package com.vci.ubcs.starter.web.util;

//
// Source code recreated from a .class file by IntelliJ IDEA
// (powered by FernFlower decompiler)
//


import java.security.MessageDigest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class Md5 {
	private static Logger logger = LoggerFactory.getLogger(Md5.class);

	public Md5() {
	}

	public static String md5(String v) {
		if (v == null) {
			return null;
		} else {
			try {
				MessageDigest md = MessageDigest.getInstance("MD5");
				return toHex(md.digest(v.getBytes()));
			} catch (Exception var2) {
				return null;
			}
		}
	}

	public static String twoTimesMd5(String sourceString) throws Exception {
		return sourceString == null ? null : md5(md5(sourceString));
	}

	public static boolean equalMd5(String md5String, String sourceString) {
		if (md5String != null && sourceString != null) {
			try {
				return md5String.equals(twoTimesMd5(sourceString));
			} catch (Exception var3) {
				var3.printStackTrace();
				return false;
			}
		} else {
			return false;
		}
	}

	public static boolean equalOneMd5(String md5String, String sourceString) {
		if (md5String != null && sourceString != null) {
			try {
				String ms = md5(sourceString);
				return md5String.equals(ms);
			} catch (Exception var3) {
				if (logger.isErrorEnabled()) {
					logger.error("对比md5的时候出现了错误", var3);
				}

				return false;
			}
		} else {
			return false;
		}
	}

	private static String toHex(byte[] buffer) {
		StringBuffer sb = new StringBuffer(32);
		String s = null;

		for(int i = 0; i < buffer.length; ++i) {
			s = Integer.toHexString(buffer[i] & 255);
			if (s.length() < 2) {
				sb.append('0');
			}

			sb.append(s);
		}

		return sb.toString();
	}
}