Class: Cript::Naive

Inherits:
Cripter show all
Defined in:
lib/cript/naive.rb

Overview

Cript::Naive uses rsa keys to encrypt data. It allows you to easily encrypt and decrypt strings. Performance is poor because rsa public keys were not meant to do this.

Defined Under Namespace

Classes: Error

Instance Method Summary collapse

Methods inherited from Cripter

#echo

Constructor Details

#initialize(options = {}) ⇒ Naive

Options: public_key_content private_key_content

public_key_path private_key_path

passphrase

type size fingerprint comment



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# File 'lib/cript/naive.rb', line 28

def initialize(options = {})
  super
end

Instance Method Details

#comment ⇒ Object 



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# File 'lib/cript/naive.rb', line 48

def comment
  @opt[:comment] || key_info[:comment]
end

#decrypt(message) ⇒ Object 



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# File 'lib/cript/naive.rb', line 61

def decrypt(message)
  Base64::decode64(message).
    bytes.
    each_slice(size / 8).
    map { |chunk| @private_key.private_decrypt(chunk.pack('C*')) }.
    join
end

#encrypt(message) ⇒ Object 



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# File 'lib/cript/naive.rb', line 52

def encrypt(message)
  Base64::encode64(
    message.
    bytes.
    each_slice((size / 8) - 11).
    map { |chunk| @public_key.public_encrypt(chunk.pack('C*')) }.
    join)
end

#fingerprint ⇒ Object 



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# File 'lib/cript/naive.rb', line 44

def fingerprint
  @opt[:fingerprint] || key_info[:fingerprint]
end

#inspect ⇒ Object 



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# File 'lib/cript/naive.rb', line 32

def inspect
  "#<#{self.class.name} path=#{@opt[:public_key_path]}>"
end

#size ⇒ Object 



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# File 'lib/cript/naive.rb', line 40

def size
  @opt[:size] || key_info[:size]
end

#type ⇒ Object 



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# File 'lib/cript/naive.rb', line 36

def type
  @opt[:type] || key_info[:type]
end