30 lines
616 B
Ruby
30 lines
616 B
Ruby
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#!/usr/bin/env ruby
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require 'openssl'
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text = "abcdefghijklmnopqrstuvwxyz"
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key = "key"
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alg = "DES-EDE3-CBC"
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#alg = "AES-128-CBC"
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puts "--Setup--"
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puts %(clear text: "#{text}")
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puts %(symmetric key: "#{key}")
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puts %(cipher alg: "#{alg}")
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puts
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puts "--Encrypting--"
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des = OpenSSL::Cipher::Cipher.new(alg)
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des.encrypt(key) #, "iv12345678")
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cipher = des.update(text)
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cipher << des.final
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puts %(encrypted text: #{cipher.inspect})
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puts
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puts "--Decrypting--"
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des = OpenSSL::Cipher::Cipher.new(alg)
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des.decrypt(key) #, "iv12345678")
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out = des.update(cipher)
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out << des.final
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puts %(decrypted text: "#{out}")
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puts
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