Esys_ContextLoad - The ESAPI function for the TPM2_ContextLoad
command.
TSS2_RC Esys_ContextLoad_Async (ESYS_CONTEXT
*esysContext, const TPMS_CONTEXT *context)
TSS2_RC Esys_ContextLoad (ESYS_CONTEXT *esysContext, const
TPMS_CONTEXT *context, ESYS_TR *loadedHandle)
TSS2_RC Esys_ContextLoad_Finish (ESYS_CONTEXT *esysContext,
ESYS_TR *loadedHandle)
ESAPI function to invoke the TPM2_ContextLoad command either as a
one-call or in an asynchronous manner.
One-Call function for TPM2_ContextLoad
This function invokes the TPM2_ContextLoad command in a one-call
variant. This means the function will block until the TPM response is
available. All input parameters are const. The memory for non-simple output
parameters is allocated by the function implementation.
Parameters
esysContext The ESYS_CONTEXT.
context The context blob.
loadedHandle ESYS_TR handle of ESYS resource for TPMI_DH_CONTEXT.
Return values
TSS2_RC_SUCCESS if the function call was a
success.
TSS2_ESYS_RC_BAD_REFERENCE if the esysContext or required input pointers
or required output handle references are NULL.
TSS2_ESYS_RC_BAD_CONTEXT if esysContext corruption is detected.
TSS2_ESYS_RC_MEMORY if the ESAPI cannot allocate enough memory for
internal operations or return parameters.
TSS2_ESYS_RC_BAD_SEQUENCE if the context has an asynchronous operation
already pending.
TSS2_ESYS_RC_INSUFFICIENT_RESPONSE if the TPM's response does not at
least contain the tag, response length, and response code.
TSS2_ESYS_RC_MALFORMED_RESPONSE if the TPM's response is corrupted.
TSS2_ESYS_RC_RSP_AUTH_FAILED if the response HMAC from the TPM did not
verify.
TSS2_RCs produced by lower layers of the software stack may be returned
to the caller unaltered unless handled internally.
Asynchronous function for TPM2_ContextLoad
This function invokes the TPM2_ContextLoad command in a
asynchronous variant. This means the function will return as soon as the
command has been sent downwards the stack to the TPM. All input parameters
are const. In order to retrieve the TPM's response call
Esys_ContextLoad_Finish.
Parameters
esysContext The ESYS_CONTEXT.
context The context blob.
Return values
ESYS_RC_SUCCESS if the function call was a
success.
TSS2_ESYS_RC_BAD_REFERENCE if the esysContext or required input pointers
or required output handle references are NULL.
TSS2_ESYS_RC_BAD_CONTEXT if esysContext corruption is detected.
TSS2_ESYS_RC_MEMORY if the ESAPI cannot allocate enough memory for
internal operations or return parameters.
TSS2_RCs produced by lower layers of the software stack may be returned
to the caller unaltered unless handled internally.
Asynchronous finish function for TPM2_ContextLoad
This function returns the results of a TPM2_ContextLoad command
invoked via Esys_ContextLoad_Finish. All non-simple output parameters are
allocated by the function's implementation. NULL can be passed for every
output parameter if the value is not required.
Parameters
esysContext The ESYS_CONTEXT.
loadedHandle ESYS_TR handle of ESYS resource for TPMI_DH_CONTEXT.
Return values
TSS2_RC_SUCCESS on success
ESYS_RC_SUCCESS if the function call was a success.
TSS2_ESYS_RC_BAD_REFERENCE if the esysContext or required input pointers
or required output handle references are NULL.
TSS2_ESYS_RC_BAD_CONTEXT if esysContext corruption is detected.
TSS2_ESYS_RC_MEMORY if the ESAPI cannot allocate enough memory for
internal operations or return parameters.
TSS2_ESYS_RC_BAD_SEQUENCE if the context has an asynchronous operation
already pending.
TSS2_ESYS_RC_TRY_AGAIN if the timeout counter expires before the TPM
response is received.
TSS2_ESYS_RC_INSUFFICIENT_RESPONSE if the TPM's response does not at
least contain the tag, response length, and response code.
TSS2_ESYS_RC_RSP_AUTH_FAILED if the response HMAC from the TPM did not
verify.
TSS2_ESYS_RC_MALFORMED_RESPONSE if the TPM's response is corrupted.
TSS2_RCs produced by lower layers of the software stack may be returned
to the caller unaltered unless handled internally.
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