class Mechanize::Form::Keygen

This class represents a keygen (public / private key generator) found in a Form. The field will automatically generate a key pair and compute its own value to match the challenge. Call key to access the public/private key pair.

Attributes

challenge[R]

The challenge for this <keygen>.

key[R]

The key associated with this <keygen> tag.

Public Class Methods

new(node, value = nil) click to toggle source

Calls superclass method Mechanize::Form::Field.new

# File lib/mechanize/form/keygen.rb, line 14
def initialize(node, value = nil)
  super
  @challenge = node['challenge']

  @spki = OpenSSL::Netscape::SPKI.new
  @spki.challenge = @challenge

  @key = nil
  generate_key if value.nil? || value.empty?
end

Public Instance Methods

generate_key(key_size = 2048) click to toggle source

Generates a key pair and sets the field's value.

# File lib/mechanize/form/keygen.rb, line 26
def generate_key(key_size = 2048)
  # Spec at http://dev.w3.org/html5/spec/Overview.html#the-keygen-element
  @key = OpenSSL::PKey::RSA.new key_size
  @spki.public_key = @key.public_key
  @spki.sign @key, OpenSSL::Digest::MD5.new
  self.value = @spki.to_pem
end