com.soento.core.util.Md5Util Maven / Gradle / Ivy
package com.soento.core.util;
import java.security.MessageDigest;
/**
* @author yantao.zeng
*/
public class Md5Util {
private final static char[] HEX_DIGITS = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
public static String encode(String input) {
try {
MessageDigest md = MessageDigest.getInstance("MD5");
md.update(input.getBytes("UTF-8"));
byte[] di = md.digest();
char[] str = new char[16 * 2];
int k = 0;
final int num16 = 16;
for (int i = 0; i < num16; i++) {
byte byte0 = di[i];
str[k++] = HEX_DIGITS[byte0 >>> 4 & 0xf];
str[k++] = HEX_DIGITS[byte0 & 0xf];
}
return new String(str);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public static String encode(String input, String salt) {
try {
MessageDigest md = MessageDigest.getInstance("MD5");
md.update((input + salt).getBytes("UTF-8"));
byte[] di = md.digest();
char[] str = new char[16 * 2];
int k = 0;
final int num16 = 16;
for (int i = 0; i < num16; i++) {
byte byte0 = di[i];
str[k++] = HEX_DIGITS[byte0 >>> 4 & 0xf];
str[k++] = HEX_DIGITS[byte0 & 0xf];
}
return new String(str);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}