cryptography
English meaning: Cryptography
English Definition
(English)Cryptography (Greek: kryptos = hidden + graphein = to write) transforms readable data (plaintext) into an unreadable form (ciphertext) using mathematical algorithms and keys. Symmetric encryption uses the same key to encrypt and decrypt; asymmetric (public-key) cryptography uses a public key to encrypt and a private key to decrypt. SSL/TLS protocols protecting websites, end-to-end encrypted messaging, and digital signatures all rely on cryptographic algorithms.
English Definition
The practice and study of techniques for secure communication in the presence of adversaries — encrypting data so only intended recipients can read it. Modern cryptography underpins internet security, banking, private messaging, and digital signatures.
Example
“The HTTPS protocol that secures web browsing relies on public-key cryptography — ensuring that data exchanged between your browser and a website cannot be intercepted.”
In English: “HTTPS encryption uses public-key cryptography to secure all data transmitted between users and websites.”
Synonyms
- encryption
- cipher
- data security
Antonyms / Opposites
- plaintext
- decryption
- exposure
Literary Heritage
“Where is the wisdom we have lost in knowledge? Where is the knowledge we have lost in information?”
“Where is the wisdom we have lost in knowledge? Where is the knowledge we have lost in information?”
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