https://github.com/anuraganalog/crypto

Crypto algorithms
https://github.com/anuraganalog/crypto

algorithms crypto decryption rot13 vigenere

Last synced: 2 days ago
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Crypto algorithms

• Host: GitHub
• URL: https://github.com/anuraganalog/crypto
• Owner: AnuragAnalog
• License: gpl-2.0
• Created: 2019-04-01T10:31:26.000Z (over 5 years ago)
• Default Branch: master
• Last Pushed: 2019-12-28T04:55:06.000Z (almost 5 years ago)
• Last Synced: 2024-11-18T07:41:44.384Z (about 1 month ago)
• Topics: algorithms, crypto, decryption, rot13, vigenere
• Language: Python
• Size: 16.6 KB
• Stars: 0
• Watchers: 1
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# Cryptography

This repo contains some algorithms for encryption and decryption of some famous

cryptographic methods.

## Vigenere:

   This directory contains algorithms of encryption and decryption of vigenere cipher.

* There also methods for estimating the length of the key and a rough estimation of the key.

   Friedmen vigenere gives a estimate of the key length.

## ROT13

   This directory contains algorithm for encrypting and decrypting of plain text using rot13 method.

* It takes a letter a replaces it with the 13th letter from that position.

* The algorithm for encrypting the plain text and decrypting the cipher both are same.

* It is a form of ceaser cipher with a shift equal to 13.

> ROT stands for Rotate by 13 places