import java.security.MessageDigest;
public class MD5Util {
public static String md5(String string) {
if (string == null || string.trim().length() < 1) {
return null;
}
try {
byte[] bytes = string.getBytes("iso-8859-1");
String string2 = new String(bytes, "utf-8");
return getMD5(string2.getBytes());
} catch (Exception e) {
throw new RuntimeException(e.getMessage(), e);
}
}
public static String getMD5(byte[] source) {
try {
MessageDigest md5 = MessageDigest.getInstance("MD5");
StringBuffer result = new StringBuffer();
for (byte b : md5.digest(source)) {
result.append(Integer.toHexString((b & 0xf0) >>> 4));
result.append(Integer.toHexString(b & 0x0f));
}
return result.toString();
} catch (Exception e) {
throw new RuntimeException(e.getMessage(), e);
}
}
}
