/// <summary>
/// Initializes the asymmetric key.
/// </summary>
protected void InitializeHashKey()
{
if (!IsHashKeyInitialized)
{
if (KeyStorage.KeyLocationExists(KeyLocation))
{
DecryptHashKey(
KeyStorage.GetKey(KeyLocation));
}
else
{
KeyStorage.PutKey(EncryptHashKey(), KeyLocation);
}
IsHashKeyInitialized = true;
}
_hashAlgorithm.Initialize();
}
/// <summary>
/// Initializes the symmetric key for encryption.
/// </summary>
protected virtual void InitializeSymmetricKey()
{
if (IsSymmetricKeyInitialized)
{
return;
}
// get or create and put the file from/to its physical location
if (KeyStorage.KeyLocationExists(KeyLocation))
{
DecryptSymmetricKey(KeyStorage.GetKey(KeyLocation));
}
else
{
Symmetric.GenerateKey();
KeyStorage.PutKey(EncryptSymmetricKey(), KeyLocation);
}
IsSymmetricKeyInitialized = true;
}
