simplecipher-lawrence-mse-2201-a v1.0.0

Simple-Cipher

Encrypt and decrypt .txt files with a simple 1-1 character set.

Installation

npm install simplecipher-lawrence-mse-2201-a

Example Sets

Letter-Number

character, value
a, 1
b, 7
c, 30
d, 365

Letter-Letter

character, value
a, !
b, .
c, ?
d, @

Usage

Encrypt and decrypt a message using a letter-letter character set.

simple-cipher -c letterLetterSet.txt -a ll -e message.txt

simple-cipher -c letterLetterSet.txt -a ll -d message.enc.txt

Encrypt and decrypt a message using a letter-number character set with optional offset argument.

simple-cipher -c letterNumberSet.txt -a ln -e message.txt -k 42

simple-cipher -c letterNumberSet.txt -a ln -d message.enc.txt -k 42