/****************************************************************************/
/// <summary>
/// Retrieves a the encryptor specified by the given id
/// </summary>
/// <param name="keyId"></param>
/// <returns></returns>
public async Task <IEncryptor> GetValidForDecryption(Guid keyId)
{
// See if there's one in the cache
return(await _cache.Get <IEncryptor>("Decrypt/" + keyId.ToId(), async() =>
{
// Create a new encryptor with an existing policy and key
var key = await _keyFactory.GetDecryptionKey(keyId);
return _encryptorFactory.Create(key);
},
tsExpires : new TimeSpan(0, 30, 0) // Expire after 30 minutes
));
}
public static IEncryptor CreateEncryptor()
{
return((_factory != null) ? _factory.Create() : null);
}