Supported Operations

wolfSPDM implements requester-side SPDM operations for session establishment, secure data exchange, attestation, and session maintenance.

Operation coverage

Operation	SPDM area	wolfSPDM API
Version negotiation	GET_VERSION	`wolfSPDM_GetVersion`
Capability negotiation	GET_CAPABILITIES	`wolfSPDM_GetCapabilities`
Algorithm negotiation	NEGOTIATE_ALGORITHMS	`wolfSPDM_NegotiateAlgorithms`
Certificate digest retrieval	GET_DIGESTS	`wolfSPDM_GetDigests`
Certificate chain retrieval	GET_CERTIFICATE	`wolfSPDM_GetCertificate`
Session key exchange	KEY_EXCHANGE	`wolfSPDM_KeyExchange`
Session finalization	FINISH	`wolfSPDM_Finish`
One-shot full connect	Full handshake	`wolfSPDM_Connect`
Secured app exchange	Secured messages	`wolfSPDM_SecuredExchange`
App send/receive helpers	Secured messages	`wolfSPDM_SendData`, `wolfSPDM_ReceiveData`
Measurements (signed/unsigned)	GET_MEASUREMENTS	`wolfSPDM_GetMeasurements`
Measurement block access	Measurement parsing	`wolfSPDM_GetMeasurementCount`, `wolfSPDM_GetMeasurementBlock`
Sessionless challenge auth	CHALLENGE / CHALLENGE_AUTH	`wolfSPDM_Challenge`
Keep-alive	HEARTBEAT	`wolfSPDM_Heartbeat`
Session key rotation	KEY_UPDATE	`wolfSPDM_KeyUpdate`

Maximum negotiated version can be capped with wolfSPDM_SetMaxVersion.