In message <1479829450.2376.10.ca...@hansenpartnership.com> on Tue, 22 Nov 2016 07:44:10 -0800, James Bottomley <james.bottom...@hansenpartnership.com> said:
James.Bottomley> On Tue, 2016-11-22 at 16:32 +0100, Richard Levitte wrote: James.Bottomley> > In message <1479815862.8937.22.ca...@infradead.org> on Tue, 22 Nov James.Bottomley> > 2016 11:57:42 +0000, David Woodhouse <dw...@infradead.org> said: James.Bottomley> > James.Bottomley> > dwmw2> Besides, it requires files in the form described by the James.Bottomley> > Portable Data James.Bottomley> > dwmw2> section of the TSS (1.2) spec. That's a SEQUENCE with a blob James.Bottomley> > type James.Bottomley> > dwmw2> (which is mostly redundant as in this case we're always James.Bottomley> > talking about James.Bottomley> > dwmw2> key blobs), the blob length (which is entirely redundant) and James.Bottomley> > then the James.Bottomley> > dwmw2> actual blob as an OCTET STRING. I don't know of any tool which James.Bottomley> > actually James.Bottomley> > dwmw2> creates such files. James.Bottomley> > James.Bottomley> > I'm just having a look at the spec (page 151 in James.Bottomley> > http://www.trustedcomputinggroup.org/wp-content/uploads/TSS_1_2_Errat James.Bottomley> > a_A-final.pdf), and am a bit confused by the TssBlobType type. Which James.Bottomley> > is it in practice, an ENUMERATED or an INTEGER? James.Bottomley> James.Bottomley> It's actually here: James.Bottomley> James.Bottomley> http://trustedcomputinggroup.org/wp-content/uploads/TPM-Main-Part-2-TPM-Structures_v1.2_rev116_01032011.pdf James.Bottomley> James.Bottomley> It's around page 101, section 10.3 the TPM_KEY12 structure. That tells James.Bottomley> you what to encrypt and how to construct the encrypted part of the James.Bottomley> blob. It refers to other structures, so you end up doing a bit of a James.Bottomley> pointer chase through the document. I'm sorry, I have obviously had you a bit confused. What I'm currently interested in is decoding the content of a 'TSS KEY BLOB' PEM file, and I assume that's a TssBlob type, yeah? Cheers, Richard -- Richard Levitte levi...@openssl.org OpenSSL Project http://www.openssl.org/~levitte/ -- openssl-dev mailing list To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-dev
