md5 hash

sample.rb

#require "digest"

password = 'user02'
key = '$apr1$'
salt = 'PD3O5t9N'

h1 = Digest::MD5.new
h1.update(password)
h1.update(key)
h1.update(salt)

h2 = Digest::MD5.new
h2.update(password)
h2.update(salt)
h2.update(password)
final = h2.digest

h1.update(final[0, password.length])

puts h1.hexdigest
# ruby => 32225a00ac387c93fa00296d88999851
# mruby-digest => 64ecd575be6825aea092953373318a5c