Impact of ROCA (CVE-2017-15361) in subkey vs. private key?

2017-10-29 Thread Shannon C
I am wondering if anyone here can definitively say whether the ROCA vulnerability (CVE-2017-15361) described here https://crocs.fi.muni.cz/public/papers/rsa_ccs17 when it occurs in a subkey will make the private key vulnerable? I can't find anyone talking about this particular issue. Assuming that

Re: GnuPG public key vulnerability?

2017-11-02 Thread Shannon C
> > so at Facebook, we checked > the public keys that have been uploaded to people's profiles, and notified > people whose keys are affected Jon, FYI your detection logic seems a bit overzealous, because (last time I checked) it detects revoked ROCA-vulnerable subkeys as making the whole public