cn.m1c.frame.utils.MD5Util Maven / Gradle / Ivy
package cn.m1c.frame.utils;
import java.security.MessageDigest;
/**
* 2016年8月9日 md5加密
* @author phil([email protected],m1c softCo.,ltd)
* @version lannie
*/
public class MD5Util {
private static final String[] hexDigits = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f" };
private static MessageDigest md;
static {
try {
md = MessageDigest.getInstance("MD5");
} catch (Exception e) {}
};
public static String byteArrayToHexString(byte[] b) {
StringBuffer resultSb = new StringBuffer();
for (int i = 0; i < b.length; ++i) {
resultSb.append(byteToHexString(b[i]));
}
return resultSb.toString();
}
private static String byteToHexString(byte b){
int n = b;
if (n < 0)
n += 256;
int d1 = n / 16;
int d2 = n % 16;
return hexDigits[d1] + hexDigits[d2];
}
public static String MD5Encoding(String origin) {
String resultString = null;
try{
resultString = new String(origin);
resultString = byteArrayToHexString(md.digest(resultString.getBytes()));
}
catch (Exception localException) {
}
return resultString;
}
}