blake2b_update(9)

okay so this is blake2b_update(9) from the Kernel API Manual, and it’s literally the glow-up your BLAKE2b context needs when fresh message data shows up. no cap 💅

💖 NAME 💖

blake2b_update — update a BLAKE2b context with message data ✨

🌸 SYNOPSIS 🌸

void blake2b_update (struct blake2b_ctx *ctx , const u8 *in , size_t
       inlen );

🎀 ARGUMENTS 🎀

• ctx — the context you’re updating; bestie, it must have been initialized first, no exceptions 💅
• in — the message data itself 🦋
• inlen — how long that data is, in bytes 🔥

✨ DESCRIPTION ✨

This can be called any number of times. Like, any number — it’s not gonna clutch its pearls about it 😭💖

🌈 CONTEXT 🌈

Any context. That’s it, that’s the vibe 🫶

👑 SEE ALSO 👑

Kernel file ./include/crypto/blake2b.h, struct blake2b_ctx(9), blake2b_init(9), blake2b_init_key(9), blake2b_final(9), and blake2b(9) — go read those too, iykyk 💜

okay that’s the whole page, bestie 🫶 this lil beauty comes from ./include/crypto and is dated October 2026. slay 💅