编辑代码

import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
public class Main {

    public static String getSha1(byte[] str) {
    
            char hexDigits[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
            try {
                MessageDigest mdTemp = MessageDigest.getInstance("SHA1");
                mdTemp.update(str);
                byte[] md = mdTemp.digest();
                int j = md.length;
                char buf[] = new char[j * 2];
                int k = 0;
                for (int i = 0; i < j; i++) {
                    byte byte0 = md[i];
                    buf[k++] = hexDigits[byte0 >>> 4 & 0xf];
                    buf[k++] = hexDigits[byte0 & 0xf];
                }
                return new String(buf);
            } catch (Exception e) {
                return null;
            }
    }

    private static byte[] long2byte(long j) {
        byte[] bArr = new byte[8];
        int i = 0;
        while (i < 8) {
            int i2 = i + 1;
            bArr[i] = (byte) ((int) ((j >> (64 - (i2 * 8))) & 255));
            i = i2;
        }
        return bArr;
    }
    
    private static String sha1Hex(long j, String str) {
        byte[] long2byte = long2byte(j);
        byte[] bytes = str.getBytes();
        
        for (int i = 0; i < bytes.length; i = (byte) (i + 1)) {
            bytes[i] = (byte) (bytes[i] + i);
        }
        byte[] bArr = new byte[16];
        System.arraycopy(bytes, 0, bArr, 0, 8);
        System.arraycopy(long2byte, 0, bArr, 8, 8);
        return getSha1(bArr);
    }
    
	public static void main(String[] args) {
		System.out.println(sha1Hex(1625131401004L,"jt97&^%!"));
	}

}