module NCipher

Constants

VERSION: バージョン番号

Public Class Methods

config() click to toggle source

# File lib/n_cipher/configuration.rb, line 38
def config
  @config ||= NCipher::Configuration.new
end

configure(&block) click to toggle source

# File lib/n_cipher/configuration.rb, line 42
def configure(&block)
  block.call(config)
end

decode(string) click to toggle source

# File lib/n_cipher.rb, line 18
def decode(string)
  string
    .to_str
    .split(NCipher.config.delimiter)
    .map {|char| char.gsub(/./, convert_table(:for => :decode)) }
    .map {|char| char.to_i(NCipher.config.seed.length) }
    .map {|char| [char].pack('U') }
    .join
end

encode(string) click to toggle source

# File lib/n_cipher.rb, line 9
def encode(string)
  string
    .to_str
    .unpack('U*')
    .map {|char| char.to_s(NCipher.config.seed.length) }
    .map {|char| char.gsub(/./, convert_table(:for => :encode)) }
    .join(NCipher.config.delimiter)
end

Private Class Methods

convert_table(param={:for => nil}) click to toggle source

# File lib/n_cipher.rb, line 46
def convert_table(param={:for => nil})
  table = [*'0'..'9', *'a'..'z'].zip(NCipher.config.seed).reject(&:one?).to_h
  case param[:for]
  when :encode then table
  when :decode then table.invert
  end
end