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WeCrypt (Key Distribution Center).

BackendSecurityCryptographyCybersecurityCloud Native

Overview

A sophisticated end-to-end encrypted messaging platform focusing on cryptographic integrity. It implements a custom Key Distribution Center (KDC) logic, combining symmetric and asymmetric encryption for secure data exchange.

Institutional Context

Built with focus on cryptographic integrity at UFAZ (French-Azerbaijani University) - 2025.

Key Capabilities

Custom Cryptography Engine: Implementation of both classical and modern ciphers

Secure Envelope Messaging: Symmetric keys vaulted using RSA encryption

RSA Key Management: Automatic per-user asymmetric keypair management

Premium UI: Glassmorphism design with seamless Dark/Light mode support

Cloud Native: Optimized for high-performance deployment with Docker

Cryptographic Blueprint

Symmetric Cryptography

Caesar Substitution (with block mode support)Vigenère PolyalphabeticPlayfair Digraph (5x5 matrix)Rail Fence Transposition

Asymmetric Layer

RSA Key Management (Automatic keypair generation for every user)

Cipher Block Modes

ECB (Electronic Codebook)CBC (Cipher Block Chaining - Recommended)CFB (Cipher Feedback)OFB (Output Feedback)