Module: Dolla::EncryptionTools

Included in:
Gateway
Defined in:
lib/dolla/encryption_tools.rb

Instance Method Summary collapse

Instance Method Details

#build_digest(*ary) ⇒ Object 



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# File 'lib/dolla/encryption_tools.rb', line 6

def build_digest *ary
  sha1  = HMAC::SHA1.new Dolla.configuration.hmac_key
  sha1 << ary.join

  sha1.to_s
end

#decimal_format(value) ⇒ Object 



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# File 'lib/dolla/encryption_tools.rb', line 25

def decimal_format value
  sprintf "%0.2f", value
end

#padding(key) ⇒ Object 



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# File 'lib/dolla/encryption_tools.rb', line 13

def padding(key)
  final_key = "\0" * 16
  key.length.times { |i| final_key[i%16] ^= key[i] }

  final_key
end

#rijndael_encrypt(value) ⇒ Object 



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# File 'lib/dolla/encryption_tools.rb', line 20

def rijndael_encrypt( value )
  rijndael = Crypt::Rijndael.new Base64.decode64(Dolla.configuration.rijndael_key), 128
  Base64.encode64( rijndael.encrypt_block( padding value ) ).strip
end