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ISCardAuth::APP_Auth method

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[The APP_Auth method is available for use in the operating systems specified in the Requirements section. It is not available for use in Windows Server 2003 with Service Pack 1 (SP1) and later, Windows Vista, Windows Server 2008, and subsequent versions of the operating system. The Smart Card Modules provide similar functionality.]

The APP_Auth method authenticates the application. It allows an application to authenticate itself (using a challenge/signature protocol) when authentication is requested by a smart card.

Syntax

HRESULT APP_Auth(
  [in] LONG         lAlgoID,
  [in] LPBYTEBUFFER pParam,
  [in] LPBYTEBUFFER pBuffer
);

Parameters

lAlgoID [in]

Algorithm to be used in the authentication process.

pParam [in]

An IByteBuffer containing vendor-specific parameters of the authentication process.

pBuffer [in]

Data required for the calculation.

Return value

The method returns one of the following possible values.

Return code Description
S_OK
 Operation completed successfully.
E_INVALIDARG
 Invalid parameter.
E_POINTER
 A bad pointer was passed in.
E_OUTOFMEMORY
 Out of memory.

 

Remarks

For a list of all the methods provided by this interface, see ISCardAuth.

In addition to the COM error codes listed above, this interface may return a smart card error code if a smart card function was called to complete the request. For more information, see Smart Card Return Values.

Requirements

Requirement Value
Minimum supported client
 Windows XP [desktop apps only]
Minimum supported server
 Windows Server 2003 [desktop apps only]
End of client support
 Windows XP
End of server support
 Windows Server 2003

See also

ISCardAuth

IByteBuffer