What does this error mean when calling Tspi_Data_Unseal:
"PCR information uninterpretable"

Background:
 
I am calling Tspi_Data_Seal and specifying a composite PCR with a single
PCR index specified and a non-migratable key. 

After the seal succeeds, I save the encrypted data blob 
(TSS_TSPATTRIB_ENCDATA_BLOB)
to a file.   Later I load the same key and load the saved enc data blob from
the file into a new ENCDATA object.

However, when I call Tspi_Data_Unseal, I get the error above.  I thought 
the
PCR information was encoded in the encdata blob, but apparently I am 
still missing
some critical bit of PCR data.  Any help here would be appreciated.

thanks,
   Wyllys Ingersoll




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