Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com>
Newsgroups: sci.crypt
Subject: Re: Inspired by Chris's HMAC cipher
Date: Tue, 8 Oct 2024 12:05:26 -0700
Organization: A noiseless patient Spider
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On 10/8/2024 6:42 AM, Stefan Claas wrote:
> Chris M. Thomasson wrote:
>> On 9/20/2024 4:17 AM, Stefan Claas wrote:
>>> I came up with the following idea.
>>>
>>> Register a webpage at nekoweb.org, use an API key
>>> and send encrypted messages to the web page, which
>>> later Bob and Alice can decrypt.[...]
>>
>> To decrypt use the default key, except click on the SHA512 radio button,
>> then click decrypt:
>>
>> http://fractallife247.com/test/hmac_cipher/ver_0_0_0_1?ct_hmac_cipher=a4f7cb5f3c7a0957d9517ad740b06a5d13a02e0affcb2882f700e388eec93f650c92e3b451915f04d2c0dd45f13e1ad5bfad03552937e2ff2602ec88dc3ccdce8b3076ec0addad4b41123297542709c292bb836850057363dbd2e7c7eb6f237db3e3d3d891600c880b92bbbe0b293a34bbc4994c81dba3deef421247965b01ef1cfca2ac91fc73b1511997cb09907e
> 
> Hi Chris, please reply here in plaintext. I do not have the passwort anymore.
> 

If you click on the link; click on the SHA512 radio button and then 
click the decrypt button you should see the following plaintext:
________________________
Well, shit... I have been really busy lately.

Sorry for neglecting this group.
________________________

Here is a screenshot with the plaintext highlighted:

https://i.ibb.co/tzSbQYJ/image.png