/ECE151-RSA-encryption

ECE 151 MP2. RSA Encoder-Decoder and Brute-Force code breaker

Primary LanguagePython

ECE151-RSA-encryption

ECE 151 MP2. RSA Encoder-Decoder and Brute-Force code breaker.

  • Implementation limits the encoding to only the use of prime numbers under 300, or up to approx. 16 bit encryption (at most 82,919 symbols).
  • The project is instead developed with low-end computers in mind, and is thus subpar to the standard 1024 bit encryption practical RSA uses. This project however uses less memory and time in key generation and encoding-decoding, in tradeoff to the strength of security.

Requirements:

  • Python 2.7.16

Usage:

python server.py <sample_file.txt>
python client.py

To indicate # of symbols/combinations to encode:

python server.py --length 128 <sample_file.txt>
python client.py --length 128

by default text is encrypted using length=128 (because of 128 ascii characters)

Brute-Force Code Breaker:

python brute.py

given the first 3 characters of the file, brute.py is designed to crack the RSA cipher if the prime numbers used are under 100.

Input and Output Files

  • alice.txt : test file from Project Gutenberg containing L. Caroll's Alice in Wonderland in text.
  • encrypted_file.txt : file after RSA encryption.
  • received_file.txt : file after being transferred through TCP. Should ideally be identical to encrypted_file.txt.
  • decrypted_file.txt : file after being transferred AND decrypted. The final output file.
  • snitch.txt : brute-force output