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Failed to connect to MySQL: (1203) User howardkn already has more than 'max_user_connections' active connectionsPath: eternal-september.org!news.eternal-september.org!feeder3.eternal-september.org!i2pn.org!i2pn2.org!.POSTED!not-for-mail From: Stefan Claas Newsgroups: sci.crypt Subject: Re: Inspired by Chris's HMAC cipher Date: Thu, 17 Oct 2024 20:25:09 -0000 Organization: Ch1ffr3punk5 Message-ID: <7e059f0438e1e4be5778f2d7f83b8a94202a2149@i2pn2.org> References: <3fdb83dbfe35a57d62d07ea352ccc53a9b6e01cf@i2pn2.org> <4742d35c14f5b945a681c331e6661d57e8bb8b96@i2pn2.org> MIME-Version: 1.0 Injection-Date: Thu, 17 Oct 2024 20:25:10 -0000 (UTC) Injection-Info: i2pn2.org; logging-data="2489229"; mail-complaints-to="usenet@i2pn2.org"; posting-account="ieSrCjSDShpZNyqIW52mlwIkg76Hsp+TOOO6KTdfCN8"; User-Agent: flnews/1.3.0pre12 (for GNU/Linux) Cancel-Lock: sha256:mtmPg3N2tihwLLyNt6ACKyibfK7AW0FSOYsHNyF68uk= X-Ed25519-Sig: e6ee7fafe38d068447057f9871c3982d455ca8031e8b132b0a22c310d38ff443 4adf1a60fda27a11d092399c044a2be3f39e6251a7fa8214dac69dd79a74bc01 X-Date: It's Thu 11370 Sep 1993 10:25:09 PM CEST, the September that never ends X-Spam-Checker-Version: SpamAssassin 4.0.0 X-Ed25519-Pub: c0ffee5a36e581eb10f60b2831b3cdb955d2e7ef680dd282a8d43ad8b84b357a Chris M. Thomasson wrote: > On 10/17/2024 12:25 PM, Stefan Claas wrote: > > Stefan Claas wrote: > > > 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. > > > > > > Or for further communications, I would prefer that you use my minicrypt too, > > > because then we do not need to visit the WWW, for encrypted communications. > > > > > > My pub key (save it as stefan.pem): > > > > > > -----BEGIN PUBLIC KEY----- > > > tRxoeAmoI+0ygSbUYHBRpbYBDkC9+Q3rSTchzSXFHrU= > > > -----END PUBLIC KEY----- > > > > > > https://github.com/706f6c6c7578/minicrypt > > > > Your ciphertext is also longer than minicrypt ciphertext. > > > > Your message with your HMAC cipher: > > > > a4f7cb5f3c7a0957d9517ad740b06a5d13a02e0affcb2882f700e388eec93f65 > > 0c92e3b451915f04d2c0dd45f13e1ad5bfad03552937e2ff2602ec88dc3ccdce > > 8b3076ec0addad4b41123297542709c292bb836850057363dbd2e7c7eb6f237d > > b3e3d3d891600c880b92bbbe0b293a34bbc4994c81dba3deef421247965b01ef > > 1cfca2ac91fc73b1511997cb09907e > > > > Your message with my minicrypt cipher: > > > > RzJ1JQ9XcXuvqozXkVDzTMOLVwOcZTboSrj+16/gZmU+l/0wrLy1Lj6tu+o24QHJ > > Oo7OZ2XXhbf6PqdQ4mpGxDOB7QuasdrnKwPLUNrnUPgXgimjl/3f1HRcJz6pBQf2 > > Ywgh1TCpiZnydd+Clt8uj4dbXHYpSSBkG0NIchAauixcHzXAPlME233RW8VrddMi > > tAYbJptlqHLB > > > > Yeah, I am only representing the ciphertext in hex right now for the > online version. Now, I could modify it to encode the ciphetext in base > 64 or something a little more "dense", so to speak... Fwiw, here is a > link to a C based test version, have you seen it yet? > > https://groups.google.com/g/comp.lang.c/c/a53VxN8cwkY/m/XKl1-0a8DAAJ > > ;^) Yes, I remember that and I had compiler errors. Have you tried my minincrypt yet? It is probably the easiest to use public key encryption software. ;-) -- Regards Stefan