gistfile1.txt

rubysl-openssl: 2.3.0
rubysl-digest:  2.0.7
Starting threads...
expected 56397360f80a778204fb02da0c6590613ae45f7b5335f8cd8db46a809bd33ce5 to equal 83103cff21a7a50e45eb90c29ca9d24204d95fe7369565ec1d5339750da386ab
expected 56397360f80a778204fb02da0c6590613ae45f7b5335f8cd8db46a809bd33ce5 to equal 83103cff21a7a50e45eb90c29ca9d24204d95fe7369565ec1d5339750da386ab
expected 70b9d40465992fa71a861e050481fb1a4bed5c8aa127272e7bf5838a3b0ab240 to equal 83103cff21a7a50e45eb90c29ca9d24204d95fe7369565ec1d5339750da386ab
expected 70b9d40465992fa71a861e050481fb1a4bed5c8aa127272e7bf5838a3b0ab240 to equal 83103cff21a7a50e45eb90c29ca9d24204d95fe7369565ec1d5339750da386ab
expected 9292f26a8d1ce66f44eda88a679821f650e1d523ce6d1cff9d3e2ebfc79a3499 to equal 83103cff21a7a50e45eb90c29ca9d24204d95fe7369565ec1d5339750da386ab
expected 9292f26a8d1ce66f44eda88a679821f650e1d523ce6d1cff9d3e2ebfc79a3499 to equal 83103cff21a7a50e45eb90c29ca9d24204d95fe7369565ec1d5339750da386ab
expected 70b9d40465992fa71a861e050481fb1a4bed5c8aa127272e7bf5838a3b0ab240 to equal 83103cff21a7a50e45eb90c29ca9d24204d95fe7369565ec1d5339750da386ab

openssl.rb

require 'openssl'
require 'thread'

puts "rubysl-openssl: #{RubySL::OpenSSL::VERSION}"
puts "rubysl-digest:  #{RubySL::Digest::VERSION}"

Thread.abort_on_exception = true

input  = 'the cake is possibly a lie'
digest = OpenSSL::Digest::SHA256.new

digest.update(input)

expected = digest.hexdigest
output   = Queue.new

puts 'Starting threads...'

threads = 10.times.map do
  Thread.new do
    loop do
      digest = OpenSSL::Digest::SHA256.new
      digest.update(input)

      got = digest.hexdigest

      if got != expected
        output << got
        break
      end
    end
  end
end

until output.empty?
  got = output.pop

  puts "expected #{got} to equal #{expected}"
end

threads.each(&:join)