Re: [Trustedjava-support] Legacy keys

[Ronald T. <ron...@ia...>]

Hi Federico,

You're right, the TPM spec does allow binding and unbinding with legacy 
keys.
Yet, the JSR321 API specification does not. Actually the functionality 
did not occur to the
JSR321 expert group at the time of writing the spec.. :-/

Feel free to add the functionality to your Binder implementation.

Ronald


On 11/06/2012 01:17 PM, Fed...@ff... wrote:
> Hei,
> According to the JSR321 documentation, Legacy keys are the only one that can perform both signing and encryption. I can see that the Signer object also has a method that accepts legacy keys, but what about encryption? Should I use an external library to do that? And if so, how do I decrypt the data with the private key, if only the TPM has access to it? I thought of the Binder and RemoteBinder objects, which are the only ones that have to do with encryption, but they do not accept Legacy keys.
> Any tips?
>
> Thanks!
>
> Federico
>
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-- 
Dipl.-Ing. Ronald Tögl          phone +43 316/873-5502
Secure and Correct Systems      fax   +43 316/873-5520
IAIK                            ron...@ia...
Graz University of Technology   http://www.iaik.tugraz.at