The latest articles on Forem by praveen (@praveen_39fb3aed4841dba77). https://forem.com/praveen_39fb3aed4841dba77 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3661368%2Fb28b66a4-22bd-4638-a03b-2979f5450e6c.png https://forem.com/praveen_39fb3aed4841dba77 en praveen Sun, 14 Dec 2025 13:56:39 +0000 https://forem.com/praveen_39fb3aed4841dba77/qarx-256-e7n https://forem.com/praveen_39fb3aed4841dba77/qarx-256-e7n <p>Hi<br> I created an experimental encryption algorithm called QARX-256 as a learning project.</p> <p>It’s a symmetric block cipher based on ARX (Add–Rotate–XOR) with:</p> <ul> <li>256-bit block size</li> <li>512-bit key size</li> <li>Hash-based key schedule</li> <li>Designed with post-quantum considerations in mind</li> </ul> <p>This is NOT for production use. It’s purely experimental and for learning cryptographic design.</p> <p>GitHub:<br> <a href="https://github.com/Pravin761/qarx-256" rel="noopener noreferrer">https://github.com/Pravin761/qarx-256</a></p> <p>I’d appreciate any feedback, critique, or suggestions on the design.<br> Thanks!</p> opensource security testing development