the project generates a csv file with private and public keys with it corresponding current balance from the main bitcoin blockchain.

Using RSA and AES encrypted communication between client and server written in Java.

Digital Signature with USB Token

An app for your 📱 to exchange public-keys in a secure manner.

JavaScript Encrypt using public-key & Decrypt in Java using private-key

A secure public-key authority server

Simple Java project demonstrating a secure server implementation using Bouncy Castle for cryptographic operations and a Certificate Authority (CA) for secure communication, it has examples of Symmetric and Asymmetric Encryption using RSA and AES Algorithms

Encrypt and Decrypt any file for secure file sharing across the internet.

Lab exercises in Computer security course about MAC and Digital signature verifications.