public static CryptoMeta CreateCrypto(string masterKey)
{
var decodedKey = Convert.FromBase64String(masterKey);
var fileKey = CreateSecureRandom(decodedKey.Length);
var ivKey = CreateSecureRandom(decodedKey.Length);
if (_internalCryptoManager.KeySize != fileKey.Length)
{
_internalCryptoManager = C.GetOrCreate(fileKey.Length);
}
return(new CryptoMeta
{
Key = Convert.ToBase64String(_internalCryptoManager.EncryptKey(decodedKey, fileKey)),
Iv = Convert.ToBase64String(ivKey),
KeySize = decodedKey.Length * 8,
Transform = _internalCryptoManager.CreateEncryptor(fileKey, ivKey)
});
}
private static InternalCryptoManager Add(InternalCryptoManager internalCryptoManager)
{
Cryptos.Add(internalCryptoManager);
return(internalCryptoManager);
}
