Class: CaesarEncrypt

Inherits:
Object
  • Object
show all
Defined in:
lib/caesar_encrypt.rb

Class Method Summary collapse

Class Method Details

.encrypt(string, number, encrypt = true) ⇒ Object 



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# File 'lib/caesar_encrypt.rb', line 2

def self.encrypt(string, number, encrypt = true)
  encrypt_string = string.each_char.map do |letter|
    ord_letter = letter.ord
    index = encrypt ? ord_letter - number : ord_letter + number
    index.chr('UTF-8')
  end.join

  encrypt_string
end