class Cipher

Public Class Methods

decrypt(encrypted, salt) click to toggle source

# File lib/cipher.rb, line 18
def self.decrypt(encrypted, salt)
  key, iv = salt.split(":")
  iv = Base64.decode64(iv.encode("ascii-8bit"))
  cipher = OpenSSL::Cipher.new("aes-256-cbc")
  cipher.decrypt
  cipher.key = key
  cipher.iv = iv
  decrypted = cipher.update(Base64.decode64(encrypted.encode("ascii-8bit")))
  decrypted << cipher.final
  decrypted
end

encrypt(text) click to toggle source

# File lib/cipher.rb, line 6
def self.encrypt(text)
  cipher = OpenSSL::Cipher.new("aes-256-cbc")
  cipher.encrypt
  key = Digest::SHA1.hexdigest("yourpass")[0..31]
  iv = cipher.random_iv
  cipher.key = key
  cipher.iv = iv
  encrypted = cipher.update(text)
  encrypted << cipher.final
  ["#{key}:#{Base64.encode64(iv).encode("utf-8")}", Base64.encode64(encrypted).encode("utf-8")]
end