зеркало из https://github.com/github/ruby.git
55 строки
1.2 KiB
Ruby
55 строки
1.2 KiB
Ruby
#!/usr/bin/env ruby
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require 'openssl'
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def crypt_by_password(alg, pass, salt, text)
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puts "--Setup--"
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puts %(cipher alg: "#{alg}")
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puts %(plain text: "#{text}")
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puts %(password: "#{pass}")
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puts %(salt: "#{salt}")
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puts
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puts "--Encrypting--"
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enc = OpenSSL::Cipher::Cipher.new(alg)
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enc.encrypt
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enc.pkcs5_keyivgen(pass, salt)
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cipher = enc.update(text)
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cipher << enc.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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dec = OpenSSL::Cipher::Cipher.new(alg)
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dec.decrypt
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dec.pkcs5_keyivgen(pass, salt)
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plain = dec.update(cipher)
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plain << dec.final
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puts %(decrypted text: "#{plain}")
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puts
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end
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def ciphers
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ciphers = OpenSSL::Cipher.ciphers.sort
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ciphers.each{|i|
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if i.upcase != i && ciphers.include?(i.upcase)
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ciphers.delete(i)
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end
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}
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return ciphers
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end
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puts "Supported ciphers in #{OpenSSL::OPENSSL_VERSION}:"
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ciphers.each_with_index{|name, i|
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printf("%-15s", name)
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puts if (i + 1) % 5 == 0
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}
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puts
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puts
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alg = ARGV.shift || ciphers.first
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pass = "secret password"
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salt = "8 octets" # or nil
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text = "abcdefghijklmnopqrstuvwxyz"
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crypt_by_password(alg, pass, salt, text)
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