/// <summary>
/// Asynchronously initializes the asymmetric key.
/// </summary>
protected async Task InitializeHashKeyAsync()
{
if (!IsHashKeyInitialized)
{
if (KeyStorage.KeyLocationExists(KeyLocation))
{
DecryptHashKey(
await KeyStorage.GetKeyAsync(KeyLocation));
}
else
{
await KeyStorage.PutKeyAsync(EncryptHashKey(), KeyLocation);
}
IsHashKeyInitialized = true;
}
_hashAlgorithm.Initialize();
}
/// <summary>
/// Asynchronously initializes the symmetric key for encryption.
/// </summary>
/// <returns>
/// A <see cref="Task"/> object representing the process of asynchronous initialization.
/// </returns>
protected virtual async Task InitializeSymmetricKeyAsync()
{
if (IsSymmetricKeyInitialized)
{
return;
}
// get or create and put the file from/to its location
if (KeyStorage.KeyLocationExists(KeyLocation))
{
DecryptSymmetricKey(await KeyStorage.GetKeyAsync(KeyLocation));
}
else
{
Symmetric.GenerateKey();
await KeyStorage.PutKeyAsync(EncryptSymmetricKey(), KeyLocation);
}
IsSymmetricKeyInitialized = true;
}
