cryptography
n. C1 Advanced UK //kɹɪptˈɒɡɹəfi// cryp·tog·ra·phy
n. the practice of using secret codes to keep information safe. It involves turning normal text into a secret code so only the right people can read it.
n. the art or science of writing or solving codes. Involves the transformation of data into a secure format to prevent unauthorized access.
Cryptography is essential for keeping online banking secure.
Modern cryptography uses complex mathematical algorithms to ensure that even if someone intercepts the data, they cannot read it.
The development of public-key cryptography revolutionized digital security by allowing two parties to communicate privately without having to share a secret key in advance.
From crypto- + -graphy.