IDirect3DAuthenticatedChannel9::NegotiateKeyExchange method (d3d9.h)

Article
02/22/2024

Establishes a session key for the authenticated channel.

Syntax

HRESULT NegotiateKeyExchange(
  UINT DataSize,
  VOID *pData
);

Parameters

DataSize

The size of the data in the pData array, in bytes.

pData

A pointer to a byte array that contains the encrypted session key. The buffer must contain 256 bytes of data, encrypted using RSA Encryption Scheme - Optimal Asymmetric Encryption Padding (RSAES-OAEP).

Return value

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

This method fails if the channel type is D3DAUTHENTICATEDCHANNEL_D3D9, because the Direct3D 9 channel does not support authentication.

Requirements

Requirement	Value
Minimum supported client	Windows 7 [desktop apps only]
Minimum supported server	Windows Server 2008 R2 [desktop apps only]
Target Platform	Windows
Header	d3d9.h