C# AES(rijndael)解密
我有一个对字符串进行编码和解码的安全类,但当我尝试进行解码时,出现了一些问题 这是我的安全课程:C# AES(rijndael)解密,c#,encryption,aes,rijndaelmanaged,C#,Encryption,Aes,Rijndaelmanaged,我有一个对字符串进行编码和解码的安全类,但当我尝试进行解码时,出现了一些问题 这是我的安全课程: class Security { public static String encrypt(String imput, String key) { String cipherText; var rijndael = new RijndaelManaged() { Key = Encoding.Unicode.Ge
class Security
{
public static String encrypt(String imput, String key)
{
String cipherText;
var rijndael = new RijndaelManaged()
{
Key = Encoding.Unicode.GetBytes(key),
Mode = CipherMode.ECB,
BlockSize = 128,
Padding = PaddingMode.Zeros,
};
ICryptoTransform encryptor = rijndael.CreateEncryptor(rijndael.Key, null);
using (var memoryStream = new MemoryStream())
{
using (var cryptoStream = new CryptoStream(memoryStream, encryptor, CryptoStreamMode.Write))
{
using (var streamWriter = new StreamWriter(cryptoStream))
{
streamWriter.Write(imput);
streamWriter.Flush();
}
cipherText = Convert.ToBase64String(memoryStream.ToArray());
}
}
return cipherText;
}
public static String decrypt(String imput, String key)
{
byte[] data = Convert.FromBase64String(imput);
String decrypted;
using (RijndaelManaged rijAlg = new RijndaelManaged())
{
rijAlg.Key = Encoding.UTF8.GetBytes(key);
rijAlg.Mode = CipherMode.ECB;
rijAlg.BlockSize = 128;
rijAlg.Padding = PaddingMode.Zeros;
ICryptoTransform decryptor = rijAlg.CreateDecryptor(rijAlg.Key, null);
using (MemoryStream msDecrypt = new MemoryStream(data))
{
using (CryptoStream csDecrypt = new CryptoStream(msDecrypt, decryptor, CryptoStreamMode.Read))
{
using (StreamReader srDecrypt = new StreamReader(csDecrypt))
{
decrypted = srDecrypt.ReadToEnd();
}
}
}
}
return decrypted;
}
}
在program.cs中:
String A = Security.encrypt("text", "1234567891234567");
A = Security.decrypt(A, "1234567891234567");
最后,它会返回这样的结果:�%����;\0�\A.��f6,但我需要原始字符串。我哪里出错了?在这两种方法中使用相同的编码,要么是encoding.Unicode,要么是encoding.UTF8在这两种方法中使用相同的编码,要么是encoding.Unicode,要么是encoding.Unicode.GetBytes(key)=encoding.UTF8.GetBytes(key)?你说得对。我没有注意到我使用了不同的格式。谢谢。我不确定,但是是
Encoding.Unicode.GetBytes(key)==Encoding.UTF8.GetBytes(key)
?你说得对。我没有注意到我使用了不同的格式。谢谢,你说得对。我没有注意到我使用了不同的格式。谢谢,你说得对。我没有注意到我使用了不同的格式。非常感谢。