OPENSSL-CORE_DISPATCH.H(7ossl)

💅 OPENSSL-CORE_DISPATCH.H(7ossl) 💅

okay so bestie, welcome to the openssl-core_dispatch.h page — section 7 of the ossl manual, and honestly? it's a short one, we love a low-effort icon. ✨

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🌸 NAME 🌸

openssl/core_dispatch.h — literally the OpenSSL provider dispatch numbers and function types. that's it, that's the whole vibe. 🎀

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🦋 SYNOPSIS 🦋

#include <openssl/core_dispatch.h>

like, include it and you're in. no cap. 💅

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✨ DESCRIPTION ✨

so the header <openssl/core_dispatch.h> defines all the operation numbers, dispatch numbers, and provider interface function types that are currently available. all of them. the whole collection. it's giving backstage pass to the provider world. 🫶

the operation and dispatch numbers are represented with macros, and they're named like this:

🔥 operation numbers 🔥

these macros have the form OSSL_OP_opname. that's the pattern, memorize it, it's not deep.

⭐ dispatch numbers ⭐

these macros have the form OSSL_FUNC_opname_funcname, where opname is the same as in the macro for the operation this function belongs to. so like, the names line up on purpose. matchy matchy. iykyk. 💖

and yeah — with every dispatch number, there is an associated function type. one-to-one, bestie. it comes as a package deal. 👑

for further information, please see provider(7) — go read it, it's the lore. 📖

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🌈 SEE ALSO 🌈

• provider(7)

that's it. one (1) reference. minimalism ate. 🍓

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🧚 HISTORY 🧚

the types and macros described here were added in OpenSSL 3.0. so if you're on something older... yeah, no. 😭

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💜 COPYRIGHT 💜

Copyright 2020 The OpenSSL Project Authors. All Rights Reserved.

Licensed under the Apache License 2.0 (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <https://www.openssl.org/source/license.html>.

fr fr read the license before you go copy-pasting anything, it's not a suggestion 💀

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and that's the page, babe — brought to you by version 3.5.0, dated 2026-09-25, filed under OPENSSL-CORE_DISPATCH.H(7ossl). go forth and dispatch responsibly. mwah. 🫶💅✨