Module: Spreadsheet::Excel::Password

Defined in:
lib/spreadsheet/excel/password_hash.rb

Class Method Summary collapse

Class Method Details

.password_hash(password) ⇒ Object

Makes an excel-compatible hash


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# File 'lib/spreadsheet/excel/password_hash.rb', line 7

def password_hash(password)
  hash = 0
  password.chars.reverse_each { |chr| hash = rol15(hash ^ chr[0].ord) }
  hash ^ password.size ^ 0xCE4B
end