noun (n)

• the science of analyzing and deciphering codes and ciphers and cryptograms

  ilmu menganalisis dan menafsirkan kode dan dan sifer cryptograms

  Synonym:
  cryptanalysis, cryptanalytics, cryptology
  

  source: wordnet30
• act of writing in code or cipher

  tindakan atau menulis dalam kode sandi

  Synonym:
  coding, secret writing, steganography
  

  source: wordnet30
• The act or art of writing in secret characters; also, secret characters, or cipher.

  tindakan atau seni menulis secara rahsia aksara; juga, aksara rahasia, atau sandi.

  source: webster1913