cryptography Definition
the practice of protecting information by transforming it into an unreadable format, called cipher text.
Using cryptography: Examples
Take a moment to familiarize yourself with how "cryptography" can be used in various situations through the following examples!
Example
The government uses cryptography to protect classified information.
Example
Cryptography is used in online transactions to ensure secure communication.
Example
The history of cryptography dates back to ancient civilizations.
cryptography Synonyms and Antonyms
Synonyms for cryptography
- encryption
- secret writing
- code-making
Phrases with cryptography
public-key cryptography
a cryptographic system that uses two keys, a public key known to everyone and a private key known only to the recipient
Example
Public-key cryptography is widely used in secure online communication.
symmetric-key cryptography
a cryptographic system that uses the same key for both encryption and decryption
Example
Symmetric-key cryptography is faster than public-key cryptography but less secure.
a cryptographic system that uses quantum mechanics to ensure secure communication
Example
Quantum cryptography is considered to be unbreakable due to the laws of quantum physics.
Origins of cryptography
from Greek 'kryptos' meaning 'hidden' and 'graphein' meaning 'writing'
Summary: cryptography in Brief
Cryptography [kriptɒɡrəfi] is the practice of protecting information by transforming it into an unreadable format, called cipher text. It is used to ensure secure communication in online transactions and to protect classified information. Cryptography includes public-key cryptography, symmetric-key cryptography, and quantum cryptography.