Hash Function
N/A
哈希函数
Hash Function · N/A · 哈希函数 · hash FUNK-shun · cryptographic hash · digest function · Cryptography · integrity · passwords · basicsCryptographycryptographic hash digest function/hash FUNK-shun/
Also known as: cryptographic hash, digest function
Last updated August 9, 2026
Definition
A cryptographic hash function turns data into a fixed-length fingerprint. Tiny input changes produce very different outputs; hashes are not meant to be reversed.
Real-World Example
Password managers and websites store password hashes so they can check logins without keeping your actual password.
References
Related terms
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