Contents

# encoding: utf-8

module FFaker
  module IdentificationKr
    extend ModuleUtils
    extend self

    # Resident Registration Number
    # http://ko.wikipedia.org/wiki/%EC%A3%BC%EB%AF%BC%EB%93%B1%EB%A1%9D%EB%B2%88%ED%98%B8
    def rrn
      birth = [*Date.new(1970, 1, 1)..Date.new(1999, 12, 31)].sample.strftime("%y%d%m")
      sex = [1, 2].sample
      loc = FFaker.numerify("#{[*"00".."95"].sample}###")
      a, b, c, d, e, f, g, h, i, j, k, l = "#{birth}#{sex}#{loc}".split(//).map(&:to_i)
      checksum = (11 - (2 * a + 3 * b + 4 * c + 5 * d + 6 * e + 7 * f + 8 * g + 9 * h + 2 * i + 3 * j + 4 * k + 5 * l) % 11) % 10
      "#{birth}-#{sex}#{loc}#{checksum}"
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
ffaker-2.2.0	lib/ffaker/identification_kr.rb
ffaker-2.1.0	lib/ffaker/identification_kr.rb