com.loocme.security.encrypt.Sha1 Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of common Show documentation

There is a newer version: 7.1.11

package com.loocme.security.encrypt;

import lombok.extern.slf4j.Slf4j;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
/**
 * @author liuchi
 * 简单SHA1加密
 */
@Slf4j
public class Sha1
{

    /**
     * 根据输入内容加密，使用数字和字母的组合进行加密
     * 
     * @param input 明文
     * @return 加密后的字符串
     */
    public static String encode(final String input){
        try {
            MessageDigest digest = java.security.MessageDigest
                    .getInstance("SHA-1");
            digest.update(input.getBytes());
            byte messageDigest[] = digest.digest();
            // Create Hex String
            StringBuffer hexString = new StringBuffer();
            // 字节数组转换为 十六进制 数
            for (int i = 0; i < messageDigest.length; i++) {
                String shaHex = Integer.toHexString(messageDigest[i] & 0xFF);
                if (shaHex.length() < 2) {
                    hexString.append(0);
                }
                hexString.append(shaHex);
            }
            return hexString.toString();

        } catch (NoSuchAlgorithmException e) {
            log.error("", e);
        }
        return "";
    }
}