I thought there were examples in "A Practical Guide to Trusted Computing"
by D. Challener, et. al (ISBN 978-0132398428). Also there is a Programming
with TrouSerS tutorial from Trusted Infrastructure Workshop available
online: www.cylab.cmu.edu/tiw/slides/challener-handout.pdf. It has
bind/unbind examples.
-- per aspera ad astra --
On Wed, Jul 17, 2013 at 5:36 PM, Shu Zhang <[email protected]> wrote:
> Thank you, Olga.
>
> Is there any *working* sample code for binding and unbinding data in
> TPM? I've looked for a while but haven't got any luck so far.
>
> Shu
>
> On Wed, Jul 17, 2013 at 5:55 AM, Olga Chen <[email protected]> wrote:
> > That should work. The whole point of using a binding key is that the data
> > can be encrypted outside the TPM, but decrypted inside.
> >
> > -- per aspera ad astra --
> >
> >
> > On Tue, Jul 16, 2013 at 9:10 PM, Shu Zhang <[email protected]>
> wrote:
> >>
> >> Hello trousers users,
> >>
> >> I'd like to send a secret securely from a server to a client with TPM
> >> and make sure only the client with the TPM can get the secret. I
> >> wonder if something like this would work:
> >>
> >> 1. generate and register an RSA key pair on the client's TPM, copy its
> >> UUID as well as its public key to the server
> >>
> >> 2. when the connection between the client and server is established,
> >> the server encrypts the secret using the TPM public key, sends the
> >> encrypted secret and the UUID of the TPM key to the client
> >>
> >> 3. the client's TPM loads the TPM key using the UUID and unbinds the
> >> encrypted secret
> >>
> >> I understand Tspi_Data_Unbind can unbind data encrypted with
> >> Tspi_Data_Bind using the same key, but would it also work with data
> >> encrypted outside TPM? I'm guessing if the same decryption algorithm
> >> is used as the encryption, then it would, but I don't know much about
> >> RSA.
> >>
> >> Thank you.
> >>
> >> Shu
> >>
> >>
> >>
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> >
>
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