package com.dicelocksecurity.jdicelock.Hash;
 
import com.dicelocksecurity.jdicelock.CryptoRandomStream.*;
 
/**
 * Suite class to perform any selected hash algorithm on stream bits
 *
 * @author      Angel Ferré @ DiceLock Security
 * @version     6.0.0.1
 * @since       2011-11-03
 */
public class HashSuite {
 
    /**
     * Points the first hash algorithm in the suite
     */
    protected static final Hashes firstHash = Hashes.SHA_1;
 
    /**
     * Array holding instantiated hash algorithm objects
     */
    protected BaseHash[] suite = new BaseHash[Hashes.NumberOfHashes.ordinal()];
 
    /**
     * Array holding booleans pointing out if instantiated hash algorithm objects has been internally created
     */
    protected boolean[] selfCreatedHash = new boolean[Hashes.NumberOfHashes.ordinal()];
 
    /**
     * Number of instantiated hash algorithm objects in the suite
     */
    protected short instantiatedHashes;
 
    /**
     * Constructor, default, initializes suite
     */
    public HashSuite() {
        int i;
 
        for (i = this.GetFirstHash().ordinal(); i < this.GetMaximumNumberOfHashes().ordinal(); i++) {
            this.suite[i] = null;
            this.selfCreatedHash[i] = false;
        }
        this.instantiatedHashes = 0;
    }
 
    /**
     * Destructor
     */
    public void finalize() {
        int i;
 
        for (i = this.GetFirstHash().ordinal(); i < this.GetMaximumNumberOfHashes().ordinal(); i++) {
            if (this.suite[i] != null) {
                this.suite[i] = null;
                this.selfCreatedHash[i] = false;
            }
        }
        this.instantiatedHashes = 0;
    }
 
    // ADDING HASHES
 
    /**
     * Adds a hash to the suite
     *
     * @param    hash  hash algorithm object added to the suite
     */
    public void Add(BaseHash hash) {
 
        if (hash != null) {
            this.suite[hash.GetType().ordinal()] = hash;
            this.selfCreatedHash[hash.GetType().ordinal()] = false;
            this.instantiatedHashes++;
        }
    }
 
    /**
     * Creates and adds a hash to the suite based in the enumerated hash list
     *
     * @param    hash  hash algorithm as enumerated parameter to be added to the suite
     */
    public void Add(Hashes hash) {
 
        switch (hash) {
        case SHA_1:
            if (this.suite[Hashes.SHA_1.ordinal()] == null) {
                this.suite[Hashes.SHA_1.ordinal()] = new Sha1();
                this.instantiatedHashes++;
            }
            break;
        case SHA_224:
            if (this.suite[Hashes.SHA_224.ordinal()] == null) {
                this.suite[Hashes.SHA_224.ordinal()] = new Sha224();
                this.instantiatedHashes++;
            }
            break;
        case SHA_256:
            if (this.suite[Hashes.SHA_256.ordinal()] == null) {
                this.suite[Hashes.SHA_256.ordinal()] = new Sha256();
                this.instantiatedHashes++;
            }
            break;
        case SHA_384:
            if (this.suite[Hashes.SHA_384.ordinal()] == null) {
                this.suite[Hashes.SHA_384.ordinal()] = new Sha384();
                this.instantiatedHashes++;
            }
            break;
        case SHA_512:
            if (this.suite[Hashes.SHA_512.ordinal()] == null) {
                this.suite[Hashes.SHA_512.ordinal()] = new Sha512();
                this.instantiatedHashes++;
            }
            break;
        case RIPEMD_128:
            if (this.suite[Hashes.RIPEMD_128.ordinal()] == null) {
                this.suite[Hashes.RIPEMD_128.ordinal()] = new Ripemd128();
                this.instantiatedHashes++;
            }
            break;
        case RIPEMD_160:
            if (this.suite[Hashes.RIPEMD_160.ordinal()] == null) {
                this.suite[Hashes.RIPEMD_160.ordinal()] = new Ripemd160();
                this.instantiatedHashes++;
            }
            break;
        case RIPEMD_256:
            if (this.suite[Hashes.RIPEMD_256.ordinal()] == null) {
                this.suite[Hashes.RIPEMD_256.ordinal()] = new Ripemd256();
                this.instantiatedHashes++;
            }
            break;
        case RIPEMD_320:
            if (this.suite[Hashes.RIPEMD_320.ordinal()] == null) {
                this.suite[Hashes.RIPEMD_320.ordinal()] = new Ripemd320();
                this.instantiatedHashes++;
            }
            break;
        default:
            break;
        }
        this.selfCreatedHash[hash.ordinal()] = true;
    }
 
    /**
     * Creates and adds all hash algorithms to the suite
     */
    public void AddAll() {
        int i;
 
        this.suite[Hashes.SHA_1.ordinal()] = new Sha1();
        this.suite[Hashes.SHA_224.ordinal()] = new Sha224();
        this.suite[Hashes.SHA_256.ordinal()] = new Sha256();
        this.suite[Hashes.SHA_384.ordinal()] = new Sha384();
        this.suite[Hashes.SHA_512.ordinal()] = new Sha512();
        this.suite[Hashes.RIPEMD_128.ordinal()] = new Ripemd128();
        this.suite[Hashes.RIPEMD_160.ordinal()] = new Ripemd160();
        this.suite[Hashes.RIPEMD_256.ordinal()] = new Ripemd256();
        this.suite[Hashes.RIPEMD_320.ordinal()] = new Ripemd320();
        for (i = this.GetFirstHash().ordinal(); i < this.GetMaximumNumberOfHashes().ordinal(); i++) {
            this.selfCreatedHash[i] = true;
        }
        this.instantiatedHashes = (short)Hashes.NumberOfHashes.ordinal();
    }
 
    /**
     * Creates and adds defined hash to the suite
     */
    public void AddSha1() {
 
        this.suite[Hashes.SHA_1.ordinal()] = new Sha1();
        this.selfCreatedHash[Hashes.SHA_1.ordinal()] = true;
        this.instantiatedHashes++;
    }
 
    /**
     * Creates and adds defined hash to the suite
     */
    public void AddSha224() {
 
        this.suite[Hashes.SHA_224.ordinal()] = new Sha224();
        this.selfCreatedHash[Hashes.SHA_224.ordinal()] = true;
        this.instantiatedHashes++;
    }
 
    /**
     * Creates and adds defined hash to the suite
     */
    public void AddSha256() {
 
        this.suite[Hashes.SHA_256.ordinal()] = new Sha256();
        this.selfCreatedHash[Hashes.SHA_256.ordinal()] = true;
        this.instantiatedHashes++;
    }
 
    /**
     * Creates and adds defined hash to the suite
     */
    public void AddSha384() {
 
        this.suite[Hashes.SHA_384.ordinal()] = new Sha384();
        this.selfCreatedHash[Hashes.SHA_384.ordinal()] = true;
        this.instantiatedHashes++;
    }
 
    /**
     * Creates and adds defined hash to the suite
     */
    public void AddSha512() {
 
        this.suite[Hashes.SHA_512.ordinal()] = new Sha512();
        this.selfCreatedHash[Hashes.SHA_512.ordinal()] = true;
        this.instantiatedHashes++;
    }
 
    /**
     * Creates and adds defined hash to the suite
     */
    public void AddRipemd128() {
 
        this.suite[Hashes.RIPEMD_128.ordinal()] = new Ripemd128();
        this.selfCreatedHash[Hashes.RIPEMD_128.ordinal()] = true;
        this.instantiatedHashes++;
    }
 
    /**
     * Creates and adds defined hash to the suite
     */
    public void AddRipemd160() {
 
        this.suite[Hashes.RIPEMD_160.ordinal()] = new Ripemd160();
        this.selfCreatedHash[Hashes.RIPEMD_160.ordinal()] = true;
        this.instantiatedHashes++;
    }
 
    /**
     * Creates and adds defined hash to the suite
     */
    public void AddRipemd256() {
 
        this.suite[Hashes.RIPEMD_256.ordinal()] = new Ripemd256();
        this.selfCreatedHash[Hashes.RIPEMD_256.ordinal()] = true;
        this.instantiatedHashes++;
    }
 
    /**
     * Creates and adds defined hash to the suite
     */
    public void AddRipemd320() {
 
        this.suite[Hashes.RIPEMD_320.ordinal()] = new Ripemd320();
        this.selfCreatedHash[Hashes.RIPEMD_320.ordinal()] = true;
        this.instantiatedHashes++;
    }
 
    // GETTING HASH OBJECT
 
    /**
     * Gets a hash algorithm from the suite based in the enumerated hash
     *
     * @param    hash  hash algorithm as enumerated parameter to be selected
     */
    public BaseHash GetMessageDigest(Hashes hash) {
 
        return this.suite[hash.ordinal()];
    }
 
    /**
     * Gets defined hash from the suite
     */
    public Sha1 GetSha1() {
 
        return (Sha1)this.suite[Hashes.SHA_1.ordinal()];
    }
 
    /**
     * Gets defined hash from the suite
     */
    public Sha224 GetSha224() {
 
        return (Sha224)this.suite[Hashes.SHA_224.ordinal()];
    }
 
    /**
     * Gets defined hash from the suite
     */
    public Sha256 GetSha256() {
 
        return (Sha256)this.suite[Hashes.SHA_256.ordinal()];
    }
 
    /**
     * Gets defined hash from the suite
     */
    public Sha384 GetSha384() {
 
        return (Sha384)this.suite[Hashes.SHA_384.ordinal()];
    }
 
    /**
     * Gets defined hash from the suite
     */
    public Sha512 GetSha512() {
 
        return (Sha512)this.suite[Hashes.SHA_512.ordinal()];
    }
 
    /**
     * Gets defined hash from the suite
     */
    public Ripemd128 GetRipemd128() {
 
        return (Ripemd128)this.suite[Hashes.RIPEMD_128.ordinal()];
    }
 
    /**
     * Gets defined hash from the suite
     */
    public Ripemd160 GetRipemd160() {
 
        return (Ripemd160)this.suite[Hashes.RIPEMD_160.ordinal()];
    }
 
    /**
     * Gets defined hash from the suite
     */
    public Ripemd256 GetRipemd256() {
 
        return (Ripemd256)this.suite[Hashes.RIPEMD_256.ordinal()];
    }
 
    /**
     * Gets defined hash from the suite
     */
    public Ripemd320 GetRipemd320() {
 
        return (Ripemd320)this.suite[Hashes.RIPEMD_320.ordinal()];
    }