fcrypt_preparekey(9)

💅 fcrypt_preparekey(9) — like, the Kernel API Manual page, bestie 🎀

okay so this is a page from the Kernel API Manual, and it's about fcrypt_preparekey — yes that's the whole name, we're doing the (9) section thing, very kernel of us ✨

🌸 NAME 🌸

fcrypt_preparekey — Prepare a key for FCrypt encryption and decryption 💖

✨ SYNOPSIS ✨

void fcrypt_preparekey (struct fcrypt_key *key , const u8
raw_key[FCRYPT_BSIZE] );

like literally that's it, that's the whole signature 🫶

🦋 ARGUMENTS 🦋

• key — (out) The prepared key. yep, it's an output, so this is where the good stuff lands 💅
• raw_key — The raw key as an 8-byte array. no cap, eight whole bytes 🍓

🔥 DESCRIPTION 🔥

This computes the FCrypt key schedule. that's the vibe — you hand it the raw key, it does the key-schedule thing, and key comes out all prepared and ready to slay 👑

🌈 SEE ALSO 🌈

• Kernel file ./net/rxrpc/fcrypt.c
• fcrypt_pcbc_encrypt(9)
• fcrypt_pcbc_decrypt(9)

okay bestie that's the page 💜 one last thing so you have the receipts: this came from ./net/rxrpc, dated October 2026, and the page is fcrypt_preparekey(9) — iykyk, go forth and encrypt fr fr 🌸🧚‍♀️