/// <summary>
/// create enc method instance
/// </summary>
/// <returns>object</returns>
internal static IEncryptionMethod EncryptionMethod()
{
if (_cipherMethod == null)
{
string locationTypeName = System.Configuration.ConfigurationManager.AppSettings["ciphermethodclass"].ToString();
Type type = Type.GetType(locationTypeName);
_cipherMethod = (IEncryptionMethod)Activator.CreateInstance(type);
}
return(_cipherMethod);
}
public static byte[] Encrypt(this IEncryptionMethod self, string inputString)
{
byte[] bytes;
if (inputString.IsBase64())
{
bytes = Convert.FromBase64String(inputString);
}
else
{
bytes = Fi.StandardEncoding.GetBytes(inputString);
}
return(self.Encrypt(bytes));
}
public static void EncryptionMethod(ID3v2TagVersion tagVersion, bool useData)
{
if (tagVersion == ID3v2TagVersion.ID3v22)
{
throw new NotSupportedException();
}
IID3v2Tag id3 = new ID3v2Tag();
IEncryptionMethod aud = id3.EncryptionMethodList.AddNew();
using (MemoryStream ms = new MemoryStream())
{
Write(ms, Encoding.ASCII.GetBytes("http://owneridentifier.org"));
ms.WriteByte(0); // terminate
ms.WriteByte(0x95); // method symbol
if (useData)
{
Write(ms, new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04 });
}
TestFrame(aud, tagVersion, ms.ToArray());
}
}
public byte[] AsDecodedBuffer(IEncryptionMethod method)
{
ResultStream.Seek(0, SeekOrigin.Begin);
return(method.Decrypt(AsBuffer()));
}
public string AsDecodedString(IEncryptionMethod method)
{
var retv = Fi.StandardEncoding.GetString(method.Decrypt(AsBuffer()));
return(retv);
}
public DecypherStreamProcessor(IEncryptionMethod method)
{
_method = method;
}
public static String DecryptToBase64(this IEncryptionMethod self, byte[] bytes)
{
return(Convert.ToBase64String(self.Decrypt(bytes)));
}
public SafeObjectStorage(IFileSystem fs, IEncryptionMethod fileEncryptionMethod, IEncryptionMethod dataEncryptionMethod)
{
fileSystem = fs;
dataEncryptor = dataEncryptionMethod;
fileEncryptor = fileEncryptionMethod;
}
/// <summary>
/// invoke enc method
/// </summary>
/// <param name="message">unencr message</param>
/// <returns>enc message</returns>
public static string Encryption(string message)
{
IEncryptionMethod instance = CipherFactory.EncryptionMethod();
return(instance.Encryption(message));
}
