CARD_DH_AGREEMENT_INFO structure
This topic is not current. For the most current information about the Smart Card API, see Smart Card Minidriver Specification.
The CARD_DH_AGREEMENT_INFO structure specifies information necessary for the CardConstructDHAgreement function to calculate a Diffie-Hellman key exchange secret agreement.
Windows Server 2003, Windows XP, Windows 2000 Server and Windows 2000 Professional: Diffie-Hellman key exchange secret calculation is not supported.
Syntax
typedef struct _CARD_DH_AGREEMENT_INFO {
DWORD dwVersion;
BYTE bContainerIndex;
DWORD dwFlags;
DWORD dwPublicKey;
PBYTE pbPublicKey;
PBYTE pbReserved;
DWORD cbReserved;
BYTE bSecretAgreementIndex;
} CARD_DH_AGREEMENT_INFO, *PCARD_DH_AGREEMENT_INFO;
Members
-
dwVersion
-
The version of this structure, to be set by the caller. The current version is 2.
-
bContainerIndex
-
The key container index number. The container holds the keys that perform the calculation.
-
dwFlags
-
Reserved. You must set this member to zero.
-
dwPublicKey
-
The size, in bytes, of the pbPublicKey buffer.
-
pbPublicKey
-
A pointer to a buffer that specifies the public key. The CardConstructDHAgreement function constructs the agreement from this key.
-
pbReserved
-
Reserved.
-
cbReserved
-
Reserved.
-
bSecretAgreementIndex
-
The index of the container that holds the secret agreement on successful completion of the CardConstructDHAgreement function.
Requirements
| Minimum supported client |
Windows XP [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
|