| Current Path : /usr/local/share/examples/ruby18/openssl/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/local/share/examples/ruby18/openssl/cipher.rb |
#!/usr/bin/env ruby
require 'openssl'
text = "abcdefghijklmnopqrstuvwxyz"
pass = "secret password"
salt = "8 octets" # or nil
alg = "DES-EDE3-CBC"
#alg = "AES-128-CBC"
puts "--Setup--"
puts %(clear text: "#{text}")
puts %(password: "#{pass}")
puts %(salt: "#{salt}")
puts %(cipher alg: "#{alg}")
puts
puts "--Encrypting--"
des = OpenSSL::Cipher::Cipher.new(alg)
des.pkcs5_keyivgen(pass, salt)
des.encrypt
cipher = des.update(text)
cipher << des.final
puts %(encrypted text: #{cipher.inspect})
puts
puts "--Decrypting--"
des = OpenSSL::Cipher::Cipher.new(alg)
des.pkcs5_keyivgen(pass, salt)
des.decrypt
out = des.update(cipher)
out << des.final
puts %(decrypted text: "#{out}")
puts