public override async Task <byte[]> GetBinContent(Base.IContentContext context)
{
var prBook = await context.GetUserKeyPair();
if (prBook == null)
{
Insight.Track("Device doesn't hold user key");
return(null);
}
if (await context.GetMyUserId() == TargetId)
{
var contact = await context.GetUser(SourceId);
if (contact == null)
{
Insight.Track("SourceId is not a valid user - " + SourceId);
return(null);
}
return(await prBook.GetValidKey <ECDSAKeyPair>(KeyPurpose.DH_RECEIVE).SharedSecret(contact.PublicKeyBook.GetValidKey <ECDSAPublicKey>(KeyPurpose.DH_SEND)));
}
else
{
var contact2 = await context.GetUser(TargetId);
if (contact2 == null)
{
Insight.Track("TargetId is not a valid user - " + TargetId);
return(null);
}
return(await prBook.GetValidKey <ECDSAKeyPair>(KeyPurpose.DH_SEND).SharedSecret(contact2.PublicKeyBook.GetValidKey <ECDSAPublicKey>(KeyPurpose.DH_RECEIVE)));
}
}
public override async Task <byte[]> GetBinContent(Base.IContentContext context)
{
var prBook = await context.GetDeviceKeyPair();
if (TargetId == await context.GetMyDeviceId())
{
var device = await context.GetDevice(SourceId);
if (device == null)
{
Insight.Track("SourceId is not a valid device - " + SourceId);
return(null);
}
return(await prBook.GetValidKey <ECDSAKeyPair>(KeyPurpose.DH_RECEIVE).SharedSecret(device.PublicKeyBook.GetValidKey <ECDSAPublicKey>(KeyPurpose.DH_SEND)));
}
else
{
var device2 = await context.GetDevice(TargetId);
if (device2 == null)
{
Insight.Track("TargetId is not a valid device - " + TargetId);
return(null);
}
return(await prBook.GetValidKey <ECDSAKeyPair>(KeyPurpose.DH_SEND).SharedSecret(device2.PublicKeyBook.GetValidKey <ECDSAPublicKey>(KeyPurpose.DH_RECEIVE)));
}
}
