CTLOG_STORE_GET0_LOG_BY_ID(3ossl)

💖 CTLOG_STORE_get0_log_by_id 💖

okay so this is the 3ossl manual page, and bestie we are literally looking up a Certificate Transparency log by its LogID. slay. ✨

🌸 NAME 🌸

CTLOG_STORE_get0_log_by_id — get a Certificate Transparency log from a CTLOG_STORE. no cap. 🎀

✨ SYNOPSIS ✨

#include <openssl/ct.h>

const CTLOG *CTLOG_STORE_get0_log_by_id(const CTLOG_STORE *store,
                                        const uint8_t *log_id,
                                        size_t log_id_len);

🦋 DESCRIPTION 🦋

A Signed Certificate Timestamp (SCT) identifies the Certificate Transparency (CT) log that issued it using the log’s LogID — see RFC 6962, Section 3.2. so iconic. 💅

because of that, it’s genuinely useful to be able to look up more info about a log (e.g. its public key) using this LogID. yup, main character behavior. 👑

CTLOG_STORE_get0_log_by_id() is the way to do this. It will find a CTLOG in a CTLOG_STORE that has a given LogID. periodt. 💖

🌈 RETURN VALUES 🌈

CTLOG_STORE_get0_log_by_id returns a CTLOG with the given LogID, if it exists in the given CTLOG_STORE, otherwise it returns NULL. that’s the whole vibe check. ✅

🫶 SEE ALSO 🫶

• ct(7)
• CTLOG_STORE_new(3)

⭐ HISTORY ⭐

The CTLOG_STORE_get0_log_by_id() function was added in OpenSSL 1.1.0. vintage but still eating. 🍓

💜 COPYRIGHT 💜

Copyright 2016 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>.

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made with 💖 on the 3.5.6 edition, dated 2026-04-07, for the CTLOG_STORE_GET0_LOG_BY_ID(3ossl) manual page — bye bestie! 🫶✨