Class: Zold::Key

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

Overview

A key

Instance Method Summary collapse

Constructor Details

#initialize(file: nil, text: nil) ⇒ Key

Returns a new instance of Key.



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# File 'lib/zold/key.rb', line 33

def initialize(file: nil, text: nil)
  @body = lambda do
    unless file.nil?
      path = File.expand_path(file)
      unless File.exist?(path)
        raise "Can't find RSA key at #{file} (#{path})"
      end
      return File.read(path)
    end
    unless text.nil?
      return [
        '-----BEGIN PUBLIC KEY-----',
        text.gsub(/(?<=\G.{64})/, "\n"),
        '-----END PUBLIC KEY-----'
      ].join("\n")
    end
    raise 'Either file or text must be set'
  end
end

Instance Method Details

#sign(text) ⇒ Object 



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# File 'lib/zold/key.rb', line 61

def sign(text)
  Base64.encode64(rsa.sign(OpenSSL::Digest::SHA256.new, text)).delete("\n")
end

#to_pub ⇒ Object 



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# File 'lib/zold/key.rb', line 57

def to_pub
  to_s.delete("\n").gsub(/-{5}[ A-Z]+-{5}/, '')
end

#to_s ⇒ Object 



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# File 'lib/zold/key.rb', line 53

def to_s
  rsa.to_s.strip
end

#verify(signature, text) ⇒ Object 



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# File 'lib/zold/key.rb', line 65

def verify(signature, text)
  rsa.verify(OpenSSL::Digest::SHA256.new, Base64.decode64(signature), text)
end