摘要:本文主要向大家介绍了C#编程之CryptoJS与C#AES加解密互转,通过具体的内容向大家展示,希望对大家学习C#编程有所帮助。
本文主要向大家介绍了C#编程之CryptoJS与C#AES加解密互转,通过具体的内容向大家展示,希望对大家学习C#编程有所帮助。
JS端AES加密解密:
1 com.str = {
2 _KEY: "12345678900000001234567890000000",//32位
3 _IV: "1234567890000000",//16位
4 /**************************************************************
5 *字符串加密
6 * str:需要加密的字符串
7 ****************************************************************/
8 Encrypt: function (str) {
9 var key = CryptoJS.enc.Utf8.parse(this._KEY);
10 var iv = CryptoJS.enc.Utf8.parse(this._IV);
11
12 var encrypted = ‘‘;
13
14 var srcs = CryptoJS.enc.Utf8.parse(str);
15 encrypted = CryptoJS.AES.encrypt(srcs, key, {
16 iv: iv,
17 mode: CryptoJS.mode.CBC,
18 padding: CryptoJS.pad.Pkcs7
19 });
20
21 return encrypted.ciphertext.toString();
22 },
23
24 /**************************************************************
25 *字符串解密
26 * str:需要解密的字符串
27 ****************************************************************/
28 Decrypt: function (str) {
29 var key = CryptoJS.enc.Utf8.parse(this._KEY);
30 var iv = CryptoJS.enc.Utf8.parse(this._IV);
31 var encryptedHexStr = CryptoJS.enc.Hex.parse(str);
32 var srcs = CryptoJS.enc.Base64.stringify(encryptedHexStr);
33 var decrypt = CryptoJS.AES.decrypt(srcs, key, {
34 iv: iv,
35 mode: CryptoJS.mode.CBC,
36 padding: CryptoJS.pad.Pkcs7
37 });
38 var decryptedStr = decrypt.toString(CryptoJS.enc.Utf8);
39 return decryptedStr.toString();
40 }
41 }
C# AES加密解密:
const string AES_IV = "1234567890000000";//16位 ///
///
明文字符串
///
密钥(32位)
///
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);
}
}
}
}
///
///
密文字节数组
///
密钥(32位)
///
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();
}
}
}
}
}
///
///
16进制字符串(如:“7F 2C 4A”或“7F2C4A”都可以)
///
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;
}
///
///
byte数组
///
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:
com.str.Encrypt("2017-05")//结果:68f4a7903a9fe6085d2301ac68cc039c
com.str.Decrypt("68f4a7903a9fe6085d2301ac68cc039c")//结果:2017-05
//加密
string str1 = Encrypt.EncryptByAES("2017-05", "12345678900000001234567890000000");
//解密
string str2 = Encrypt.DecryptByAES("68f4a7903a9fe6085d2301ac68cc039c", "12345678900000001234567890000000");
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