Re: Toy cipher I made for a reddit challenge

From	"Chris M. Thomasson" <chris.m.thomasson.1@gmail.com>
Newsgroups	sci.crypt
Subject	Re: Toy cipher I made for a reddit challenge
Date	2021-10-31 19:30 -0700
Organization	A noiseless patient Spider
Message-ID	<slnjfp$jec$1@dont-email.me> (permalink)
References	(9 earlier) <sl9fsp$1sh0$1@gioia.aioe.org> <slc3fv$a96$1@dont-email.me> <A5adnTOFTeEPUuT8nZ2dnUU7-IednZ2d@giganews.com> <sln15n$2n9$1@dont-email.me> <nKudnXw2t9VBtOL8nZ2dnUU7-QWdnZ2d@giganews.com>

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On 10/31/2021 4:42 PM, Leo wrote:
>> I would have reversed the keybits if I had to design this
>> version of the cipher.
> 
> Any reason why? Would it improve an aspect of the cipher or make it
> more exciting to crack? I imagine there are a lot of small tweaks that
> will make it better and more consistent. In the end it is still a weak
> hand cipher so the improvements will be marginal.
> 
>> MD5 of plaintext of mediumrare without spaces, no newline and all
>> lowercase is: cda56fb2eb66d982fdd9cf01d2ccdb4c
> 
> This is correct. Let me just spoil the next level here since it's not
> a big change. It generates N random bytes and prepends them to the
> message in order to make it easier to encode multiple messages with
> the same key. It functions as a really terrible IV or nonce.

Oh, interesting! I need to make a new post in order to not hijack this one.


> 
>> But who's Mark?
> 
> Mark Edward Fischbach, of course.
>

Thread

Toy cipher I made for a reddit challenge Leo <usenet@gkbrk.com> - 2021-09-27 21:15 +0000
  Re: Toy cipher I made for a reddit challenge Richard Heathfield <rjh@cpax.org.uk> - 2021-09-27 23:12 +0100
    Re: Toy cipher I made for a reddit challenge Leo <usenet@gkbrk.com> - 2021-09-27 22:32 +0000
    Re: Toy cipher I made for a reddit challenge Max <maxturv26@gmx.net> - 2021-09-28 00:51 +0200
      Re: Toy cipher I made for a reddit challenge Leo <usenet@gkbrk.com> - 2021-09-28 04:04 -0500
        Re: Toy cipher I made for a reddit challenge Richard Heathfield <rjh@cpax.org.uk> - 2021-09-28 11:29 +0100
        Re: Toy cipher I made for a reddit challenge wizzofozz <oxxxxxxxxxxxs@gmail.com> - 2021-09-28 21:11 +0200
          Re: Toy cipher I made for a reddit challenge Max <maxturv26@gmx.net> - 2021-09-29 00:00 +0200
            Re: Toy cipher I made for a reddit challenge wizzofozz <oxxxxxxxxxxxs@gmail.com> - 2021-09-30 23:07 +0200
              Re: Toy cipher I made for a reddit challenge wizzofozz <oxxxxxxxxxxxs@gmail.com> - 2021-10-01 22:29 +0200
                Re: Toy cipher I made for a reddit challenge Max <maxturv26@gmx.net> - 2021-10-02 04:20 +0200
                Re: Toy cipher I made for a reddit challenge Max <maxturv26@gmx.net> - 2021-10-02 12:18 +0200
                Re: Toy cipher I made for a reddit challenge wizzofozz <oxxxxxxxxxxxs@gmail.com> - 2021-10-02 13:28 +0200
                Re: Toy cipher I made for a reddit challenge Max <maxturv26@gmx.net> - 2021-10-02 16:25 +0200
                Re: Toy cipher I made for a reddit challenge wizzofozz <oxxxxxxxxxxxs@gmail.com> - 2021-10-02 17:25 +0200
                Re: Toy cipher I made for a reddit challenge wizzofozz <oxxxxxxxxxxxs@gmail.com> - 2021-10-02 12:28 +0200
                Re: Toy cipher I made for a reddit challenge Leo <usenet@gkbrk.com> - 2021-10-02 10:42 -0500
                Re: Toy cipher I made for a reddit challenge Max <maxturv26@gmx.net> - 2021-10-02 18:13 +0200
                Re: Toy cipher I made for a reddit challenge wizzofozz <oxxxxxxxxxxxs@gmail.com> - 2021-10-03 12:27 +0200
                Re: Toy cipher I made for a reddit challenge Max <maxturv26@gmx.net> - 2021-10-03 18:02 +0200
                Re: Toy cipher I made for a reddit challenge Stefan Claas <spam.trap.usenet@gmail.com> - 2021-10-03 09:23 -0700
                Re: Toy cipher I made for a reddit challenge wizzofozz <oxxxxxxxxxxxs@gmail.com> - 2021-10-03 21:32 +0200
                Re: Toy cipher I made for a reddit challenge wizzofozz <oxxxxxxxxxxxs@gmail.com> - 2021-10-18 08:52 +0200
                Re: Toy cipher I made for a reddit challenge wizzofozz <oxxxxxxxxxxxs@gmail.com> - 2021-10-18 19:24 +0200
                Re: Toy cipher I made for a reddit challenge Max <maxturv26@gmx.net> - 2021-10-19 00:47 +0200
            Re: Toy cipher I made for a reddit challenge wizzofozz <oxxxxxxxxxxxs@gmail.com> - 2021-10-17 17:17 +0200
              Re: Toy cipher I made for a reddit challenge Max <maxturv26@gmx.net> - 2021-10-17 20:05 +0200
                Re: Toy cipher I made for a reddit challenge Leo <usenet@gkbrk.com> - 2021-10-25 17:18 -0500
                Re: Toy cipher I made for a reddit challenge Max <maxturv26@gmx.net> - 2021-10-26 20:03 +0200
                Re: Toy cipher I made for a reddit challenge wizzofozz <oxxxxxxxxxxxs@gmail.com> - 2021-10-27 19:49 +0200
                Re: Toy cipher I made for a reddit challenge Leo <usenet@gkbrk.com> - 2021-10-27 17:15 -0500
                Re: Toy cipher I made for a reddit challenge Max <maxturv26@gmx.net> - 2021-10-28 12:51 +0200
                Re: Toy cipher I made for a reddit challenge wizzofozz <oxxxxxxxxxxxs@gmail.com> - 2021-10-28 13:33 +0200
                Re: Toy cipher I made for a reddit challenge wizzofozz <oxxxxxxxxxxxs@gmail.com> - 2021-10-31 22:17 +0100
                Re: Toy cipher I made for a reddit challenge Richard Heathfield <rjh@cpax.org.uk> - 2021-10-31 22:38 +0000
                Re: Toy cipher I made for a reddit challenge Leo <usenet@gkbrk.com> - 2021-10-31 18:42 -0500
                Re: Toy cipher I made for a reddit challenge "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2021-10-31 19:30 -0700
                Re: Toy cipher I made for a reddit challenge wizzofozz <oxxxxxxxxxxxs@gmail.com> - 2021-11-01 21:40 +0100

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