encryption
en-KRIP-shun
/ɪnˈkrɪpʃən/
The process of converting information or data into a code, especially to prevent unauthorized access.
Focuses on the protection of data by making it unreadable without a key.
The story behind the word. From the Greek 'kryptos,' meaning 'hidden.' For centuries, encryption was the domain of kings and generals (using ciphers like Caesar's). In the digital age, it moved from the battlefield to the browser to protect everything from credit cards to private chats.
Word relationships
- encoding: Encoding is for data format; encryption is for data security.
- ciphering: An older, more mathematical term for the same process.
- decryption: The process of converting coded data back into its original form.
Word family
- encrypt (verb): To convert data into code.
- cryptography (noun): The study of techniques for secure communication.
Collocations
- data encryption
- encryption key
- end-to-end encryption
Example sentences
- "Our app uses end-to-end encryption to ensure that only you and the person you are communicating with can read your messages." A privacy policy for a messaging app.
- "The encryption used by the Enigma machine was thought to be unbreakable until Alan Turing's team intervened." A historical account of code-breaking.
Memory hook
Putting your data in a 'crypt' where no one can see it. Hidden in plain sight.
When not to use
Don't confuse with 'hashing,' which is a one-way process; encryption is designed to be reversible with the right key.
Fun facts
- The 'Caesar Cipher' shifted letters by three positions (A became D) to hide messages from enemies.
Related words
Explore more words
confidentiality, data protection, Code, cybersecurity, authentication, ransomware
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