Re: [tpmdd-devel] Problems with TPM sealdata utililtiy and openssl TPM engine utility

[Kylene Jo H. <kj...@us...>]

The trousers and tpm-tools cvs repositories have been updated with the
fixes.  Updating both sources, make, make install and all should work.
Please let us know if you have other troubles.

Thanks,
Kylie

On Wed, 2005-11-09 at 12:06 +0000, din...@bt... wrote:
> Hello 
> 
> This is regarding some queries on issues with tpm sealdata and OpenSSL
> tpm engine utilities. We are having some problems using these at the
> same time. Detailed description is as following,
> 
> I am describing two scenarios bellow,
> 
> Scenario 1: [ where tpm_sealdata works and create_tpm_key does not work]
> 
> When owner and srk password set using tpm-tools tpm_takeownership (Also
> note that the srk is set to NULL)
> 
> # ./create_tpm_key KeyFile.key  (THROWS ERROR)
> create_tpm_key.c:276 Tspi_Key_CreateKey result: 0x1
> 
> The tpm_sealdata works fine at this stage.
> ------------------------------------------------------------------------
> --------------------------------------------
> 
> Scenario 2: [ where create_tpm_key works and  tpm_sealdata does not
> work]
> 
> After setting ownership pwd and srk pwd (srk = NULL) When srk password
> is changed using tpm_changeownerauth -s and set to NULL again 
> 
> # ./tpm_sealdata -i test.txt -o test.txt.o (THROWS ERROR)
> Tspi_Key_CreateKey failed: 0x00000001 - layer=tpm, code=0001 (1),
> Authentication failed
> 
> At this time the create_tpm_key works fine.
> 
> ------------------------------------------------------------------------
> --------------------------------------------
> 
> We are not able to use these utilities at the same time and was
> wondering what could be the reason.  It will be a great help if anyone
> can give some information or even pointers to where exactly are the SRK
> password set, Where do they check the srk authentication.
> 
> I hope am clear. Please let me know if you need further classification.
> 
> Many thanks,
> Dinesh
> 
> 
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