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v1pad is a command-line tool that encrypts and decrypts files using one-time-pad encryption. v1pad uses a virtual pad, meaning that the one-time pad is generated dynamically based on user input instead of being stored in a file. The name v1pad is an abbreviation for Virtual One-Time Pad.
A program to generate random reciprocal bigram tables
...If the -p passphrase argument is given a specific table is generated and is repeatable each time the same passphrase is given.
This program was written to supplement the Enigma Simulator by Dirk Rijmenants.
http://users.telenet.be/d.rijmenants/en/enigmasim.htm
Enigma message procedures:
http://users.telenet.be/d.rijmenants/en/enigmaproc.htm