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A program to generate random reciprocal bigram tables
A command-line program to encrypt/decrypt a message using a random reciprocal bigram table and write a bigram table to a text file.
Executing the program without any command-line arguments starts bigram in message encryption/decryption mode. The program prompts for a password or passphrase and a message to encrypt/ decrypt. After the message is entered the ciphertext is displayed.
Executing the program with command-line arguments causes bigram to generate a random bigram table to...
This project involves implementing simulations of Enigma machines and the Turing bombe on various parallel-computing systems including multi-processor PCs, Linux clusters, and modern enhanced graphic cards.
cryptshell is a shell used for analysable code (eg anything before wwII). It automates letter substitution, transposition, and has modules useful for breaking various weak ciphers (enigma, substitution, vinigre). It has no real practical value.