NAME

       Esys_GetCommandAuditDigest - The ESAPI function for the TPM2_GetCommandAuditDigest
       command.

SYNOPSIS

   Functions
       TSS2_RC Esys_GetCommandAuditDigest_Async (ESYS_CONTEXT *esysContext, ESYS_TR
           privacyHandle, ESYS_TR signHandle, ESYS_TR shandle1, ESYS_TR shandle2, ESYS_TR
           shandle3, const TPM2B_DATA *qualifyingData, const TPMT_SIG_SCHEME *inScheme)
       TSS2_RC Esys_GetCommandAuditDigest (ESYS_CONTEXT *esysContext, ESYS_TR privacyHandle,
           ESYS_TR signHandle, ESYS_TR shandle1, ESYS_TR shandle2, ESYS_TR shandle3, const
           TPM2B_DATA *qualifyingData, const TPMT_SIG_SCHEME *inScheme, TPM2B_ATTEST **auditInfo,
           TPMT_SIGNATURE **signature)
       TSS2_RC Esys_GetCommandAuditDigest_Finish (ESYS_CONTEXT *esysContext, TPM2B_ATTEST
           **auditInfo, TPMT_SIGNATURE **signature)

Detailed Description

       ESAPI function to invoke the TPM2_GetCommandAuditDigest command either as a one-call or in
       an asynchronous manner.

Function Documentation

   TSS2_RC Esys_GetCommandAuditDigest (ESYS_CONTEXT * esysContext, ESYS_TR privacyHandle, ESYS_TR
       signHandle, ESYS_TR shandle1, ESYS_TR shandle2, ESYS_TR shandle3, const TPM2B_DATA *
       qualifyingData, const TPMT_SIG_SCHEME * inScheme, TPM2B_ATTEST ** auditInfo,
       TPMT_SIGNATURE ** signature)
       One-Call function for TPM2_GetCommandAuditDigest

       This function invokes the TPM2_GetCommandAuditDigest 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.
           privacyHandle TPM2_Handle of the privacy administrator (TPM2_RH_ENDORSEMENT).
           signHandle The handle of the signing key.
           shandle1 Session handle for authorization of privacyHandle
           shandle2 Session handle for authorization of signHandle
           shandle3 Third session handle.
           qualifyingData Other data to associate with this audit digest.
           inScheme TPM2_Signing scheme to use if the scheme for signHandle is TPM2_ALG_NULL.
           auditInfo The auditInfo that was signed. (callee-allocated)
           signature The signature over auditInfo. (callee-allocated)

       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_ESYS_RC_MULTIPLE_DECRYPT_SESSIONS if more than one session has the 'decrypt'
           attribute bit set.
           TSS2_ESYS_RC_MULTIPLE_ENCRYPT_SESSIONS if more than one session has the 'encrypt'
           attribute bit set.
           TSS2_ESYS_RC_BAD_TR if any of the ESYS_TR objects are unknown to the ESYS_CONTEXT or
           are of the wrong type or if required ESYS_TR objects are ESYS_TR_NONE.
           TSS2_RCs produced by lower layers of the software stack may be returned to the caller
           unaltered unless handled internally.

   TSS2_RC Esys_GetCommandAuditDigest_Async (ESYS_CONTEXT * esysContext, ESYS_TR privacyHandle,
       ESYS_TR signHandle, ESYS_TR shandle1, ESYS_TR shandle2, ESYS_TR shandle3, const TPM2B_DATA
       * qualifyingData, const TPMT_SIG_SCHEME * inScheme)
       Asynchronous function for TPM2_GetCommandAuditDigest

       This function invokes the TPM2_GetCommandAuditDigest 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_GetCommandAuditDigest_Finish.

       Parameters
           esysContext The ESYS_CONTEXT.
           privacyHandle TPM2_Handle of the privacy administrator (TPM2_RH_ENDORSEMENT).
           signHandle The handle of the signing key.
           shandle1 Session handle for authorization of privacyHandle
           shandle2 Session handle for authorization of signHandle
           shandle3 Third session handle.
           qualifyingData Other data to associate with this audit digest.
           inScheme TPM2_Signing scheme to use if the scheme for signHandle is TPM2_ALG_NULL.

       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.
           TSS2_ESYS_RC_MULTIPLE_DECRYPT_SESSIONS if more than one session has the 'decrypt'
           attribute bit set.
           TSS2_ESYS_RC_MULTIPLE_ENCRYPT_SESSIONS if more than one session has the 'encrypt'
           attribute bit set.
           TSS2_ESYS_RC_BAD_TR if any of the ESYS_TR objects are unknown to the ESYS_CONTEXT or
           are of the wrong type or if required ESYS_TR objects are ESYS_TR_NONE.

   TSS2_RC Esys_GetCommandAuditDigest_Finish (ESYS_CONTEXT * esysContext, TPM2B_ATTEST **
       auditInfo, TPMT_SIGNATURE ** signature)
       Asynchronous finish function for TPM2_GetCommandAuditDigest

       This function returns the results of a TPM2_GetCommandAuditDigest command invoked via
       Esys_GetCommandAuditDigest_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.
           auditInfo The auditInfo that was signed. (callee-allocated)
           signature The signature over auditInfo. (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.

Author

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