Java实现文件MD5、SHA1、SHA-256、SHA-384和SHA-512哈希验证

import java.applet.*;
import java.io.*;
import java.security.*;

public class HashFile {
    public static char[] hexChar = {'0', '1', '2', '3',
                                   '4', '5', '6', '7',
                                   '8', '9', 'a', 'b',
                                   'c', 'd', 'e', 'f'};
    public static void main(String[] args) throws
            Exception {
        String fileName = "c:\\abc.zip";
        String hashType = "MD5";
        System.out.println(hashType + " == " +
                           getHash(fileName, hashType));
        hashType = "SHA1";
        System.out.println(hashType + " == " +
                           getHash(fileName, hashType));
        hashType = "SHA-256";
        System.out.println(hashType + " == " +
                           getHash(fileName, hashType));
        hashType = "SHA-384";
        System.out.println(hashType + " == " +
                           getHash(fileName, hashType));
        hashType = "SHA-512";
        System.out.println(hashType + " == " +
                           getHash(fileName, hashType));