import java.security.MessageDigest;
public class RdEncrypt {
public final static String MD5(String sign) {
char hexDigits[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
try {
byte[] strTemp = sign.getBytes();
MessageDigest mdTemp = MessageDigest.getInstance("MD5");
mdTemp.update(strTemp);
byte[] md = mdTemp.digest();
int j = md.length;
char str[] = new char[j * 2];
int k = 0;
for (int i = 0; i < j; i++) {
byte byte0 = md[i];
str[k++] = hexDigits[byte0 >>> 4 & 0xf];
str[k++] = hexDigits[byte0 & 0xf];
}
return new String(str);
} catch (Exception e) {
return null;
}
}
public static String MD5To16(String sign) {
String str = RdEncrypt.MD5(sign);
if (StringUtil.isBlank(str)) {
return null;
}
return str.substring(8, 24).toString();
}
public static String MD5To16Fission(String sign) {
String str = RdEncrypt.MD5("Fission" + sign);
if (StringUtil.isBlank(str)) {
return null;
}
return str.substring(8, 24).toString();
}
}
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