On 24/04/2020 09:09, Samuli Seppänen wrote: > Il 24/04/20 00:15, Simon Deziel ha scritto: >> On 2020-04-23 5:08 p.m., David Sommerseth wrote: >>> On 23/04/2020 22:30, Simon Deziel wrote: >>>> On 2020-04-23 3:55 p.m., David Sommerseth wrote: >>>>> On 23/04/2020 19:55, Simon Deziel wrote: >>>>>> On 2020-04-21 1:41 p.m., David Sommerseth wrote: >>>>>>> On 21/04/2020 18:32, Simon Deziel wrote: >>>>>>>> Hello, >>>>>>>> >>>>>>>> I cannot validate the Windows exe files [1] and [2] using the key >>>>>>>> advertised in [3]. >>>>>>>> >>>>>>>> $ gpg --verify openvpn-install-2.4.9-I601-Win7.exe.asc >>>>>>>> gpg: assuming signed data in 'openvpn-install-2.4.9-I601-Win7.exe' >>>>>>>> gpg: Signature made Fri 17 Apr 2020 07:25:11 AM EDT >>>>>>>> gpg: using RSA key >>>>>>>> 333D46306CF9D9F1F630DB8D96AEC408005D6BB4 >>>>>>>> gpg: Can't check signature: No public key >>>>>>>> >>>>>>>> $ gpg --verify openvpn-install-2.4.9-I601-Win10.exe.asc >>>>>>>> gpg: assuming signed data in 'openvpn-install-2.4.9-I601-Win10.exe' >>>>>>>> gpg: Signature made Fri 17 Apr 2020 07:25:00 AM EDT >>>>>>>> gpg: using RSA key >>>>>>>> 333D46306CF9D9F1F630DB8D96AEC408005D6BB4 >>>>>>>> gpg: Can't check signature: No public key >>>>>>>> >>>>>>>> >>>>>>>> $ gpg --list-keys F554A3687412CFFEBDEFE0A312F5F7B42F2B01E7 >>>>>>>> pub rsa4096/0x12F5F7B42F2B01E7 2017-02-09 [SC] [expires: 2027-02-07] >>>>>>>> Key fingerprint = F554 A368 7412 CFFE BDEF E0A3 12F5 F7B4 2F2B >>>>>>>> 01E7 >>>>>>>> uid [ unknown] OpenVPN - Security Mailing List >>>>>>>> <secur...@openvpn.net> >>>>>>>> >>>>>>>> >>>>>>>> Did I download the right files? >>>>>>>> >>>>>>>> $ sha256sum openvpn-install-2.4.9-I601-Win* >>>>>>>> 4f95a674c3ffafd85062df995a182cfb57ca56d96084472a48a65c546c815f0c >>>>>>>> openvpn-install-2.4.9-I601-Win10.exe >>>>>>>> 340a6b917c5358a18e4ed283669e8d59073720184dba2d1f2965512c9cac18ad >>>>>>>> openvpn-install-2.4.9-I601-Win10.exe.asc >>>>>>>> 495754e6f3e40a056b947d496729f3ba78aaf0458d80ff08991c27bddf386139 >>>>>>>> openvpn-install-2.4.9-I601-Win7.exe >>>>>>>> b15e4b34756446589cc609d5d08fe5daba98c34463135b7abfab1538722c4c4e >>>>>>>> openvpn-install-2.4.9-I601-Win7.exe.asc >>>>>>> >>>>>>> >>>>>>> Try refreshing the PGP keys. We pushed out new keys in early March, >>>>>>> but seems >>>>>>> the web page was not updated. >>>>>>> >>>>>>> $ gpg --refresh-keys F554A3687412CFFEBDEFE0A312F5F7B42F2B01E7 >>>>>>> >>>>>>> This should do the proper key update and the verification should work >>>>>>> just >>>>>>> fine. We always publish the security public key to key servers >>>>>>> whenever they >>>>>>> are updated. >>>>>> >>>>>> I tried all the above and even did so in a fresh container. The subkey >>>>>> 333D46306CF9D9F1F630DB8D96AEC408005D6BB4 simply not there: >>>>>> >>>>> >>>>> This is really weird. From my own test: >>>>> >>>>> [user@host ~]$ gpg --list-keys | wc -l >>>>> 0 >>>>> [user@host ~]$ gpg --recv-key F554A3687412CFFEBDEFE0A312F5F7B42F2B01E7 >>>>> >>>>> >>>>> gpg: requesting key 2F2B01E7 from hkp server keys.gnupg.net >>>> >>>> Indeed, pulling from that key server picked the 'new' subkey. >>>> >>>>> gpg: key 2F2B01E7: public key "OpenVPN - Security Mailing List >>>>> <secur...@openvpn.net>" imported >>>>> gpg: no ultimately trusted keys found >>>>> gpg: Total number processed: 1 >>>>> gpg: imported: 1 (RSA: 1) >>>>> [user@host ~]$ gpg --edit F554A3687412CFFEBDEFE0A312F5F7B42F2B01E7 >>>>> gpg (GnuPG) 2.0.22; Copyright (C) 2013 Free Software Foundation, Inc. >>>>> This is free software: you are free to change and redistribute it. >>>>> There is NO WARRANTY, to the extent permitted by law. >>>>> >>>>> >>>>> pub 4096R/2F2B01E7 created: 2017-02-09 expires: 2027-02-07 usage: SC >>>>> trust: unknown validity: unknown >>>>> The following key was revoked on 2019-02-04 by RSA key 2F2B01E7 OpenVPN - >>>>> Security Mailing List <secur...@openvpn.net> >>>>> sub 4096R/F6D9F8D7 created: 2017-02-09 revoked: 2019-02-04 usage: E >>>>> The following key was revoked on 2019-02-04 by RSA key 2F2B01E7 OpenVPN - >>>>> Security Mailing List <secur...@openvpn.net> >>>>> sub 4096R/8CC2B034 created: 2017-02-09 revoked: 2019-02-04 usage: S >>>>> sub 4096R/AF131CAE created: 2018-03-07 expired: 2019-03-07 usage: S >>>>> sub 4096R/907F94CF created: 2018-03-07 expired: 2019-03-07 usage: E >>>>> sub 4096R/5ACFEAC6 created: 2019-02-04 expired: 2020-03-09 usage: S >>>>> sub 4096R/3FEA78DB created: 2019-02-04 expired: 2020-03-09 usage: E >>>>> sub 4096R/005D6BB4 created: 2020-02-21 expires: 2021-03-05 usage: S >>>>> <<<<< The key which is used >>>>> sub 4096R/5EABA192 created: 2020-02-21 expires: 2021-03-05 usage: E >>>>> [ unknown] (1). OpenVPN - Security Mailing List <secur...@openvpn.net> >>>>> >>>>> >>>>> Which key server do you try to fetch from? Might be we need to do >>>>> some additional pushes to some servers. >>>> >>>> Stock default Ubuntu pulls from hkps://keys.openpgp.org which doesn't >>>> have the new subkey. >>> >>> Alright, I just re-pushed to that server again explicitly. And now it >>> seems it worked better. >> >> Thank you! I guess the only remaining thing to do would be to update the >> key from the web site. >> > > My proposal to actually _remove_ the key from the website and to rely on > the keyservers instead apparently got lost. Why do we even publish the > key on our webserver? Afaics it is there because "it always used to be". > Or is there some reason I cannot remember?
Whatever the reason is, if having a downloadable version of the key is important we can rather just point at the key servers directly. Antonio pointed at one possible URL earlier in this thread. > We already document how to refresh the key, so all we'd need to add is > how to get the key initially: > > <https://openvpn.net/community-resources/sig/> Now we also use the same signing key for packages as the secur...@openvpn.net report address. We should probably evaluate better ways to handle signing of packages and use a different signing key. Like we do have the openvpn3 Debian/Ubuntu packages [1]. That key can definitely have a longer rotation cycle than the security list key. On the other hand - short life cycle of keys ensure we have regular discussions about these keys and their usage ;-) -- kind regards, David Sommerseth OpenVPN Inc
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