commons-codec-1.11.jar - Apache Commons Codec

commons-codec-1.11.jar is the JAR file for Apache Commons Codec 1.11, which provides implementations of common encoders and decoders such as Base64, Hex, Phonetic and URLs.

JAR File Size and Download Location:

JAR name: commons-codec.jar
Target JDK version: 1.8
Dependency: None
File name: commons-codec-1.11.jar
File size: 335,042 bytes
Date modified: 10/17/2017 
Download: Apache Commons Codec

✍: FYIcenter

org/apache/commons/codec/digest/HmacUtils.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.commons.codec.digest;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
import java.security.InvalidKeyException;
import java.security.Key;
import java.security.NoSuchAlgorithmException;

import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;

import org.apache.commons.codec.binary.Hex;
import org.apache.commons.codec.binary.StringUtils;

/**
 * Simplifies common {@link javax.crypto.Mac} tasks. This class is immutable and thread-safe.
 * However the Mac may not be.
 * <p>
 * <strong>Note: Not all JCE implementations support all algorithms. If not supported, an IllegalArgumentException is
 * thrown.</strong>
 * <p>
 * Sample usage:
 * <pre>
 * import static HmacAlgorithms.*;
 * byte[] key = {1,2,3,4}; // don't use this actual key!
 * String valueToDigest = "The quick brown fox jumps over the lazy dog";
 * byte[] hmac = new HmacUtils(HMAC_SHA_224, key).hmac(valueToDigest);
 * // Mac re-use
 * HmacUtils hm1 = new HmacUtils("HmacAlgoName", key); // use a valid name here!
 * String hexPom = hm1.hmacHex(new File("pom.xml"));
 * String hexNot = hm1.hmacHex(new File("NOTICE.txt"));
 * </pre>
 * @since 1.10
 * @version $Id: HmacUtils.java 1811344 2017-10-06 15:19:57Z ggregory $
 */
public final class HmacUtils {

    private static final int STREAM_BUFFER_LENGTH = 1024;

    /**
    * Returns whether this algorithm is available
    *
    *@param name the name to check
    * @return whether this algorithm is available
    * @since 1.11
    */
    public static boolean isAvailable(final String name) {
        try {
            Mac.getInstance(name);
            return true;
        } catch (final NoSuchAlgorithmException e) {
            return false;
        }
    }

    /**
    * Returns whether this algorithm is available
    *
    *@param name the name to check
    * @return whether this algorithm is available
    * @since 1.11
    */
    public static boolean isAvailable(final HmacAlgorithms name) {
        try {
            Mac.getInstance(name.getName());
            return true;
        } catch (final NoSuchAlgorithmException e) {
            return false;
        }
    }

    /**
     * Returns an initialized <code>Mac</code> for the HmacMD5 algorithm.
     * <p>
     * Every implementation of the Java platform is required to support this standard Mac algorithm.
     * </p>
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @return A Mac instance initialized with the given key.
     * @see Mac#getInstance(String)
     * @see Mac#init(Key)
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code getInitializedMac(HmacAlgorithms.HMAC_MD5, byte[])}
     */
    @Deprecated
    public static Mac getHmacMd5(final byte[] key) {
        return getInitializedMac(HmacAlgorithms.HMAC_MD5, key);
    }

    /**
     * Returns an initialized <code>Mac</code> for the HmacSHA1 algorithm.
     * <p>
     * Every implementation of the Java platform is required to support this standard Mac algorithm.
     * </p>
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @return A Mac instance initialized with the given key.
     * @see Mac#getInstance(String)
     * @see Mac#init(Key)
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code getInitializedMac(HmacAlgorithms.HMAC_SHA_1, byte[])}
     */
    @Deprecated
    public static Mac getHmacSha1(final byte[] key) {
        return getInitializedMac(HmacAlgorithms.HMAC_SHA_1, key);
    }

    /**
     * Returns an initialized <code>Mac</code> for the HmacSHA256 algorithm.
     * <p>
     * Every implementation of the Java platform is required to support this standard Mac algorithm.
     * </p>
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @return A Mac instance initialized with the given key.
     * @see Mac#getInstance(String)
     * @see Mac#init(Key)
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code getInitializedMac(HmacAlgorithms.HMAC_SHA_256, byte[])}
     */
    @Deprecated
    public static Mac getHmacSha256(final byte[] key) {
        return getInitializedMac(HmacAlgorithms.HMAC_SHA_256, key);
    }

    /**
     * Returns an initialized <code>Mac</code> for the HmacSHA384 algorithm.
     * <p>
     * Every implementation of the Java platform is <em>not</em> required to support this Mac algorithm.
     * </p>
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @return A Mac instance initialized with the given key.
     * @see Mac#getInstance(String)
     * @see Mac#init(Key)
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code getInitializedMac(HmacAlgorithms.HMAC_SHA_384, byte[])}
     */
    @Deprecated
    public static Mac getHmacSha384(final byte[] key) {
        return getInitializedMac(HmacAlgorithms.HMAC_SHA_384, key);
    }

    /**
     * Returns an initialized <code>Mac</code> for the HmacSHA512 algorithm.
     * <p>
     * Every implementation of the Java platform is <em>not</em> required to support this Mac algorithm.
     * </p>
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @return A Mac instance initialized with the given key.
     * @see Mac#getInstance(String)
     * @see Mac#init(Key)
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code getInitializedMac(HmacAlgorithms.HMAC_SHA_512, byte[])}
     */
    @Deprecated
    public static Mac getHmacSha512(final byte[] key) {
        return getInitializedMac(HmacAlgorithms.HMAC_SHA_512, key);
    }

    /**
     * Returns an initialized <code>Mac</code> for the given <code>algorithm</code>.
     *
     * @param algorithm
     *            the name of the algorithm requested. See
     *            <a href= "http://docs.oracle.com/javase/6/docs/technotes/guides/security/crypto/CryptoSpec.html#AppA"
     *            >Appendix A in the Java Cryptography Architecture Reference Guide</a> for information about standard
     *            algorithm names.
     * @param key
     *            They key for the keyed digest (must not be null)
     * @return A Mac instance initialized with the given key.
     * @see Mac#getInstance(String)
     * @see Mac#init(Key)
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     */
    public static Mac getInitializedMac(final HmacAlgorithms algorithm, final byte[] key) {
        return getInitializedMac(algorithm.getName(), key);
    }

    /**
     * Returns an initialized <code>Mac</code> for the given <code>algorithm</code>.
     *
     * @param algorithm
     *            the name of the algorithm requested. See
     *            <a href= "http://docs.oracle.com/javase/6/docs/technotes/guides/security/crypto/CryptoSpec.html#AppA"
     *            >Appendix A in the Java Cryptography Architecture Reference Guide</a> for information about standard
     *            algorithm names.
     * @param key
     *            They key for the keyed digest (must not be null)
     * @return A Mac instance initialized with the given key.
     * @see Mac#getInstance(String)
     * @see Mac#init(Key)
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     */
    public static Mac getInitializedMac(final String algorithm, final byte[] key) {

        if (key == null) {
            throw new IllegalArgumentException("Null key");
        }

        try {
            final SecretKeySpec keySpec = new SecretKeySpec(key, algorithm);
            final Mac mac = Mac.getInstance(algorithm);
            mac.init(keySpec);
            return mac;
        } catch (final NoSuchAlgorithmException e) {
            throw new IllegalArgumentException(e);
        } catch (final InvalidKeyException e) {
            throw new IllegalArgumentException(e);
        }
    }

    // hmacMd5

    /**
     * Returns a HmacMD5 Message Authentication Code (MAC) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest (maybe empty or null)
     * @return HmacMD5 MAC for the given key and value
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_MD5, byte[]).hmac(byte[])}
     */
    @Deprecated
    public static byte[] hmacMd5(final byte[] key, final byte[] valueToDigest) {
        return new HmacUtils(HmacAlgorithms.HMAC_MD5, key).hmac(valueToDigest);
    }

    /**
     * Returns a HmacMD5 Message Authentication Code (MAC) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest
     *            <p>
     *            The InputStream must not be null and will not be closed
     *            </p>
     * @return HmacMD5 MAC for the given key and value
     * @throws IOException
     *             If an I/O error occurs.
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_MD5, byte[]).hmac(InputStream)}
     */
    @Deprecated
    public static byte[] hmacMd5(final byte[] key, final InputStream valueToDigest) throws IOException {
        return new HmacUtils(HmacAlgorithms.HMAC_MD5, key).hmac(valueToDigest);
    }

    /**
     * Returns a HmacMD5 Message Authentication Code (MAC) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest (maybe empty or null)
     * @return HmacMD5 MAC for the given key and value
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_MD5, String).hmac(String)}
     */
    @Deprecated
    public static byte[] hmacMd5(final String key, final String valueToDigest) {
        return new HmacUtils(HmacAlgorithms.HMAC_MD5, key).hmac(valueToDigest);
    }

    /**
     * Returns a HmacMD5 Message Authentication Code (MAC) as a hex string (lowercase) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest (maybe empty or null)
     * @return HmacMD5 MAC for the given key and value as a hex string (lowercase)
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_MD5, byte[]).hmacHex(byte[])}
     */
    @Deprecated
    public static String hmacMd5Hex(final byte[] key, final byte[] valueToDigest) {
        return new HmacUtils(HmacAlgorithms.HMAC_MD5, key).hmacHex(valueToDigest);
    }

    /**
     * Returns a HmacMD5 Message Authentication Code (MAC) as a hex string (lowercase) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest
     *            <p>
     *            The InputStream must not be null and will not be closed
     *            </p>
     * @return HmacMD5 MAC for the given key and value as a hex string (lowercase)
     * @throws IOException
     *             If an I/O error occurs.
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_MD5, byte[]).hmacHex(InputStream)}
     */
    @Deprecated
    public static String hmacMd5Hex(final byte[] key, final InputStream valueToDigest) throws IOException {
        return new HmacUtils(HmacAlgorithms.HMAC_MD5, key).hmacHex(valueToDigest);
    }

    /**
     * Returns a HmacMD5 Message Authentication Code (MAC) as a hex string (lowercase) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest (maybe empty or null)
     * @return HmacMD5 MAC for the given key and value as a hex string (lowercase)
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_MD5, String).hmacHex(String)}
     */
    @Deprecated
    public static String hmacMd5Hex(final String key, final String valueToDigest) {
        return new HmacUtils(HmacAlgorithms.HMAC_MD5, key).hmacHex(valueToDigest);
    }

    // hmacSha1

    /**
     * Returns a HmacSHA1 Message Authentication Code (MAC) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest (maybe empty or null)
     * @return HmacSHA1 MAC for the given key and value
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_1, byte[]).hmac(byte[])}
     */
    @Deprecated
    public static byte[] hmacSha1(final byte[] key, final byte[] valueToDigest) {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_1, key).hmac(valueToDigest);
    }

    /**
     * Returns a HmacSHA1 Message Authentication Code (MAC) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest
     *            <p>
     *            The InputStream must not be null and will not be closed
     *            </p>
     * @return HmacSHA1 MAC for the given key and value
     * @throws IOException
     *             If an I/O error occurs.
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_1, byte[]).hmac(InputStream)}
     */
    @Deprecated
    public static byte[] hmacSha1(final byte[] key, final InputStream valueToDigest) throws IOException {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_1, key).hmac(valueToDigest);
    }

    /**
     * Returns a HmacSHA1 Message Authentication Code (MAC) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest (maybe empty or null)
     * @return HmacSHA1 MAC for the given key and value
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_1, String).hmac(String)}
     */
    @Deprecated
    public static byte[] hmacSha1(final String key, final String valueToDigest) {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_1, key).hmac(valueToDigest);
    }

    /**
     * Returns a HmacSHA1 Message Authentication Code (MAC) as hex string (lowercase) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest (maybe empty or null)
     * @return HmacSHA1 MAC for the given key and value as hex string (lowercase)
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_1, byte[]).hmacHex(byte[])}
     */
    @Deprecated
    public static String hmacSha1Hex(final byte[] key, final byte[] valueToDigest) {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_1, key).hmacHex(valueToDigest);
    }

    /**
     * Returns a HmacSHA1 Message Authentication Code (MAC) as hex string (lowercase) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest
     *            <p>
     *            The InputStream must not be null and will not be closed
     *            </p>
     * @return HmacSHA1 MAC for the given key and value as hex string (lowercase)
     * @throws IOException
     *             If an I/O error occurs.
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_1, byte[]).hmacHex(InputStream)}
     */
    @Deprecated
    public static String hmacSha1Hex(final byte[] key, final InputStream valueToDigest) throws IOException {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_1, key).hmacHex(valueToDigest);
    }

    /**
     * Returns a HmacSHA1 Message Authentication Code (MAC) as hex string (lowercase) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest (maybe empty or null)
     * @return HmacSHA1 MAC for the given key and value as hex string (lowercase)
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_1, String).hmacHex(String)}
     */
    @Deprecated
    public static String hmacSha1Hex(final String key, final String valueToDigest) {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_1, key).hmacHex(valueToDigest);
    }

    // hmacSha256

    /**
     * Returns a HmacSHA256 Message Authentication Code (MAC) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest (maybe empty or null)
     * @return HmacSHA256 MAC for the given key and value
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_256, byte[]).hmac(byte[])}
     */
    @Deprecated
    public static byte[] hmacSha256(final byte[] key, final byte[] valueToDigest) {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_256, key).hmac(valueToDigest);
    }

    /**
     * Returns a HmacSHA256 Message Authentication Code (MAC) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest
     *            <p>
     *            The InputStream must not be null and will not be closed
     *            </p>
     * @return HmacSHA256 MAC for the given key and value
     * @throws IOException
     *             If an I/O error occurs.
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_256, byte[]).hmac(InputStream)}
     */
    @Deprecated
    public static byte[] hmacSha256(final byte[] key, final InputStream valueToDigest) throws IOException {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_256, key).hmac(valueToDigest);
    }

    /**
     * Returns a HmacSHA256 Message Authentication Code (MAC) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest (maybe empty or null)
     * @return HmacSHA256 MAC for the given key and value
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_256, String).hmac(String)}
     */
    @Deprecated
    public static byte[] hmacSha256(final String key, final String valueToDigest) {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_256, key).hmac(valueToDigest);
    }

    /**
     * Returns a HmacSHA256 Message Authentication Code (MAC) as hex string (lowercase) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest (maybe empty or null)
     * @return HmacSHA256 MAC for the given key and value as hex string (lowercase)
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_256, byte[]).hmacHex(byte[])}
     */
    @Deprecated
    public static String hmacSha256Hex(final byte[] key, final byte[] valueToDigest) {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_256, key).hmacHex(valueToDigest);
    }

    /**
     * Returns a HmacSHA256 Message Authentication Code (MAC) as hex string (lowercase) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest
     *            <p>
     *            The InputStream must not be null and will not be closed
     *            </p>
     * @return HmacSHA256 MAC for the given key and value as hex string (lowercase)
     * @throws IOException
     *             If an I/O error occurs.
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_256, byte[]).hmacHex(InputStream)}
     */
    @Deprecated
    public static String hmacSha256Hex(final byte[] key, final InputStream valueToDigest) throws IOException {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_256, key).hmacHex(valueToDigest);
    }

    /**
     * Returns a HmacSHA256 Message Authentication Code (MAC) as hex string (lowercase) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest (maybe empty or null)
     * @return HmacSHA256 MAC for the given key and value as hex string (lowercase)
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_256, String).hmacHex(String)}
     */
    @Deprecated
    public static String hmacSha256Hex(final String key, final String valueToDigest) {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_256, key).hmacHex(valueToDigest);
    }

    // hmacSha384

    /**
     * Returns a HmacSHA384 Message Authentication Code (MAC) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest (maybe empty or null)
     * @return HmacSHA384 MAC for the given key and value
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_384, byte[]).hmac(byte[])}
     */
    @Deprecated
    public static byte[] hmacSha384(final byte[] key, final byte[] valueToDigest) {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_384, key).hmac(valueToDigest);
    }

    /**
     * Returns a HmacSHA384 Message Authentication Code (MAC) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest
     *            <p>
     *            The InputStream must not be null and will not be closed
     *            </p>
     * @return HmacSHA384 MAC for the given key and value
     * @throws IOException
     *             If an I/O error occurs.
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_384, byte[]).hmac(InputStream)}
     */
    @Deprecated
    public static byte[] hmacSha384(final byte[] key, final InputStream valueToDigest) throws IOException {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_384, key).hmac(valueToDigest);
    }

    /**
     * Returns a HmacSHA384 Message Authentication Code (MAC) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest (maybe empty or null)
     * @return HmacSHA384 MAC for the given key and value
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_384, String).hmac(String)}
     */
    @Deprecated
    public static byte[] hmacSha384(final String key, final String valueToDigest) {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_384, key).hmac(valueToDigest);
    }

    /**
     * Returns a HmacSHA384 Message Authentication Code (MAC) as hex string (lowercase) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest (maybe empty or null)
     * @return HmacSHA384 MAC for the given key and value as hex string (lowercase)
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_384, byte[]).hmacHex(byte[])}
     */
    @Deprecated
    public static String hmacSha384Hex(final byte[] key, final byte[] valueToDigest) {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_384, key).hmacHex(valueToDigest);
    }

    /**
     * Returns a HmacSHA384 Message Authentication Code (MAC) as hex string (lowercase) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest
     *            <p>
     *            The InputStream must not be null and will not be closed
     *            </p>
     * @return HmacSHA384 MAC for the given key and value as hex string (lowercase)
     * @throws IOException
     *             If an I/O error occurs.
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_384, byte[]).hmacHex(InputStream)}
     */
    @Deprecated
    public static String hmacSha384Hex(final byte[] key, final InputStream valueToDigest) throws IOException {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_384, key).hmacHex(valueToDigest);
    }

    /**
     * Returns a HmacSHA384 Message Authentication Code (MAC) as hex string (lowercase) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest (maybe empty or null)
     * @return HmacSHA384 MAC for the given key and value as hex string (lowercase)
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_384, String).hmacHex(String)}
     */
    @Deprecated
    public static String hmacSha384Hex(final String key, final String valueToDigest) {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_384, key).hmacHex(valueToDigest);
    }

    // hmacSha512

    /**
     * Returns a HmacSHA512 Message Authentication Code (MAC) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest (maybe empty or null)
     * @return HmacSHA512 MAC for the given key and value
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_512, byte[]).hmac(byte[])}
     */
    @Deprecated
    public static byte[] hmacSha512(final byte[] key, final byte[] valueToDigest) {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_512, key).hmac(valueToDigest);
    }

    /**
     * Returns a HmacSHA512 Message Authentication Code (MAC) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest
     *            <p>
     *            The InputStream must not be null and will not be closed
     *            </p>
     * @return HmacSHA512 MAC for the given key and value
     * @throws IOException
     *             If an I/O error occurs.
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_512, byte[]).hmac(InputStream)}
     */
    @Deprecated
    public static byte[] hmacSha512(final byte[] key, final InputStream valueToDigest) throws IOException {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_512, key).hmac(valueToDigest);
    }

    /**
     * Returns a HmacSHA512 Message Authentication Code (MAC) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest (maybe empty or null)
     * @return HmacSHA512 MAC for the given key and value
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_512, String).hmac(String)}
     */
    @Deprecated
    public static byte[] hmacSha512(final String key, final String valueToDigest) {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_512, key).hmac(valueToDigest);
    }

    /**
     * Returns a HmacSHA512 Message Authentication Code (MAC) as hex string (lowercase) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest (maybe empty or null)
     * @return HmacSHA512 MAC for the given key and value as hex string (lowercase)
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_512, byte[]).hmacHex(byte[])}
     */
    @Deprecated
    public static String hmacSha512Hex(final byte[] key, final byte[] valueToDigest) {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_512, key).hmacHex(valueToDigest);
    }

    /**
     * Returns a HmacSHA512 Message Authentication Code (MAC) as hex string (lowercase) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest
     *            <p>
     *            The InputStream must not be null and will not be closed
     *            </p>
     * @return HmacSHA512 MAC for the given key and value as hex string (lowercase)
     * @throws IOException
     *             If an I/O error occurs.
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_512, byte[]).hmacHex(InputStream)}
     */
    @Deprecated
    public static String hmacSha512Hex(final byte[] key, final InputStream valueToDigest) throws IOException {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_512, key).hmacHex(valueToDigest);
    }

    /**
     * Returns a HmacSHA512 Message Authentication Code (MAC) as hex string (lowercase) for the given key and value.
     *
     * @param key
     *            They key for the keyed digest (must not be null)
     * @param valueToDigest
     *            The value (data) which should to digest (maybe empty or null)
     * @return HmacSHA512 MAC for the given key and value as hex string (lowercase)
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @deprecated (1.11) Use {@code new HmacUtils(HmacAlgorithms.HMAC_SHA_512, String).hmacHex(String)}
     */
    @Deprecated
    public static String hmacSha512Hex(final String key, final String valueToDigest) {
        return new HmacUtils(HmacAlgorithms.HMAC_SHA_512, key).hmacHex(valueToDigest);
    }

    // update

    /**
     * Resets and then updates the given {@link Mac} with the value.
     *
     * @param mac
     *            the initialized {@link Mac} to update
     * @param valueToDigest
     *            the value to update the {@link Mac} with (maybe null or empty)
     * @return the updated {@link Mac}
     * @throws IllegalStateException
     *             if the Mac was not initialized
     */
    public static Mac updateHmac(final Mac mac, final byte[] valueToDigest) {
        mac.reset();
        mac.update(valueToDigest);
        return mac;
    }

    /**
     * Resets and then updates the given {@link Mac} with the value.
     *
     * @param mac
     *            the initialized {@link Mac} to update
     * @param valueToDigest
     *            the value to update the {@link Mac} with
     *            <p>
     *            The InputStream must not be null and will not be closed
     *            </p>
     * @return the updated {@link Mac}
     * @throws IOException
     *             If an I/O error occurs.
     * @throws IllegalStateException
     *             If the Mac was not initialized
     */
    public static Mac updateHmac(final Mac mac, final InputStream valueToDigest) throws IOException {
        mac.reset();
        final byte[] buffer = new byte[STREAM_BUFFER_LENGTH];
        int read = valueToDigest.read(buffer, 0, STREAM_BUFFER_LENGTH);

        while (read > -1) {
            mac.update(buffer, 0, read);
            read = valueToDigest.read(buffer, 0, STREAM_BUFFER_LENGTH);
        }

        return mac;
    }

    /**
     * Resets and then updates the given {@link Mac} with the value.
     *
     * @param mac
     *            the initialized {@link Mac} to update
     * @param valueToDigest
     *            the value to update the {@link Mac} with (maybe null or empty)
     * @return the updated {@link Mac}
     * @throws IllegalStateException
     *             if the Mac was not initialized
     */
    public static Mac updateHmac(final Mac mac, final String valueToDigest) {
        mac.reset();
        mac.update(StringUtils.getBytesUtf8(valueToDigest));
        return mac;
    }

    /**
     * Preserves binary compatibity only.
     * As for previous versions does not provide useful behaviour
     * @deprecated since 1.11; only useful to preserve binary compatibility
     */
    @Deprecated
    public HmacUtils() {
        this(null);
    }

    private final Mac mac;

    private HmacUtils(final Mac mac) {
        this.mac = mac;
    }

    /**
     * Creates an instance using the provided algorithm type.
     *
     * @param algorithm to use
     * @param  key the key to use
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @since 1.11
     */
    public HmacUtils(final String algorithm, final byte[] key) {
        this(getInitializedMac(algorithm, key));
    }

    /**
     * Creates an instance using the provided algorithm type.
     *
     * @param algorithm to use
     * @param  key the key to use
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @since 1.11
     */
    public HmacUtils(final String algorithm, final String key) {
        this(algorithm, StringUtils.getBytesUtf8(key));
    }

    /**
     * Creates an instance using the provided algorithm type.
     *
     * @param algorithm to use
     * @param  key the key to use
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @since 1.11
     */
    public HmacUtils(final HmacAlgorithms algorithm, final String key) {
        this(algorithm.getName(), StringUtils.getBytesUtf8(key));
    }

    /**
     * Creates an instance using the provided algorithm type.
     *
     * @param algorithm to use.
     * @param key the key to use
     * @throws IllegalArgumentException
     *             when a {@link NoSuchAlgorithmException} is caught or key is null or key is invalid.
     * @since 1.11
     */
    public HmacUtils(final HmacAlgorithms algorithm, final byte[] key) {
        this(algorithm.getName(), key);
    }

    /**
     * Returns the digest for the input data.
     *
     * @param valueToDigest the input to use
     * @return the digest as a byte[]
     * @since 1.11
     */
    public byte[] hmac(final byte[] valueToDigest) {
        return mac.doFinal(valueToDigest);
    }

    /**
     * Returns the digest for the input data.
     *
     * @param valueToDigest the input to use
     * @return the digest as a hex String
     * @since 1.11
     */
    public String hmacHex(final byte[] valueToDigest) {
        return Hex.encodeHexString(hmac(valueToDigest));
    }

    /**
     * Returns the digest for the input data.
     *
     * @param valueToDigest the input to use, treated as UTF-8
     * @return the digest as a byte[]
     * @since 1.11
     */
    public byte[] hmac(final String valueToDigest) {
        return mac.doFinal(StringUtils.getBytesUtf8(valueToDigest));
    }

    /**
     * Returns the digest for the input data.
     *
     * @param valueToDigest the input to use, treated as UTF-8
     * @return the digest as a hex String
     * @since 1.11
     */
    public String hmacHex(final String valueToDigest) {
        return Hex.encodeHexString(hmac(valueToDigest));
    }

    /**
     * Returns the digest for the input data.
     *
     * @param valueToDigest the input to use
     * @return the digest as a byte[]
     * @since 1.11
     */
    public byte[] hmac(final ByteBuffer valueToDigest) {
        mac.update(valueToDigest);
        return mac.doFinal();
    }

    /**
     * Returns the digest for the input data.
     *
     * @param valueToDigest the input to use
     * @return the digest as a hex String
     * @since 1.11
     */
    public String hmacHex(final ByteBuffer valueToDigest) {
        return Hex.encodeHexString(hmac(valueToDigest));
    }

    /**
     * Returns the digest for the stream.
     *
     * @param valueToDigest
     *            the data to use
     *            <p>
     *            The InputStream must not be null and will not be closed
     *            </p>
     * @return the digest
     * @throws IOException
     *             If an I/O error occurs.
     * @since 1.11
     */
    public byte[] hmac(final InputStream valueToDigest) throws IOException {
        final byte[] buffer = new byte[STREAM_BUFFER_LENGTH];
        int read;

        while ((read = valueToDigest.read(buffer, 0, STREAM_BUFFER_LENGTH) ) > -1) {
            mac.update(buffer, 0, read);
        }
        return mac.doFinal();
    }

    /**
     * Returns the digest for the stream.
     *
     * @param valueToDigest
     *            the data to use
     *            <p>
     *            The InputStream must not be null and will not be closed
     *            </p>
     * @return the digest as a hex String
     * @throws IOException
     *             If an I/O error occurs.
     * @since 1.11
     */
    public String hmacHex(final InputStream valueToDigest) throws IOException {
        return Hex.encodeHexString(hmac(valueToDigest));
    }

    /**
     * Returns the digest for the file.
     *
     * @param valueToDigest the file to use
     * @return the digest
     * @throws IOException
     *             If an I/O error occurs.
     * @since 1.11
     */
    public byte[] hmac(final File valueToDigest) throws IOException {
        final BufferedInputStream stream = new BufferedInputStream(new FileInputStream(valueToDigest));
        try {
            return hmac(stream);
        } finally {
            stream.close();
        }
    }

    /**
     * Returns the digest for the file.
     *
     * @param valueToDigest the file to use
     * @return the digest as a hex String
     * @throws IOException
     *             If an I/O error occurs.
     * @since 1.11
     */
    public String hmacHex(final File valueToDigest) throws IOException {
        return Hex.encodeHexString(hmac(valueToDigest));
    }

}

org/apache/commons/codec/digest/HmacUtils.java

 

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