Wiktionary
cryptographically
adv. in a cryptographic manner; using cryptography; for cryptographic purposes
WordNet
cryptographically
adv. in a cryptographic manner
Usage examples of "cryptographically".
Friedman, Chief Cryptanalyst of the Army Signal Corps, a team of codebreakers had solved Japan's enciphered dispatches, deduced the nature of the mechanism that would effect those letter transformations, and painstakingly built up an apparatus that cryptographically duplicated the Japanese machine.