Ma'anar ƙamus na "cryptanalysis" shine nazari ko aiki na nazari da tantance lambobi, ciphers, da saƙon da aka ɓoye. Ya ƙunshi amfani da dabaru daban-daban kamar ƙididdiga na ƙididdiga, nazarin mita, da ƙirƙira ƙira don buɗe ma'anar saƙon sirri da aka ɓoye ko ɓoye. Ana amfani da Cryptanalysis a fagage daban-daban kamar cryptography, tsaro na kwamfuta, hankali, da tabbatar da doka.
