Initialization Vector
N/A
初始化向量
Initialization Vector · N/A · 初始化向量 · ih-nish-ul-ih-ZAY-shun VEK-ter · IV · crypto IV · Cryptography · encryption · block-cipher · basicsCryptographyIV crypto IV/ih-nish-ul-ih-ZAY-shun VEK-ter/
Also known as: IV, crypto IV
Last updated August 9, 2026
Definition
An initialization vector (IV) randomizes encryption so identical plaintexts encrypt to different ciphertexts — must not be reused carelessly with some modes.
Real-World Example
AES-CBC requiring a random IV prepended to each encrypted message.
References
Related terms
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