The latest articles on DEV Community by ORPHÉRIC (@orpheric73). https://dev.to/orpheric73 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%2F3881074%2F056183bf-f883-44fd-83f2-cf38b775124b.jpeg https://dev.to/orpheric73 en ORPHÉRIC Sun, 26 Apr 2026 04:06:17 +0000 https://dev.to/orpheric73/cipherflow-system-v11-file-encryption-in-c-5863 https://dev.to/orpheric73/cipherflow-system-v11-file-encryption-in-c-5863 <h2> 🔐 Building CipherFlow System v1.1 — A Custom File Encryption Tool in C </h2> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fcod5kp96gcoe666xm7bx.jpg" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fcod5kp96gcoe666xm7bx.jpg" alt="social preview" width="800" height="600"></a><br> I’ve been working on a personal project called CipherFlow System, a console-based application written in C that handles file encryption, decryption, and scheduled operations.</p> <p>This project started as a way to deepen my understanding of:</p> <ul> <li>memory management in C</li> <li>file handling</li> <li>and low-level security concepts</li> </ul> <h2> 🚀 What’s new in v1.1 </h2> <p><strong>✨ Improved Input Handling</strong></p> <ul> <li>Added drag &amp; drop support for file paths</li> <li>Better validation to prevent user errors</li> </ul> <p><strong>🎬 Animation Control</strong></p> <ul> <li>Users can now enable or disable console animations</li> </ul> <p><strong>🔐 Security Enhancement</strong></p> <ul> <li>Introduced a non-linear permutation layer</li> <li>This helps break the direct mapping between input and output data</li> </ul> <p><strong>⚠️ Safety Improvements</strong></p> <ul> <li>Added warnings to prevent accidental file overwrite</li> </ul> <p><strong>🔐 How the encryption works (simplified)</strong></p> <p>The algorithm is custom-built and follows these steps:</p> <ol> <li>Generate a key from the password + version</li> <li>Transform file data using that key</li> <li>Apply a non-linear permutation to obfuscate structure</li> </ol> <p>The goal isn’t to replace standard cryptographic libraries, but to explore how such systems can be designed from scratch.</p> <p><strong>💻 Tech Stack</strong></p> <ul> <li>C (GCC)</li> <li>Windows Console API</li> <li>Custom encryption logic</li> </ul> <p><strong>📦 Try it</strong></p> <p>👉<a href="https://github.com/orpheric73/FILE_CRYPTER/releases/download/v1.1/FILE_CRYPTER.exe" rel="noopener noreferrer">https://github.com/orpheric73/FILE_CRYPTER/releases/download/v1.1/FILE_CRYPTER.exe</a></p> <p><strong>📚 Documentation</strong></p> <p>👉 <a href="https://github.com/orpheric73/FILE_CRYPTER/blob/main/README.md" rel="noopener noreferrer">https://github.com/orpheric73/FILE_CRYPTER/blob/main/README.md</a></p> <p><strong>💭 Feedback</strong></p> <p>I’d really appreciate feedback from other developers — especially on:</p> <ul> <li>the encryption approach</li> <li>code structure</li> <li>possible improvements</li> </ul> <h1> c #cybersecurity #opensource #programming #learning </h1> cli programming security showdev