Visible to Intel only — GUID: GUID-AE7A8739-98BE-4217-A153-93D40A6F8CBA
Visible to Intel only — GUID: GUID-AE7A8739-98BE-4217-A153-93D40A6F8CBA
GFpECKeyExchangeSM2_Init
Initializes the SM2 Key Exchange Elliptic Curve context.
Syntax
IppStatus ippsGFpECKeyExchangeSM2_Init (IppsGFpECKeyExchangeSM2State* pKE, IppsKeyExchangeRoleSM2 role, IppsGFpECState* pEC)
Include Files
ippcp.h
Parameters
pKE |
Pointer to the buffer begging initialization. |
role |
Role in SM2 key exchange Requester (User A)/Responder(User B) - ippKESM2Requester/ ippKESM2Responder. |
pEC |
Pointer to the elliptic curve context. |
Description
The function initializes the memory buffer pointed to by pKE as IppsGFpECKeyExchangeSM2State.
Return Values
ippStsNoErr |
Indicates no error. Any other value indicates an error or warning. |
ippStsNullPtrErr |
Indicates an error condition if any of the specified pointers are NULL. |
ippStsContextMatchErr |
Indicates an error condition if the IppsGFpECState context parameter does not match the operation. |
ippStsNotSupportedModeErr |
Indicates an error condition if the IppsGFpECState context parameter defines an elliptic curve over an extension of the prime finite field. |
ippStsOutOfRangeErr |
Indicates an error condition if the length in bits of the elliptic curve is less than the length in bits of the SM3 hash digest.. |
ippStsBadArgErr |
Indicates an error condition if the role is not equal to ippKESM2Requester or ippKESM2Responder. |