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CIRCLE WITH A DOT

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  3. Well isn't learning how to run your own CA a lot of fun?

Well isn't learning how to run your own CA a lot of fun?

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  • greenskyoverme@ohai.socialG greenskyoverme@ohai.social

    @neil What is a CA?

    neil@mastodon.neilzone.co.ukN This user is from outside of this forum
    neil@mastodon.neilzone.co.ukN This user is from outside of this forum
    neil@mastodon.neilzone.co.uk
    wrote last edited by
    #10

    @GreenSkyOverMe Certificate Authority

    greenskyoverme@ohai.socialG 1 Reply Last reply
    0
    • neil@mastodon.neilzone.co.ukN neil@mastodon.neilzone.co.uk

      Well isn't learning how to run your own CA a lot of fun?

      And by "fun", I mean "debugging".

      And by "a lot", I mean "a looooooooooot".

      I am making progress, today around SAN and Firefox, but this is a bit like plodding around in treacle.

      (I'm not looking for advice, although sympathy is welcome :))

      seabass@social.seabass.systemsS This user is from outside of this forum
      seabass@social.seabass.systemsS This user is from outside of this forum
      seabass@social.seabass.systems
      wrote last edited by
      #11

      @neil I look forward to the blog post for this one! Sounds like a more challenging project than usual.

      1 Reply Last reply
      0
      • neil@mastodon.neilzone.co.ukN neil@mastodon.neilzone.co.uk

        Well isn't learning how to run your own CA a lot of fun?

        And by "fun", I mean "debugging".

        And by "a lot", I mean "a looooooooooot".

        I am making progress, today around SAN and Firefox, but this is a bit like plodding around in treacle.

        (I'm not looking for advice, although sympathy is welcome :))

        justine@snac.smithies.me.ukJ This user is from outside of this forum
        justine@snac.smithies.me.ukJ This user is from outside of this forum
        justine@snac.smithies.me.uk
        wrote last edited by
        #12
        Sending my deepest sympathies to you at these trying times. But letting you know that things will get better.
        1 Reply Last reply
        0
        • matthewcroughan@social.defenestrate.itM matthewcroughan@social.defenestrate.it
          How come you're bothering to do it?
          neil@mastodon.neilzone.co.ukN This user is from outside of this forum
          neil@mastodon.neilzone.co.ukN This user is from outside of this forum
          neil@mastodon.neilzone.co.uk
          wrote last edited by
          #13

          @matthewcroughan

          There are some services that I run where I would like TLS, would prefer not to expose them to the Internet, am not keen on moving around Let's Encrypt cert, and would prefer them to be trusted certificates rather than self-signed certificates, to work better on mobile devices.

          Also, a fun learning exercise.

          1 Reply Last reply
          0
          • neil@mastodon.neilzone.co.ukN neil@mastodon.neilzone.co.uk

            @GreenSkyOverMe Certificate Authority

            greenskyoverme@ohai.socialG This user is from outside of this forum
            greenskyoverme@ohai.socialG This user is from outside of this forum
            greenskyoverme@ohai.social
            wrote last edited by
            #14

            @neil thx

            1 Reply Last reply
            0
            • prsfalken@mastodon.socialP prsfalken@mastodon.social

              @GreenSkyOverMe @neil Something you usually don't selfhost and if you do ... Avoid to mess with

              XD

              (Certificate authority, if I'm not mistaken)

              greenskyoverme@ohai.socialG This user is from outside of this forum
              greenskyoverme@ohai.socialG This user is from outside of this forum
              greenskyoverme@ohai.social
              wrote last edited by
              #15

              @prsfalken thx

              1 Reply Last reply
              0
              • neil@mastodon.neilzone.co.ukN neil@mastodon.neilzone.co.uk

                Well isn't learning how to run your own CA a lot of fun?

                And by "fun", I mean "debugging".

                And by "a lot", I mean "a looooooooooot".

                I am making progress, today around SAN and Firefox, but this is a bit like plodding around in treacle.

                (I'm not looking for advice, although sympathy is welcome :))

                colinthemathmo@mathstodon.xyzC This user is from outside of this forum
                colinthemathmo@mathstodon.xyzC This user is from outside of this forum
                colinthemathmo@mathstodon.xyz
                wrote last edited by
                #16

                @neil Two things:

                (a) What's a "CA" in this context?

                (b) *Sympathy*

                neil@mastodon.neilzone.co.ukN 1 Reply Last reply
                0
                • colinthemathmo@mathstodon.xyzC colinthemathmo@mathstodon.xyz

                  @neil Two things:

                  (a) What's a "CA" in this context?

                  (b) *Sympathy*

                  neil@mastodon.neilzone.co.ukN This user is from outside of this forum
                  neil@mastodon.neilzone.co.ukN This user is from outside of this forum
                  neil@mastodon.neilzone.co.uk
                  wrote last edited by
                  #17

                  @ColinTheMathmo Certificate Authority

                  1 Reply Last reply
                  0
                  • neil@mastodon.neilzone.co.ukN neil@mastodon.neilzone.co.uk

                    Well isn't learning how to run your own CA a lot of fun?

                    And by "fun", I mean "debugging".

                    And by "a lot", I mean "a looooooooooot".

                    I am making progress, today around SAN and Firefox, but this is a bit like plodding around in treacle.

                    (I'm not looking for advice, although sympathy is welcome :))

                    bencurthoys@mastodon.socialB This user is from outside of this forum
                    bencurthoys@mastodon.socialB This user is from outside of this forum
                    bencurthoys@mastodon.social
                    wrote last edited by
                    #18

                    @neil The best part about debugging anything to do with certificates or encryption or security is that any useful debugging information is a security leak... so you don't get any. Either it works, or it doesn't work and it refuses to tell you why.

                    Sometimes it's mathematically impossible for it to tell you why. Once I lost more than a day working out why, when I hashed a string, I got a different hash value than was expected, when my hash function returned the same expected value on test data.

                    bencurthoys@mastodon.socialB 1 Reply Last reply
                    0
                    • bencurthoys@mastodon.socialB bencurthoys@mastodon.social

                      @neil The best part about debugging anything to do with certificates or encryption or security is that any useful debugging information is a security leak... so you don't get any. Either it works, or it doesn't work and it refuses to tell you why.

                      Sometimes it's mathematically impossible for it to tell you why. Once I lost more than a day working out why, when I hashed a string, I got a different hash value than was expected, when my hash function returned the same expected value on test data.

                      bencurthoys@mastodon.socialB This user is from outside of this forum
                      bencurthoys@mastodon.socialB This user is from outside of this forum
                      bencurthoys@mastodon.social
                      wrote last edited by
                      #19

                      @neil The answer, it turns out, is that the string was being built from a GUID, and their platform serialised the GUID with lowercase hex and mine with uppercase hex, and your eye doesn't notice the case of the letters when looking at hex values, so I couldn't see that they were different.

                      bencurthoys@mastodon.socialB 1 Reply Last reply
                      0
                      • bencurthoys@mastodon.socialB bencurthoys@mastodon.social

                        @neil The answer, it turns out, is that the string was being built from a GUID, and their platform serialised the GUID with lowercase hex and mine with uppercase hex, and your eye doesn't notice the case of the letters when looking at hex values, so I couldn't see that they were different.

                        bencurthoys@mastodon.socialB This user is from outside of this forum
                        bencurthoys@mastodon.socialB This user is from outside of this forum
                        bencurthoys@mastodon.social
                        wrote last edited by
                        #20

                        @neil So. Sympathy.

                        1 Reply Last reply
                        0
                        • neil@mastodon.neilzone.co.ukN neil@mastodon.neilzone.co.uk

                          Well isn't learning how to run your own CA a lot of fun?

                          And by "fun", I mean "debugging".

                          And by "a lot", I mean "a looooooooooot".

                          I am making progress, today around SAN and Firefox, but this is a bit like plodding around in treacle.

                          (I'm not looking for advice, although sympathy is welcome :))

                          neil@mastodon.neilzone.co.ukN This user is from outside of this forum
                          neil@mastodon.neilzone.co.ukN This user is from outside of this forum
                          neil@mastodon.neilzone.co.uk
                          wrote last edited by
                          #21

                          You can expect a riveting blogpost in due course.

                          And by "riveting", I mean "utterly tedious and unnecessary unless you, too, have the misfortune to want to run your own certificate authority".

                          gary_alderson@infosec.exchangeG hannes@social.coopH brunogirin@mastodon.me.ukB 3 Replies Last reply
                          0
                          • neil@mastodon.neilzone.co.ukN neil@mastodon.neilzone.co.uk

                            You can expect a riveting blogpost in due course.

                            And by "riveting", I mean "utterly tedious and unnecessary unless you, too, have the misfortune to want to run your own certificate authority".

                            gary_alderson@infosec.exchangeG This user is from outside of this forum
                            gary_alderson@infosec.exchangeG This user is from outside of this forum
                            gary_alderson@infosec.exchange
                            wrote last edited by
                            #22

                            @neil i have it pinned in my calendar

                            1 Reply Last reply
                            0
                            • neil@mastodon.neilzone.co.ukN neil@mastodon.neilzone.co.uk

                              Well isn't learning how to run your own CA a lot of fun?

                              And by "fun", I mean "debugging".

                              And by "a lot", I mean "a looooooooooot".

                              I am making progress, today around SAN and Firefox, but this is a bit like plodding around in treacle.

                              (I'm not looking for advice, although sympathy is welcome :))

                              kate@social.treehouse.systemsK This user is from outside of this forum
                              kate@social.treehouse.systemsK This user is from outside of this forum
                              kate@social.treehouse.systems
                              wrote last edited by
                              #23

                              @neil been there, done that. there are more fun things in life.

                              1 Reply Last reply
                              0
                              • neil@mastodon.neilzone.co.ukN neil@mastodon.neilzone.co.uk

                                You can expect a riveting blogpost in due course.

                                And by "riveting", I mean "utterly tedious and unnecessary unless you, too, have the misfortune to want to run your own certificate authority".

                                hannes@social.coopH This user is from outside of this forum
                                hannes@social.coopH This user is from outside of this forum
                                hannes@social.coop
                                wrote last edited by
                                #24

                                @neil are you using openssl command line or some scripts/tooling on top of it?

                                neil@mastodon.neilzone.co.ukN 1 Reply Last reply
                                0
                                • hannes@social.coopH hannes@social.coop

                                  @neil are you using openssl command line or some scripts/tooling on top of it?

                                  neil@mastodon.neilzone.co.ukN This user is from outside of this forum
                                  neil@mastodon.neilzone.co.ukN This user is from outside of this forum
                                  neil@mastodon.neilzone.co.uk
                                  wrote last edited by
                                  #25

                                  @hannes openssl

                                  1 Reply Last reply
                                  0
                                  • neil@mastodon.neilzone.co.ukN neil@mastodon.neilzone.co.uk

                                    You can expect a riveting blogpost in due course.

                                    And by "riveting", I mean "utterly tedious and unnecessary unless you, too, have the misfortune to want to run your own certificate authority".

                                    brunogirin@mastodon.me.ukB This user is from outside of this forum
                                    brunogirin@mastodon.me.ukB This user is from outside of this forum
                                    brunogirin@mastodon.me.uk
                                    wrote last edited by
                                    #26

                                    @neil I am so looking forward to it!

                                    1 Reply Last reply
                                    0
                                    • neil@mastodon.neilzone.co.ukN neil@mastodon.neilzone.co.uk

                                      Well isn't learning how to run your own CA a lot of fun?

                                      And by "fun", I mean "debugging".

                                      And by "a lot", I mean "a looooooooooot".

                                      I am making progress, today around SAN and Firefox, but this is a bit like plodding around in treacle.

                                      (I'm not looking for advice, although sympathy is welcome :))

                                      matus_chochlik@mastodon.onlineM This user is from outside of this forum
                                      matus_chochlik@mastodon.onlineM This user is from outside of this forum
                                      matus_chochlik@mastodon.online
                                      wrote last edited by
                                      #27

                                      @neil 10 years ago I worked on a project implementing PKI including CA, time-stamping, document signers, browser plugins and an installer of all the SW for universities in Slovakia.

                                      You have my sympathies:P

                                      1 Reply Last reply
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