我收到以下错误
填充无效且无法删除
但是，我在调试期间检查过所有属性在加密和解密方面都是相同的，即; BlockSizeValue = 128，InputBlockSize = 16，OutputBlockSize = 16，m_cipherMode = CBC，m_paddingValue = PKCS7等。
我还试过在代码中提供上面的值，填充为None，Zero和PKCS7。 None和Zeros为输出提供了奇怪的字符
即使加密byte []的值在两次调用中都是相同的。
这是代码
从Windows表单应用程序调用
byte[] encrypted;
string decrypted = "";
private void btnEncrypt_Click(object sender, EventArgs e)
{
if(txtInput.Text != "" || txtInput.Text != String.Empty)
{
if (rbtAES.Checked)
{
if (txtKey.Text != "" || txtKey.Text != String.Empty)
{
}
else
{
txtOutput.Text = "Key is missing";
}
}
else if (rbtDES.Checked)
{
}
else if (rbtRijd.Checked)
{
encrypted = RijndaelManagedCryptography.Encrypt(txtInput.Text);
txtOutput.Text = "";
txtOutput.Text = Convert.ToBase64String(encrypted);
//txtOutput.Text = Encoding.ASCII.GetString(encrypted);
}
else
{
txtOutput.Text = "Cryptography type is not selected";
}
}
else
{
txtOutput.Text = "Write an input for encryption";
}
}
private void btnDecrypt_Click(object sender, EventArgs e)
{
if (txtInput.Text != "" || txtInput.Text != String.Empty)
{
if (rbtAES.Checked)
{
if (txtKey.Text != "" || txtKey.Text != String.Empty)
{
}
else
{
txtOutput.Text = "Key is missing";
}
}
else if (rbtDES.Checked)
{
}
else if (rbtRijd.Checked)
{
decrypted = RijndaelManagedCryptography.Decrypt(txtInput.Text);
txtOutput.Text = "";
txtOutput.Text = decrypted;
}
else
{
txtOutput.Text = "Cryptography type is not selected";
}
}
else
{
txtOutput.Text = "Write an input for decryption";
}
}
加密项目
namespace CryptograpgyUnit
{
public class RijndaelManagedCryptography
{
public static byte[] Encrypt(string input)
{
using (RijndaelManaged myRijndael = new RijndaelManaged())
{
myRijndael.GenerateKey();
myRijndael.GenerateIV();
// Encrypt the string to an array of bytes.
byte[] encrypted = EncryptStringToBytes(input, myRijndael.Key, myRijndael.IV);
return encrypted;
}
}
public static string Decrypt(string input)
{
//byte[] encrypted = Encoding.ASCII.GetBytes(input);
byte[] encrypted = Convert.FromBase64String(input);
using (RijndaelManaged myRijndael = new RijndaelManaged())
{
myRijndael.GenerateKey();
myRijndael.GenerateIV();
// Decrypt the bytes to a string.
string decrypted = DecryptStringFromBytes(encrypted, myRijndael.Key, myRijndael.IV);
return decrypted;
}
}
static byte[] EncryptStringToBytes(string plainText, byte[] Key, byte[] IV)
{
// Check arguments.
if (plainText == null || plainText.Length <= 0)
throw new ArgumentNullException("plainText");
if (Key == null || Key.Length <= 0)
throw new ArgumentNullException("Key");
if (IV == null || IV.Length <= 0)
throw new ArgumentNullException("IV");
byte[] encrypted;
// Create an RijndaelManaged object
// with the specified key and IV.
using (RijndaelManaged rijAlg = new RijndaelManaged())
{
rijAlg.Key = Key;
rijAlg.IV = IV;
// Create a decryptor to perform the stream transform.
ICryptoTransform encryptor = rijAlg.CreateEncryptor(rijAlg.Key, rijAlg.IV);
// Create the streams used for encryption.
using (MemoryStream msEncrypt = new MemoryStream())
{
using (CryptoStream csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write))
{
using (StreamWriter swEncrypt = new StreamWriter(csEncrypt))
{
//Write all data to the stream.
swEncrypt.Write(plainText);
}
encrypted = msEncrypt.ToArray();
}
}
}
// Return the encrypted bytes from the memory stream.
return encrypted;
}
static string DecryptStringFromBytes(byte[] cipherText, byte[] Key, byte[] IV)
{
// Check arguments.
if (cipherText == null || cipherText.Length <= 0)
throw new ArgumentNullException("cipherText");
if (Key == null || Key.Length <= 0)
throw new ArgumentNullException("Key");
if (IV == null || IV.Length <= 0)
throw new ArgumentNullException("IV");
// Declare the string used to hold
// the decrypted text.
string plaintext = null;
// Create an RijndaelManaged object
// with the specified key and IV.
using (RijndaelManaged rijAlg = new RijndaelManaged())
{
rijAlg.Key = Key;
rijAlg.IV = IV;
// Create a decrytor to perform the stream transform.
ICryptoTransform decryptor = rijAlg.CreateDecryptor(rijAlg.Key, rijAlg.IV);
// Create the streams used for decryption.
using (MemoryStream msDecrypt = new MemoryStream(cipherText))
{
using (CryptoStream csDecrypt = new CryptoStream(msDecrypt, decryptor, CryptoStreamMode.Read))
{
using (StreamReader srDecrypt = new StreamReader(csDecrypt))
{
// Read the decrypted bytes from the decrypting stream
// and place them in a string.
plaintext = srDecrypt.ReadToEnd();
}
}
}
}
return plaintext;
}
}
}