1) Cryptographic 2) Cryptographical 3) Cryptologic 4) Cryptological 5) Science 6) Scientific discipline 
[adj] - of or relating to cryptography
cryptanalysis, cryptanalytics, cryptanalytic, cryptanalytical The procedures and methods used in translating or interpreting codes and ciphers; the science or study of such procedures.
cryptographic adjective of or relating to cryptanalysis