Esys_Hash - The ESAPI function for the TPM2_Hash command.
TSS2_RC Esys_Hash_Finish (ESYS_CONTEXT *esysContext,
TPM2B_DIGEST **outHash, TPMT_TK_HASHCHECK **validation)
ESAPI function to invoke the TPM2_Hash command either as a
one-call or in an asynchronous manner.
Asynchronous finish function for TPM2_Hash
This function returns the results of a TPM2_Hash command invoked
via Esys_Hash_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.
outHash Results. (callee-allocated)
validation TPM2_Ticket indicating that the sequence of octets used to
compute outDigest did not start with TPM2_GENERATED_VALUE.
(callee-allocated)
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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