com.mizhousoft.commons.crypto.digest.HmacMD5Digest Maven / Gradle / Ivy
package com.mizhousoft.commons.crypto.digest;
import javax.crypto.Mac;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import com.mizhousoft.commons.crypto.CryptoException;
/**
* HmacMD5Digest
*
* @version
*/
public final class HmacMD5Digest
{
private static final String ALGORITHM_NAME = "HmacMD5";
/**
* 构造函数
*
*/
private HmacMD5Digest()
{
}
/**
* HASH
*
* @param secretKeyByte
* @param dataBytes
* @return
* @throws CryptoException
*/
public static byte[] hash(byte[] secretKeyByte, byte[] dataBytes) throws CryptoException
{
try
{
Mac mac = Mac.getInstance(ALGORITHM_NAME);
SecretKey keySpec = new SecretKeySpec(secretKeyByte, ALGORITHM_NAME);
mac.init(keySpec);
byte[] doFinal = mac.doFinal(dataBytes);
return doFinal;
}
catch (Exception e)
{
throw new CryptoException("HMAC hash failed.", e);
}
}
}