# cryptography

Pronunciation: US say "krip-TAHG-ruh-fee" /kɹɪpˈtɑɡ.ɹə.fi/; UK say "krip-TOG-ruh-fee" /kɹɪpˈtɒɡ.ɹə.fi/

## Noun

1. The field concerned with keeping communication secure: protecting the secrecy of messages, confirming who sent them, and making sure they aren't altered along the way.
   - Simple: The study of how to keep messages secret and safe so only the right people can read them.
   - _Modern cryptography underpins everything from secure messaging apps to online banking._
   - _She studied cryptography to understand how encrypted data resists tampering._

## Origin

Formed from the combining forms "crypto-" (hidden, secret) and "-graphy" (writing).

Source: DictionaryAI, https://dictionaryai.com/define/cryptography (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).