You need to first find or create your endorsement credential, and put it in a 
file. Then you need to edit /usr/local/etc/tcsd.conf and change the line

# endorsement_cred =

to remove the # and add the file name where you put the credential. Then 
restart tcsd and now you should get the credential included in that struct.

Hal

On Aug 5, 2010, at 8:36 AM, chloĆ© Fouquet <[email protected]> wrote:

> Hi,
> I would like to create an AIK for my tpm so I used the method: 
> Tspi_TPM_CollateIdentityRequest(hTPM, hSRK, hCAKey, labelLen, 
> rgbIdentityLabelData, hIdentKey, tssSymAlg,      
> &ulIdentityReqBlobLen,&identityReqBlob);
> 
> But when I decrypt the symetric part of the identityReq and unload it (using 
> TestSuite_UnloadBlob_IDENTITY_PROOF(&offset, utilityBlob, &identityProof) ) I 
> have no endorsementCredential part in my TCPA_IDENTITY_PROOF structure...
> Is that normal ? How a verifier could know the public endorsement key in that 
> case in order to send a credential back decrypt by the method 
> Tspi_TPM_ActivateIdentity(hTPM, hIdentKey, b.asymBlobSize, b.asymBlob, 
> b.symBlobSize, b.symBlob, &credLen, &cred);
> 
> Thanks for looking
> 
> Chloe
>  
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