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Re: Regal eagle / American cloud

From "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com>
Newsgroups comp.lang.c++
Subject Re: Regal eagle / American cloud
Date 2020-02-28 23:38 -0800
Organization Aioe.org NNTP Server
Message-ID <r3d4ds$816$1@gioia.aioe.org> (permalink)
References (5 earlier) <W9l6G.466483$Uz.342441@fx32.am4> <r3ct34$18p9$1@gioia.aioe.org> <fwn6G.54127$_h7.15094@fx13.ams1> <r3d0kv$1nc1$1@gioia.aioe.org> <DRn6G.1466760$GFe.1466664@fx12.am4>

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On 2/28/2020 10:51 PM, Melzzzzz wrote:
> On 2020-02-29, Chris M. Thomasson <chris.m.thomasson.1@gmail.com> wrote:
>> On 2/28/2020 10:28 PM, Mr Flibble wrote:
>>> On 29/02/2020 05:33, Chris M. Thomasson wrote:
>>>> On 2/28/2020 7:48 PM, Melzzzzz wrote:
>>>>> On 2020-02-29, woodbrian77@gmail.com <woodbrian77@gmail.com> wrote:
>>>>>> On Friday, February 28, 2020 at 5:37:35 PM UTC-6, Chris M. Thomasson
>>>>>> wrote:
>>>>>>> On 2/27/2020 8:19 PM, woodbrian77@gmail.com wrote:
>>>>>>>> On Sunday, February 9, 2020 at 2:54:28 PM UTC-6, Chris M.
>>>>>>>> Thomasson wrote:
>>>>>>>>> On 10/30/2019 9:58 AM, woodbrian77@gmail.com wrote:
>>>>>>>>>>                                                       Shalom
>>>>>>>>>>
>>>>>>>>>> Can you give me some suggestions on how to improve my
>>>>>>>>>> repo: https://github.com/Ebenezer-group/onwards
>>>>>>>>>> ?
>>>>>>>>>>
>>>>>>>>>> What do you think of recent changes to this file?
>>>>>>>>>> https://github.com/Ebenezer-group/onwards/blob/master/src/cmw/tiers/cmwA.cc
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> and a version from the end of September:
>>>>>>>>>> https://github.com/Ebenezer-group/onwards/blob/9bc4c2646e7dc6421dfdcd9d1107d544c320a13a/src/cmw/tiers/cmwA.cc
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> The number of lines hasn't changed much, but the size of the
>>>>>>>>>> event loop, the most complicated part of the program, has been
>>>>>>>>>> reduced by switching from TCP to SCTP.  Thanks in advance.
>>>>>>>>>
>>>>>>>>> Iirc, you require a user to "register" by sending you an email with
>>>>>>>>> their password in the clear?
>>>>>>>>
>>>>>>>> I plan to use Wireguard for encryption so it
>>>>>>>> could be done after we have that set up.
>>>>>
>>>>> sending passwords over mail is highly unsecure. No one does it any more.
>>>>>>>
>>>>>>> How are you storing those user passwords on your end? I hope your not
>>>>>>> storing them in the clear... You can store the HMAC'ed result, keyed
>>>>>>> with a salt or some random element. Then instead of comparing
>>>>>>> passwords
>>>>>>> in the clear, you can compare hash digests.
>>>>>>
>>>>>> OK.  I'm also thinking about this:
>>>>>> https://www.reddit.com/r/WireGuard/comments/ewzxk4/no_password_protection_at_all/
>>>>>>
>>>>>>
>>>>>> Perhaps I don't need passwords beyond what Wireguard provides.
>>>>> Hm, no password is something like sending public keys?
>>>>
>>>> Very Simple scheme...
>>>>
>>>> Password Setup:
>>>>
>>>> Use DH to setup temporary secure channel between server and a client.
>>>>
>>>> The client encrypts the password using this session and sends the
>>>> ciphertext to the server.
>>>>
>>>> The server decrypts and hashes the password with a random salt.
>>>>
>>>> The secure channel is destroyed.
>>>>
>>>> The server stores the digest and the salt.
>>>>
>>>>
>>>> Password Validation:
>>>>
>>>> Use DH to setup temporary secure channel between server and a client.
>>>>
>>>> The client encrypts the password using this session and sends the
>>>> ciphertext to the server.
>>>>
>>>> The server decrypts, looks up your account, hashes the password with
>>>> the stored random salt.
>>>
>>> NO! Do not send the password to the fucking server, hash on the fucking
>>> CLIENT and send the fucking HASH to the fucking server.'
>>
>> Okay. I was thinking of sending an encrypted password using a DH secure
>> channel. We can most certainly hash on the client, then send the digest
>> to the server using a secure DH?
> 
> When using encrypted protocol it is same. When attacker has hash it is
> same as plain text.

Exactly. This is why its good to try to setup a temporary secure 
channel, just to send ciphertext to the server.

>>
>>>
>>> /Flibble
>>>
>>
> 
> 

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Thread

Re: Regal eagle / American cloud "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2020-02-09 12:54 -0800
  Re: Regal eagle / American cloud woodbrian77@gmail.com - 2020-02-27 20:19 -0800
    Re: Regal eagle / American cloud Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk> - 2020-02-28 16:50 +0000
      Re: Regal eagle / American cloud "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2020-02-28 15:34 -0800
    Re: Regal eagle / American cloud "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2020-02-28 15:37 -0800
      Re: Regal eagle / American cloud woodbrian77@gmail.com - 2020-02-28 16:24 -0800
        Re: Regal eagle / American cloud Melzzzzz <Melzzzzz@zzzzz.com> - 2020-02-29 03:48 +0000
          Re: Regal eagle / American cloud "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2020-02-28 21:33 -0800
            Re: Regal eagle / American cloud Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk> - 2020-02-29 06:28 +0000
              Re: Regal eagle / American cloud "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2020-02-28 22:34 -0800
                Re: Regal eagle / American cloud Melzzzzz <Melzzzzz@zzzzz.com> - 2020-02-29 06:51 +0000
                Re: Regal eagle / American cloud Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk> - 2020-02-29 07:34 +0000
                Re: Regal eagle / American cloud "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2020-02-28 23:40 -0800
                Re: Regal eagle / American cloud David Brown <david.brown@hesbynett.no> - 2020-03-01 14:46 +0100
                Re: Regal eagle / American cloud "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2020-03-01 12:59 -0800
                Re: Regal eagle / American cloud David Brown <david.brown@hesbynett.no> - 2020-03-01 22:47 +0100
                Re: Regal eagle / American cloud red floyd <no.spam@its.invalid> - 2020-03-01 22:14 -0800
                Re: Regal eagle / American cloud woodbrian77@gmail.com - 2020-03-03 08:06 -0800
                Re: Regal eagle / American cloud "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2020-03-02 13:21 -0800
                Re: Regal eagle / American cloud "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2020-03-02 13:24 -0800
                Re: Regal eagle / American cloud David Brown <david.brown@hesbynett.no> - 2020-03-03 08:11 +0100
                Re: Regal eagle / American cloud "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2020-03-03 01:31 -0800
                Re: Regal eagle / American cloud "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2020-03-03 01:33 -0800
                exception with distinct data members and concatenated what "daniel...@gmail.com" <danielaparker@gmail.com> - 2020-12-08 08:24 -0800
                Re: exception with distinct data members and concatenated what Öö Tiib <ootiib@hot.ee> - 2020-12-08 10:26 -0800
                Re: exception with distinct data members and concatenated what "daniel...@gmail.com" <danielaparker@gmail.com> - 2020-12-08 11:00 -0800
                Re: exception with distinct data members and concatenated what Öö Tiib <ootiib@hot.ee> - 2020-12-08 13:17 -0800
                Re: exception with distinct data members and concatenated what Paavo Helde <myfirstname@osa.pri.ee> - 2020-12-08 22:13 +0200
                Re: Regal eagle / American cloud "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2020-02-28 23:38 -0800
              Re: Regal eagle / American cloud Melzzzzz <Melzzzzz@zzzzz.com> - 2020-02-29 06:50 +0000
                Re: Regal eagle / American cloud "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2020-02-28 23:32 -0800

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