私は暗号とjs暗号の新機能です。私はこのような.net コードを以下の暗号化/復号化のために使用しています。 とJSのために、私は、ユーザー名を暗号化する必要がある、と私はhttp://code.google.com/p/crypto-js/AES暗号化.NetとJs
Crypto.AES.encrypt( "Q"、 "テスト"、{モードこのLIBを使用します。新しいCrypto.mode.CBC(Crypto.pad.pkcs7) })
しかし、私は値を解読しようとしました。「パディングエラー」が発生しました 助けてください、ありがとうございます。
/// <summary>
/// Method which does the encryption using Rijndeal algorithm
/// </summary>
/// <param name="InputText">Data to be encrypted</param>
/// <param name="Password">The string to used for making the key.The same string
/// should be used for making the decrpt key</param>
/// <returns>Encrypted Data</returns>
public static string EncryptString(string InputText, string Password)
{
RijndaelManaged RijndaelCipher = new RijndaelManaged();
byte[] PlainText = System.Text.Encoding.Unicode.GetBytes(InputText);
byte[] Salt = Encoding.ASCII.GetBytes(Password.Length.ToString());
//This class uses an extension of the PBKDF1 algorithm defined in the PKCS#5 v2.0
//standard to derive bytes suitable for use as key material from a password.
//The standard is documented in IETF RRC 2898.
PasswordDeriveBytes SecretKey = new PasswordDeriveBytes(Password, Salt);
//Creates a symmetric encryptor object.
ICryptoTransform Encryptor = RijndaelCipher.CreateEncryptor(SecretKey.GetBytes(32), SecretKey.GetBytes(16));
MemoryStream memoryStream = new MemoryStream();
//Defines a stream that links data streams to cryptographic transformations
CryptoStream cryptoStream = new CryptoStream(memoryStream, Encryptor, CryptoStreamMode.Write);
cryptoStream.Write(PlainText, 0, PlainText.Length);
//Writes the final state and clears the buffer
cryptoStream.FlushFinalBlock();
byte[] CipherBytes = memoryStream.ToArray();
memoryStream.Close();
memoryStream = null;
cryptoStream.Close();
cryptoStream = null;
PlainText = null;
Salt = null;
try
{
GC.Collect();
}
catch { }
return Convert.ToBase64String(CipherBytes);
}
/// <summary>
/// Method which does the encryption using Rijndeal algorithm.This is for decrypting the data
/// which has orginally being encrypted using the above method
/// </summary>
/// <param name="InputText">The encrypted data which has to be decrypted</param>
/// <param name="Password">The string which has been used for encrypting.The same string
/// should be used for making the decrypt key</param>
/// <returns>Decrypted Data</returns>
public static string DecryptString(string InputText, string Password)
{
RijndaelManaged RijndaelCipher = new RijndaelManaged();
byte[] EncryptedData = Convert.FromBase64String(InputText);
byte[] Salt = Encoding.ASCII.GetBytes(Password.Length.ToString());
//Making of the key for decryption
PasswordDeriveBytes SecretKey = new PasswordDeriveBytes(Password, Salt);
//Creates a symmetric Rijndael decryptor object.
ICryptoTransform Decryptor = RijndaelCipher.CreateDecryptor(SecretKey.GetBytes(32), SecretKey.GetBytes(16));
MemoryStream memoryStream = new MemoryStream(EncryptedData);
//Defines the cryptographics stream for decryption.THe stream contains decrpted data
CryptoStream cryptoStream = new CryptoStream(memoryStream, Decryptor, CryptoStreamMode.Read);
byte[] PlainText = new byte[EncryptedData.Length];
int DecryptedCount = cryptoStream.Read(PlainText, 0, PlainText.Length);
memoryStream.Close();
memoryStream = null;
cryptoStream.Close();
cryptoStream = null;
Salt = null;
try
{
GC.Collect();
}
catch { }
//Converting to string
return Encoding.Unicode.GetString(PlainText, 0, DecryptedCount);
}
どのようにお手伝いしますか?答えに示されているようにRfc2898DeriveBytesを使用してキーバイトを複製できますか?あなたの質問にフォローアップすることを忘れないでください。 –