AlexanderSychev/vernam_encrypter

Command-line tool which allows encrypting files with one-time pad encryption

Vernam Encrypter

Command-line tool which allows encrypting files with one-time pad encryption. This looks like Gilbert Vernam encrypting device.

Usage

vernam_encrypter command <arguments...>

Available commands:

• keygen <length> <filename> - generate key file. Arguments:
  • <length> - key length in bytes;
  • <filename> - path to generated key file;
• encrypt <filename> <keyfile> <target_file> - encrypt file with key. Arguments:
  • <filename> - path to source file to encrypt;
  • <keyfile> - path to key file to use;
  • <target_file> - path to target encrypted file;
• decrypt <filename> <keyfile> <target_file> - decrypt file with key. Arguments:
  • <filename> - path to source file to decrypt;
  • <keyfile> - path to key file to use;
  • <target_file> - path to target decrypted file;

How to build

Go v1.17+ toolchain required!

Clone this repository:

git clone git@github.com:AlexanderSychev/vernam_encrypter.git

Go to project directory:

cd /path/to/cloned/repo

Install dependencies:

go install .

Build application:

go build .

Roadmap

• Add bytes units suffixes support for keygen command;
• Some additional test coverage;
• Check on very big files;