Module: HELPEMA::SSSS

Defined in:
lib/helpema/ssss.rb

Class Method Summary collapse

Class Method Details

.combine(*pwds) ⇒ Object 



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# File 'lib/helpema/ssss.rb', line 24

def self.combine(*pwds)
  pwd = ''
  Open3.popen3("ssss-combine -q -t #{pwds.length}") do |stdin, stdout, stderr|
    pwds.each{|p| stdin.puts p}
    stdin.close
    pwd = stderr.read.split("\n").last
  end
  return pwd
end

.split(secret, t0 = 2, n0 = 3, t: t0, n: n0, threshold: t, shares: n, w: nil, s: nil, x: false, token: w, level: s, hexmode: x) ⇒ Object

Note how the function mirrors the command line options.



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# File 'lib/helpema/ssss.rb', line 6

def self.split(secret, t0=2, n0=3,
               t: t0, n: n0,
               threshold: t, shares: n,
               w: nil, s: nil, x: false,
               token: w, level: s, hexmode: x)
  pwds = nil
  command = "ssss-split -Q -t #{threshold} -n #{shares}"
  command << " -w #{token}"  if token
  command << " -s #{level}"  if level
  command << " -x"           if hexmode
  Open3.popen3(command) do |stdin, stdout, stderr|
    stdin.puts secret
    stdin.close
    pwds = stdout.read.split("\n")
  end
  return pwds
end