Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Richard Heathfield Newsgroups: sci.crypt Subject: Re: Seriation Date: Sat, 8 Feb 2025 10:58:26 +0000 Organization: Fix this later Lines: 26 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sat, 08 Feb 2025 11:58:27 +0100 (CET) Injection-Info: dont-email.me; posting-host="d353623415306d8c35738e91cab3306d"; logging-data="28780"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+29iTa6Ng+Jvqo0M2SjAz4Dy0eRMIywLB1IfEA3PHFcQ==" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:HCxnK0hiQ16FrhZMX0m8HL2qGcg= Content-Language: en-GB In-Reply-To: Bytes: 2139 On 08/02/2025 10:43, David Entwistle wrote: > On Tue, 4 Feb 2025 06:10:59 +0000, Richard Heathfield wrote: > >> It now occurs to me that I could remove other characters to have them >> left treated untreated. For example, the following ciphertext is the >> (key 31 41) output from a SCOS2 variant (with just one line of code >> changed) that passes through everything but alphabetical characters: > > Indeed. SCOS(31, 41): > > DyB, G gJztf dGow oVQwd QI tv fYQHtpNKrpk, GN ss kRMsZ LLAsp cPqsi YI qYiG > KnZSQ quèeL xCûléT EGl bMU yy. > > C bRvnc Tzoc hR vv oZMt AhZH Fp RJ wxlSKukid h'Jh lOKCojKAtv OIuheNB zA > ZSKvdaHFAWeIDr. > > uMPF xYXBnq, xyn qVI. -- Richard Heathfield Email: rjh at cpax dot org dot uk "Let them eat cake." - Jean-Jacques Rousseau, 1766. Sig line 4 vacant - apply within