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With inspiration from other libraries
/*
* 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.
*
* Note: Not all JCE implementations support all algorithms. If not supported, an IllegalArgumentException is
* thrown.
*
* Sample usage:
*
* 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"));
*
* @since 1.10
* @version $Id$
*/
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 Mac for the HmacMD5 algorithm.
*
* Every implementation of the Java platform is required to support this standard Mac algorithm.
*
*
* @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 Mac for the HmacSHA1 algorithm.
*
* Every implementation of the Java platform is required to support this standard Mac algorithm.
*
*
* @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 Mac for the HmacSHA256 algorithm.
*
* Every implementation of the Java platform is required to support this standard Mac algorithm.
*
*
* @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 Mac for the HmacSHA384 algorithm.
*
* Every implementation of the Java platform is not required to support this Mac algorithm.
*
*
* @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 Mac for the HmacSHA512 algorithm.
*
* Every implementation of the Java platform is not required to support this Mac algorithm.
*
*
* @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 Mac for the given algorithm.
*
* @param algorithm
* the name of the algorithm requested. See
* Appendix A in the Java Cryptography Architecture Reference Guide 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 Mac for the given algorithm.
*
* @param algorithm
* the name of the algorithm requested. See
* Appendix A in the Java Cryptography Architecture Reference Guide 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
*
* The InputStream must not be null and will not be closed
*
* @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
*
* The InputStream must not be null and will not be closed
*
* @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
*
* The InputStream must not be null and will not be closed
*
* @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
*
* The InputStream must not be null and will not be closed
*
* @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
*
* The InputStream must not be null and will not be closed
*
* @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
*
* The InputStream must not be null and will not be closed
*
* @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
*
* The InputStream must not be null and will not be closed
*
* @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
*
* The InputStream must not be null and will not be closed
*
* @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
*
* The InputStream must not be null and will not be closed
*
* @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
*
* The InputStream must not be null and will not be closed
*
* @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
*
* The InputStream must not be null and will not be closed
*
* @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
*
* The InputStream must not be null and will not be closed
*
* @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
*
* The InputStream must not be null and will not be closed
*
* @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 {
try (final BufferedInputStream stream = new BufferedInputStream(new FileInputStream(valueToDigest))) {
return hmac(stream);
}
}
/**
* 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));
}
}