public async Task <Content> EncryptForUser(Content content, ChadderContact contact)
{
var key = new ECDHUser(db.LocalUser.UserId, contact.UserId);
return(await AES256WithKey.Encrypt(this, key, content));
}
public async Task <Content> EncryptForDevice(Content content, ChadderUserDevice device)
{
var key = new ECDHDevice(db.LocalDevice.DeviceId, device.DeviceId);
return(await AES256WithKey.Encrypt(this, key, content));
}