The Crypto CLI Tool is a command-line application for encrypting and decrypting text using various classical cryptographic algorithms. It supports the following encryption methods:
- Shift Cipher (Caesar Cipher): A substitution cipher that shifts each character by a fixed number of positions in the alphabet.
- Affine Cipher: A cipher that combines multiplication and addition to transform characters. Requires two keys (a multiplier and an offset).
- Substitution Cipher: A cipher where each character is replaced based on a permutation of the alphabet.
- Hill Cipher (2x2): A cipher based on linear algebra, using a 2x2 key matrix for encryption.
- Transposition Cipher: A cipher that rearranges the characters of the text based on a key.
- Vigenere Cipher: A cipher that applies multiple Caesar ciphers based on a repeating key.
Each command allows the user to specify input text, keys, and alphabet files, as well as the output file and mode (encryption or decryption).
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Clone the repository:
git clone git@github.com:LLIEPJIOK/crypto.git
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Navigate to the project folder:
cd crypto -
Run the program:
go run main.go
crypto <command> -t <text file> -k <key file> -a <alphabet file> -o <output file> [-d]