CardConstructDHAgreement Function

The CardConstructDHAgreement function, defined by a smart card module, performs a secret agreement calculation for Diffie-Hellman key exchange by using the specified private key.

**Windows Server 2003, Windows XP, Windows 2000 Server, and Windows 2000 Professional:  **This function is not supported.

Syntax

DWORD WINAPI CardConstructDHAgreement(
  __in  PCARD_DATA pCardData,
  __in  PCARD_DH_AGREEMENT_INFO pAgreementInfo
);

Parameters

• pCardData [in]
  A pointer to the CARD_DATA structure received from a call to the CardAcquireContext function.

• pAgreementInfo [in]
  A pointer to a CARD_DH_AGREEMENT_INFO structure that, on input, specifies the index of the container that contains the keys to exchange. On output, the structure contains a handle to the calculated secret agreement.

Return Value

If the function succeeds, it returns zero.

If the function fails, it returns a nonzero error value.

Requirements

See Also

Microsoft Base Smart Card Cryptographic Service Provider

Send comments about this topic to Microsoft

Build date: 3/5/2009