标签:byte cep try turn support mes 方法 ringbuf lan
https://www.xiaohongshu.com/discovery/item/5f06aecf000000000101cff5
import java.security.MessageDigest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Md5加密方法
*
*/
public class Md5Utils
{
private static final Logger log = LoggerFactory.getLogger(Md5Utils.class);
private static byte[] md5(String s)
{
MessageDigest algorithm;
try
{
algorithm = MessageDigest.getInstance("MD5");
algorithm.reset();
algorithm.update(s.getBytes("UTF-8"));
byte[] messageDigest = algorithm.digest();
return messageDigest;
}
catch (Exception e)
{
log.error("MD5 Error...", e);
}
return null;
}
private static final String toHex(byte hash[])
{
if (hash == null)
{
return null;
}
StringBuffer buf = new StringBuffer(hash.length * 2);
int i;
for (i = 0; i < hash.length; i++)
{
if ((hash[i] & 0xff) < 0x10)
{
buf.append("0");
}
buf.append(Long.toString(hash[i] & 0xff, 16));
}
return buf.toString();
}
public static String hash(String s)
{
try
{
return new String(toHex(md5(s)).getBytes("UTF-8"), "UTF-8");
}
catch (Exception e)
{
log.error("not supported charset...{}", e);
return s;
}
}
}
标签:byte cep try turn support mes 方法 ringbuf lan
原文地址:https://www.cnblogs.com/ukzq/p/13284054.html