Class: Cript::Hidr

Inherits:
Object
  • Object
show all
Defined in:
lib/cript/hidr.rb

Overview

Hidr can be used to obscure strings in other utf-8 strings. This is not encryption, and it’s not secure!

Constant Summary collapse

CHARS = 
{
  ascii:   ["\s","\t"],
  unicode: ["\u200B","\uFEFF"],
  orly:    ["\u0CA0", "\u005F"]
}

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*o) ⇒ Hidr

Returns a new instance of Hidr.



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# File 'lib/cript/hidr.rb', line 25

def initialize(*o)
  @o = o.last.is_a?(Hash) ? o.pop : {}
  @o[:b0] ||= CHARS[:ascii].first
  @o[:b1] ||= CHARS[:ascii].last
end

Class Method Details

.build(type) ⇒ Object 



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# File 'lib/cript/hidr.rb', line 17

def build(type)
  if CHARS.has_key?(type)
    new(b0: CHARS[type].first, b1: CHARS[type].last)
  end
end

Instance Method Details

#e(o) ⇒ Object 



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# File 'lib/cript/hidr.rb', line 33

def e(o);s(h(o));end

#h(m) ⇒ Object 



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# File 'lib/cript/hidr.rb', line 31

def h(m);m.unpack('b*').first.split("").map{|v|v=='0'?@o[:b0]:@o[:b1]}.join;end

#s(n) ⇒ Object 



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

def s(n);[n.chars.to_a.map{|y|y==@o[:b0]?'0':'1'}.join].pack('b*');end