security_key_permission(9)

📦 version 7.3.1, in nixpkgs unstable

💖 security_key_permission(9) 💖

okay bestie, welcome to the Kernel API Manual — this is the group chat for security_key_permission(9), and yes, she's the main character of key-permission checks. no cap, she's here to check if a kernel key operation is allowed, and she's gonna tell you exactly how. 💅✨

✨ NAME ✨

security_key_permission — Check if a kernel key operation is allowed. That's the whole vibe check, fr fr. 🎀

🌸 SYNOPSIS 🌸

int security_key_permission (key_ref_t key_ref , const struct cred *cred
, enum key_need_perm need_perm );

🎀 ARGUMENTS 🎀

okay so these three are the whole cast, and every one of them matters. 🫶

  • key_ref — key reference.
  • cred — credentials of actor requesting access.
  • need_perm — requested permissions.

💅 DESCRIPTION 💅

See whether a specific operational right is granted to a process on a key. That's it, that's the plot — lowkey iconic. 💖

🔥 RETURN 🔥

Return 0 if permission is granted, -ve error otherwise. no cap: 0 is the slay outcome, -ve is the not-slaying outcome. 😭

🌈 SEE ALSO 🌈

okay bestie, the entire reference friend group pulled up — every single one is here, no one left behind, iykyk: ✨

xoxo, your girl 💖 — from the ./security source, dated October 2026, signing off as security_key_permission(9). periodt. 💅🌈

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