[tahoe-dev] usage of key file or smart card?

[David-Sarah Hopwood]

David-Sarah Hopwood wrote:
> Kevin Reid wrote:
>> Encryption with a generated keypair is used, by definition, for  
>> mutable files -- the read-cap contains the public key, and the write- 
>> cap contains the private key.
> 
> Note that it's a signature keypair, not an encryption keypair.
> The encryption uses a symmetric key derived from the public key and an
> encrypted salt. If you know that key, then you aren't prevented from
> encrypting with it, but you are unable to sign a new version of the file
> that will be accepted by other readers.

I meant:
  If you know the symmetric key, then you aren't prevented from encrypting
  with it, but without the private key you are unable to sign a new version
  of the file that will be accepted by other readers.

-- 
David-Sarah Hopwood  ⚥  http://davidsarah.livejournal.com

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