转载连接:https://www.cnblogs.com/wz122889488/p/6899615.html
页面js引用:
<script type="text/javascript" src="/content/plugin/CryptoJSv3.1.2/components/core-min.js"></script>
<script type="text/javascript" src="/content/plugin/CryptoJSv3.1.2/rollups/aes.js"></script>
JS端AES加密解密:
/**************************************************************
*字符串加密
* str:需要加密的字符串
****************************************************************/
function Encrypt(str) {
var KEY = "12345678900000001234567890000000";//32位
var IV = "1234567890000000";//16位
var key = CryptoJS.enc.Utf8.parse(KEY);
var iv = CryptoJS.enc.Utf8.parse(IV);
var encrypted = '';
var srcs = CryptoJS.enc.Utf8.parse(str);
encrypted = CryptoJS.AES.encrypt(srcs, key, {
iv: iv,
mode: CryptoJS.mode.CBC,
padding: CryptoJS.pad.Pkcs7
});
return encrypted.ciphertext.toString();
}
/**************************************************************
*字符串解密
* str:需要解密的字符串
****************************************************************/
function Decrypt(str) {
var KEY = "12345678900000001234567890000000";//32位
var IV = "1234567890000000";//16位
var key = CryptoJS.enc.Utf8.parse(KEY);
var iv = CryptoJS.enc.Utf8.parse(IV);
var encryptedHexStr = CryptoJS.enc.Hex.parse(str);
var srcs = CryptoJS.enc.Base64.stringify(encryptedHexStr);
var decrypt = CryptoJS.AES.decrypt(srcs, key, {
iv: iv,
mode: CryptoJS.mode.CBC,
padding: CryptoJS.pad.Pkcs7
});
var decryptedStr = decrypt.toString(CryptoJS.enc.Utf8);
return decryptedStr.toString();
}
C# AES加密解密:
const string AES_IV = "1234567890000000";//16位
/// <summary>
/// AES加密算法
/// </summary>
/// <param name="input">明文字符串</param>
/// <param name="key">密钥(32位)</param>
/// <returns>字符串</returns>
public static string EncryptByAES(string input, string key)
{
byte[] keyBytes = Encoding.UTF8.GetBytes(key.Substring(0, 32));
using (AesCryptoServiceProvider aesAlg = new AesCryptoServiceProvider())
{
aesAlg.Key = keyBytes;
aesAlg.IV = Encoding.UTF8.GetBytes(AES_IV.Substring(0, 16));
ICryptoTransform encryptor = aesAlg.CreateEncryptor(aesAlg.Key, aesAlg.IV);
using (MemoryStream msEncrypt = new MemoryStream())
{
using (CryptoStream csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write))
{
using (StreamWriter swEncrypt = new StreamWriter(csEncrypt))
{
swEncrypt.Write(input);
}
byte[] bytes = msEncrypt.ToArray();
return ByteArrayToHexString(bytes);
}
}
}
}
/// <summary>
/// AES解密
/// </summary>
/// <param name="input">密文字节数组</param>
/// <param name="key">密钥(32位)</param>
/// <returns>返回解密后的字符串</returns>
public static string DecryptByAES(string input, string key)
{
byte[] inputBytes = HexStringToByteArray(input);
byte[] keyBytes = Encoding.UTF8.GetBytes(key.Substring(0, 32));
using (AesCryptoServiceProvider aesAlg = new AesCryptoServiceProvider())
{
aesAlg.Key = keyBytes;
aesAlg.IV = Encoding.UTF8.GetBytes(AES_IV.Substring(0, 16));
ICryptoTransform decryptor = aesAlg.CreateDecryptor(aesAlg.Key, aesAlg.IV);
using (MemoryStream msEncrypt = new MemoryStream(inputBytes))
{
using (CryptoStream csEncrypt = new CryptoStream(msEncrypt, decryptor, CryptoStreamMode.Read))
{
using (StreamReader srEncrypt = new StreamReader(csEncrypt))
{
return srEncrypt.ReadToEnd();
}
}
}
}
}
/// <summary>
/// 将指定的16进制字符串转换为byte数组
/// </summary>
/// <param name="s">16进制字符串(如:“7F 2C 4A”或“7F2C4A”都可以)</param>
/// <returns>16进制字符串对应的byte数组</returns>
public static byte[] HexStringToByteArray(string s)
{
s = s.Replace(" ", "");
byte[] buffer = new byte[s.Length / 2];
for (int i = 0; i < s.Length; i += 2)
buffer[i / 2] = (byte)Convert.ToByte(s.Substring(i, 2), 16);
return buffer;
}
/// <summary>
/// 将一个byte数组转换成一个格式化的16进制字符串
/// </summary>
/// <param name="data">byte数组</param>
/// <returns>格式化的16进制字符串</returns>
public static string ByteArrayToHexString(byte[] data)
{
StringBuilder sb = new StringBuilder(data.Length * 3);
foreach (byte b in data)
{
//16进制数字
sb.Append(Convert.ToString(b, 16).PadLeft(2, '0'));
//16进制数字之间以空格隔开
//sb.Append(Convert.ToString(b, 16).PadLeft(2, '0').PadRight(3, ' '));
}
return sb.ToString().ToUpper();
}
用法:
Encrypt("2017-05")//结果:68f4a7903a9fe6085d2301ac68cc039c Decrypt("68f4a7903a9fe6085d2301ac68cc039c")//结果:2017-05
//加密 string str1 = Encrypt.EncryptByAES("2017-05", "12345678900000001234567890000000"); //解密 string str2 = Encrypt.DecryptByAES("68f4a7903a9fe6085d2301ac68cc039c", "12345678900000001234567890000000");