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Re: CHAL2X

From Colin <a@b.com>
Newsgroups sci.crypt
Subject Re: CHAL2X
Date 2021-09-27 20:02 +1300
Organization Aioe.org NNTP Server
Message-ID <sirqau$3cm$1@gioia.aioe.org> (permalink)
References (6 earlier) <sipqp0$n4l$1@dont-email.me> <sipu37$1kbj$1@gioia.aioe.org> <sipupa$kk8$1@dont-email.me> <sirnb7$sla$1@gioia.aioe.org> <sirp23$qpv$1@dont-email.me>

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On 27/09/21 7:41 pm, Richard Heathfield wrote:
> On 27/09/2021 07:11, Colin wrote:
>> If the plaintext length is a multiple of the key length then you have 
>> problems
> 
> Clearly not a break - bear with me - BUT definitely an attack, and the 
> first attack that has bothered CDX... ever. (The only known previous 
> attack was "distinguish from random".) I'd like to cite you in the 
> comments of CDX-5 (as soon as I've fixed this weakness); how should I do 
> so? My email works if you prefer a private channel.
> 

You can call me Colin from sci.crypt


ps: more info at
https://groups.google.com/g/sci.crypt/c/DaLXY2swcoA

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Thread

CHAL2X Richard Heathfield <rjh@cpax.org.uk> - 2021-09-23 16:34 +0100
  Re: CHAL2X Max <maxturv26@gmx.net> - 2021-09-25 19:45 +0200
    Re: CHAL2X Richard Heathfield <rjh@cpax.org.uk> - 2021-09-25 19:04 +0100
      Re: CHAL2X Max <maxturv26@gmx.net> - 2021-09-25 20:08 +0200
  Re: CHAL2X Max <maxturv26@gmx.net> - 2021-09-25 23:03 +0200
    Re: CHAL2X Richard Heathfield <rjh@cpax.org.uk> - 2021-09-25 22:14 +0100
      Re: CHAL2X Max <maxturv26@gmx.net> - 2021-09-26 00:53 +0200
        Re: CHAL2X Richard Heathfield <rjh@cpax.org.uk> - 2021-09-26 06:59 +0100
          Re: CHAL2X Max <maxturv26@gmx.net> - 2021-09-26 14:40 +0200
            Re: CHAL2X Richard Heathfield <rjh@cpax.org.uk> - 2021-09-26 13:58 +0100
              Re: CHAL2X Max <maxturv26@gmx.net> - 2021-09-26 15:54 +0200
                Re: CHAL2X Richard Heathfield <rjh@cpax.org.uk> - 2021-09-26 15:06 +0100
                Re: CHAL2X Max <maxturv26@gmx.net> - 2021-09-26 17:11 +0200
                Re: CHAL2X Richard Heathfield <rjh@cpax.org.uk> - 2021-09-26 16:53 +0100
                Re: CHAL2X Richard Heathfield <rjh@cpax.org.uk> - 2021-09-26 17:12 +0100
                Re: CHAL2X Max <maxturv26@gmx.net> - 2021-09-26 18:42 +0200
                Re: CHAL2X Richard Heathfield <rjh@cpax.org.uk> - 2021-09-26 18:27 +0100
                Re: CHAL2X Max <maxturv26@gmx.net> - 2021-09-26 20:43 +0200
                Re: CHAL2X Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-09-26 20:41 +0100
                Re: CHAL2X Max <maxturv26@gmx.net> - 2021-09-26 21:46 +0200
                Re: CHAL2X Richard Heathfield <rjh@cpax.org.uk> - 2021-09-26 20:57 +0100
                Re: CHAL2X Stefan Claas <spam.trap.usenet@gmail.com> - 2021-09-26 13:19 -0700
                Re: CHAL2X Max <maxturv26@gmx.net> - 2021-09-26 22:30 +0200
                Re: CHAL2X Richard Heathfield <rjh@cpax.org.uk> - 2021-09-26 21:37 +0100
                Re: CHAL2X Richard Heathfield <rjh@cpax.org.uk> - 2021-09-26 21:33 +0100
                Re: CHAL2X Stefan Claas <spam.trap.usenet@gmail.com> - 2021-09-26 13:39 -0700
                Re: CHAL2X Richard Heathfield <rjh@cpax.org.uk> - 2021-09-26 20:53 +0100
                Re: CHAL2X Colin <a@b.com> - 2021-09-27 19:11 +1300
                Re: CHAL2X Richard Heathfield <rjh@cpax.org.uk> - 2021-09-27 07:41 +0100
                Re: CHAL2X Colin <a@b.com> - 2021-09-27 20:02 +1300
                Re: CHAL2X Richard Heathfield <rjh@cpax.org.uk> - 2021-09-27 08:27 +0100
                Re: CHAL2X Colin <a@b.com> - 2021-09-28 20:09 +1300

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