siphash(9)

🎀 NAME 🎀

okay so welcome to the Kernel API Manual, bestie — this page is siphash(9), and siphash is literally here to compute 64-bit siphash PRF value. That's the whole name vibe. 💅

✨ SYNOPSIS ✨

u64 siphash (const void *data , size_t len , const siphash_key_t *key );

🌸 ARGUMENTS 🌸

• data — the buffer to hash. That’s the thing you’re pointing at, bestie. 🫶
• len — size of data. Literally how much of it we’re looking at. ✨
• key — the siphash key. It’s giving key energy. 🔑

💖 RETURN 💖

The siphash PRF value. That’s it. That’s the return. 👑

🦋 SEE ALSO 🦋

• Kernel file ./include/linux/siphash.h
• hsiphash(9)

💜 source/version: ./include/linux · date: October 2026 · siphash(9) — bye bestie, mwah 💅