How to use it

Prepare environment

Rum npm i to install the packages.

Encrypt a string with shamir

Call "shamir-encrypt" with the proper parameters :

node shamir-encrypt.js --secret="mysecret" --shares=5 --threshold=4

Only "secret" is mandatory. By default, 5 shares with a threshold of 3 will be used.

Decrypt a string with shamir

Call "shamir-decrypt" with the proper parameters :

node shamir-decrypt.js --shares=share1,share2,share3

Shares need to be separated with "," in the arguments !

TODO

This code is for testing purpose. Feel free to add tests, or enhance the code ;-)