io.afu.baseframework.utils.EncryptCommon Maven / Gradle / Ivy
package io.afu.baseframework.utils;
import io.afu.baseframework.exceptions.BaseException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.Base64Utils;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.io.UnsupportedEncodingException;
import java.nio.charset.StandardCharsets;
import java.security.InvalidKeyException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.text.MessageFormat;
import java.util.Arrays;
import java.util.Base64;
import java.util.Calendar;
import java.util.Map;
public class EncryptCommon {
private static Logger logger = LoggerFactory.getLogger(EncryptCommon.class);
/**
* '将byte转换为16进制
* @param byteArray 需要转换的二进制
* @return String
*/
public static String byteArrayToHex(byte[] byteArray) {
// 首先初始化一个字符数组,用来存放每个16进制字符
char[] hexDigits = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
// new一个字符数组,这个就是用来组成结果字符串的(解释一下:一个byte是八位二进制,也就是2位十六进制字符(2的8次方等于16的2次方))
char[] resultCharArray = new char[byteArray.length * 2];
// 遍历字节数组,通过位运算(位运算效率高),转换成字符放到字符数组中去
int index = 0;
for (byte b : byteArray) {
resultCharArray[index++] = hexDigits[b >>> 4 & 0xf];
resultCharArray[index++] = hexDigits[b & 0xf];
}
// 字符数组组合成字符串返回
return new String(resultCharArray);
}
public static String formatSign(Map params,String seperater) {
String[] paramsKeys = params.keySet().toArray(new String[0]);
Arrays.sort(paramsKeys);
StringBuilder stringBuilder = new StringBuilder();
for (int i =0;i