/// <summary>
/// Decrypt method implementation
/// </summary>
public override byte[] Decrypt(byte[] data, string description = "")
{
try
{
byte[] Hdr = GetHeader(data);
if (Hdr.SequenceEqual(new byte[] { 0x17, 0xD3, 0xF4, 0x2B })) // RSA
{
using (RSASystemEncryption enc = new RSASystemEncryption())
{
return(enc.Decrypt(data));
}
}
else if (Hdr.SequenceEqual(new byte[] { 0x17, 0xD3, 0xF4, 0x2A })) // AES256
{
using (AESSystemEncryption enc = new AESSystemEncryption())
{
return(enc.Decrypt(data));
}
}
else
{
return(data);
}
}
catch
{
return(data);
}
}
/// <summary>
/// Encrypt method implementation
/// </summary>
public override byte[] Encrypt(byte[] data, string description = "")
{
try
{
if (CngKey.Exists(SystemUtilities.SystemKeyName, KeyStorageProvider, CngKeyOpenOptions.MachineKey))
{
using (RSASystemEncryption enc = new RSASystemEncryption())
{
return(enc.Encrypt(data, description));
}
}
else
{
using (AESSystemEncryption enc = new AESSystemEncryption())
{
return(enc.Encrypt(data, description));
}
}
}
catch
{
return(data);
}
}