ntc-rcrypto

ntc-rcrypto

ntc-rcrypto is a module ruby cryptography.

Installation

Add this line to your application's Gemfile:

gem 'ntc-rcrypto'

And then execute:

bundle install

Or install it yourself as:

gem install ntc-rcrypto

1. An implementation of Shamir's Secret Sharing Algorithm 256-bits in Ruby

Usage

Use encode/decode Base64Url

require 'rcrypto'

sss = Rcrypto::SSS.new

s = "nghiatcxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
puts s
puts s.length
# creates a set of shares
arr = sss.create(3, 6, s, true)
# puts arr

# combines shares into secret
s1 = sss.combine(arr[0...3], true)
puts s1
puts s1.length

s2 = sss.combine(arr[3...6], true)
puts s2
puts s2.length

s3 = sss.combine(arr[1...5], true)
puts s3
puts s3.length

Use encode/decode Hex

require 'rcrypto'

sss = Rcrypto::SSS.new

s = "nghiatcxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
puts s
puts s.length
# creates a set of shares
arr = sss.create(3, 6, s, false)
# puts arr

# combines shares into secret
s1 = sss.combine(arr[0...3], false)
puts s1
puts s1.length

s2 = sss.combine(arr[3...6], false)
puts s2
puts s2.length

s3 = sss.combine(arr[1...5], false)
puts s3
puts s3.length

License

This code is under the Apache License v2.