---
description: >-
  Explore cryptography essentials: encryption, decryption, and key algorithms
  for securing data in the digital age.
---

# Cryptography

## Cryptography Essentials



<table data-card-size="large" data-view="cards"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-cover data-type="files"></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><h2>13</h2></td><td><em>Cryptography can be easy, do you know what ROT13 is ?</em></td><td></td><td><a href="https://1745675063-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FCGGWKlHlJ0MPv2R7Ca7k%2Fuploads%2F02CSVpMwZGcgUp0IQFfA%2FMedium%20Pico%20CTF%20Thumbnail.jpg?alt=media&#x26;token=0260e314-532c-4ae7-aaa7-117e7e17ec2f">Medium Pico CTF Thumbnail.jpg</a></td><td><a href="https://medium.com/@RejuKole.com/13-picoctf-challenge-walkthrough-by-reju-kole-aba2e1c13022">https://medium.com/@RejuKole.com/13-picoctf-challenge-walkthrough-by-reju-kole-aba2e1c13022</a></td></tr><tr><td><h2>Mod 26</h2></td><td><em>Cryptography can be easy, do you know what ROT13 is ?</em></td><td></td><td><a href="https://1745675063-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FCGGWKlHlJ0MPv2R7Ca7k%2Fuploads%2FefrmROFcJmUQeLbYuxi5%2FMedium%20Pico%20CTF%20Thumbnail.jpg?alt=media&#x26;token=de623582-173e-4588-acf6-affb2922244d">Medium Pico CTF Thumbnail.jpg</a></td><td><a href="https://medium.com/@RejuKole.com/mod-26-picoctf-challenge-walkthrough-by-reju-kole-d1babf88ba47">https://medium.com/@RejuKole.com/mod-26-picoctf-challenge-walkthrough-by-reju-kole-d1babf88ba47</a></td></tr></tbody></table>
