XPost: sci.crypt   
   From: chris.m.thomasson.1@gmail.com   
      
   On 2/14/2026 1:46 PM, Stefan Claas wrote:   
   > Chris M. Thomasson wrote:   
   >> On 2/14/2026 6:48 AM, Stefan Claas wrote:   
   >>> Chris M. Thomasson wrote:   
   >>>> On 2/12/2026 9:40 PM, Chris M. Thomasson wrote:   
   >>>>> Well, I made some alterations to my old C version of my HMAC cipher. It   
   >>>>> uses some non-portable API's in order to try to get a TRNG. It prints   
   >>>>> out its usage, just run the program with no arguments, look in ct_help.   
   >>>>>   
   >>>>> Well, can anybody else get it to compile _and_ run on their end? Thanks   
   >>>>> everybody!   
   >>>>>   
   >>>>> The secret key is hardcoded to Password and SHA2-512:   
   >>>> [...]   
   >>>>   
   >>>> I put it up on github:   
   >>>>   
   >>>> https://github.com/ChrisMThomasson/ct_HMAC_Cipher_Experimen   
   /blob/main/ct_hmac_sha2_512.c   
   >>>>   
   >>>   
   >>> Why I do not like your code snippets:   
   >>>   
   >>> $ gcc hmac.c -o hmac   
   >>> hmac.c:29:10: fatal error: hmac_sha2.h: No such file or directory   
   >>>      29 | #include "hmac_sha2.h"   
   >>>         |          ^~~~~~~~~~~~~   
   >>> compilation terminated.   
   >>   
   >> Well, it uses the following lib:   
   >>   
   >> https://github.com/ogay/hmac   
   >>   
   >> So, go get it. Actually, its pretty nice. That is the only dependency.   
   >> After that, it should work fine. I cannot just copy those files from   
   >> ogay into my repository, right? :^)   
   >   
   > Oh well, at least you should have mentioned in your OP the dependencies!   
   >   
   >>> You should definetly learn Go or Rust...!!! BTW. speaking of TRNG,   
   >>> your's is not a TRNG, use instead on your Windows box your TPM 2.0   
   >>> hardware TRNG module, like I did, for example with pwgen:   
   >>   
   >> Well, if somebody has access to a "real" TRNG device, they can adapt my   
   >> code to use its API.   
   >   
   > So, you don't have one in your PC? Then you should also not speak in the   
   > future about TRNG in your code, when it is not!   
   >   
   >>> https://github.com/Ch1ffr3punk/pwgen   
   >>>   
   >>> Or if your computer is too old for TPM 2.0 usage try to use Quantum   
   >>> Random bytes:   
   >>>   
   >>> https://github.com/Ch1ffr3punk/qrng   
   >>> https://github.com/Ch1ffr3punk/pnr   
   >>>   
   >>> HTH!   
   >>   
   >> That is a TRNG? I thought I needed a special device for that?   
   >   
   > Yes, it uses a real TRNG in my PC, i.e. the TMP 2.0 hardware module.   
   >   
      
   I put DrMoron up online. Here is a message encrypted using the default   
   key. Click it, and you should see the message:   
      
   https://fractallife247.com/test/hmac_cipher/drmoron/?ct_hmac_cipher=   
   0decd464be7496f9534ef9fabee04f8d283ee784811a8a9bff4193329f2bcaa8   
   9fb8288acc5c096618dcaf71c19304cce3f02d7a9e60975fdb9b468fbf3093a2   
   c266846ff228c4ef1ca0fc8b6e81b7654857a35440a75a4d44711efb61a18fb2   
   26b4f373d5cc86ee5809dcadf96f42f5ed62e27e1d6bb2fe3c8574047fcc   
   55d92066a9faa0958edaa93c371939a50c08b1f0885d42e028d8190f10609   
      
   --- SoupGate-Win32 v1.05   
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