Class: Dash::Password

Inherits:
Object
  • Object
show all
Defined in:
lib/dash/password.rb

Constant Summary collapse

STRONG = 
'ABCDEFGHJKLMNPQRSTUVWabcdefghijkmnopqrstuvw0123456789+/-_*()[]{}'
WEAK = 
'ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'
LENGTH = 
12

Class Method Summary collapse

Class Method Details

.encode(s, c) ⇒ Object 



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# File 'lib/dash/password.rb', line 17

def self.encode(s,c)
  (t=s.unpack('C*').inject([0,'',0]){|a,v|a[0]==0?[2,a[1]+c[v>>2,1],v*16&48]:a[0]==2?[4,a[1]+c[v>>4|a[2],1],v*4&60]:[0,a[1]+c[v>>6|a[2],1]+c[v&63,1],0]})[1]+(t[0]==0?'':t[0]==2?c[t[2],1]+'==':c[t[2],1]+'=')
end

.encrypt(key) ⇒ Object 



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# File 'lib/dash/password.rb', line 21

def self.encrypt(key)
  Digest::SHA2.new(256).hexdigest(key || '')
end

.generate(domain, password, weak = false, length = LENGTH) ⇒ Object 



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# File 'lib/dash/password.rb', line 9

def self.generate(domain, password, weak = false, length = LENGTH)
  key = encrypt password
  hash = encrypt "#{key}#{domain}"
  charset = (weak == true) ? WEAK : STRONG

  return encode(hash, charset)[0,length]
end