Learn how to implement a classic substitution cipher in C! This step-by-step tutorial walks you through encoding and decoding messages by replacing each letter with another according to a fixed key. A ...

In this post, we will see how to fix the error message, ‘This volume is locked by BitLocker Drive Encryption, Code 10‘ on a Windows 11/10 PC. Some users have ...

SAP SE today addressed two newly disclosed vulnerabilities in its SAP Graphical User Interface client applications following their discovery in coordinated research by Pathlock Inc. and Fortinet Inc.

Pull requests help you collaborate on code with other people. As pull requests are created, they’ll appear here in a searchable and filterable list. To get started, you should create a pull request.

Abstract: Numerous photo encryption techniques have been presented in the previous decade, thanks to the increased focus on image encryption within data security research. Image encryption is ...

View of computer hackers code and network activity. Hacker using pings, trace routes and attempting to decode hash encryption on network servers as steals files from other servers. Programer/Hacker ...

A simple command-line utility that implements the Playfair Cipher in C. This is the cipher that was used by JFK aboard PT-109 in WW2.

Abstract: 3D-Playfair cipher is multiple letter encryption cipher. In this, trigraphs of plaintext are treated as single units and converted into corresponding cipher text trigraphs. 3D-Playfair ...