shamir

README

Usage

bin/encrypt

cat file | bin/encrypt [args]

Usage of bin/encrypt:
  -parts int
        how many parts of the key should be created (default 5)
  -threshold int
        how many parts of the key are required for recombination (default 3)
  -output string
        filename for encoded content (default "out")

bin/decrypt

cat file | bin/decrypt [args]

Usage of bin/decrypt:
  -output string
        filename for decoded content or empty for STDOUT
  -parts string
        comma separated parts of the key

Encrypt file and share secret

Pre-requirements:

• Parts: 3 of 6
• Content: in file source.txt
• Encoded content: save to file encoded.txt

cat source.txt | bin/encrypt -parts 6 -threshhold 3 -output encoded.txt

Decrypt file with required parts of the key

Pre-requirements:

• Required parts: 3
• Encoded content: in file encoded.txt
• Result should be printed to STDOUT

cat encoded.txt | bin/decrypt -parts PART1,PART2,PART3