register_key_type(9)

💅 register_key_type(9) 💅

okay so this is a page from the Kernel API Manual — yes, that Kernel API Manual, the one your kernel-dev bestie keeps talking about 🐧✨ pull up a chair.

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🌸 NAME 🌸

register_key_type — bestie, it registers a type of key. that's the whole vibe. 💫

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🎀 SYNOPSIS 🎀

int register_key_type (struct key_type *ktype );

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🦋 ARGUMENTS 🦋

• ktype — the brand-new key type, the main character of this function call 👑 this is the thing you're putting on the registry.

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💖 DESCRIPTION 💖

so like, it registers a new key type. that's it, that's the function, and honestly? iconic for it. ✨

she returns 0 on success 🎉 or -EEXIST if a type with this name is already out here existing — like sorry bestie, the name's taken, that's not your handle 😭💀

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🌈 SEE ALSO 🌈

• the Kernel file ./security/keys/key.c — go read it, iykyk 📖
• key_alloc(9)
• key_payload_reserve(9)
• key_instantiate_and_link(9)
• key_reject_and_link(9)
• key_put(9)
• key_create_or_update(9)
• key_create(9)
• key_update(9)
• key_revoke(9)
• key_invalidate(9)
• generic_key_instantiate(9)
• unregister_key_type(9) — the opposite-energy bestie, the un-registerer 🫶

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lowkey a tiny function but highkey important — don't skip the -EEXIST check, fr fr 💅

mwah, that's the page!! this lil beauty lives in ./security/keys and the version stamp says October 2026 — so yes, she's timestamped and official 🎀🦋 see u in the next man page bestie, slay 💜✨