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download PDF document: CTLOG_get0_public_key.3.pdf

CTLOG_NEW(3ossl) OpenSSL CTLOG_NEW(3ossl)

NAME CTLOG_new_ex, CTLOG_new, CTLOG_new_from_base64, CTLOG_new_from_base64_ex, CTLOG_free, CTLOG_get0_name, CTLOG_get0_log_id, CTLOG_get0_public_key - encapsulates information about a Certificate Transparency log
SYNOPSIS #include <openssl/ct.h>
CTLOG *CTLOG_new_ex(EVP_PKEY *public_key, const char *name, OSSL_LIB_CTX *libctx, const char *propq); CTLOG *CTLOG_new(EVP_PKEY *public_key, const char *name);
int CTLOG_new_from_base64_ex(CTLOG **ct_log, const char *pkey_base64, const char *name, OSSL_LIB_CTX *libctx, const char *propq); int CTLOG_new_from_base64(CTLOG ** ct_log, const char *pkey_base64, const char *name); void CTLOG_free(CTLOG *log); const char *CTLOG_get0_name(const CTLOG *log); void CTLOG_get0_log_id(const CTLOG *log, const uint8_t **log_id, size_t *log_id_len); EVP_PKEY *CTLOG_get0_public_key(const CTLOG *log);
DESCRIPTION CTLOG_new_ex() returns a new CTLOG that represents the Certificate Transparency (CT) log with the given public key and associates it with the library context libctx and property query string propq. A name must also be provided that can be used to help users identify this log. Ownership of the public key is transferred.
CTLOG_new() does the same thing as CTLOG_new_ex() but with the default library context and the default property query string.
CTLOG_new_from_base64_ex() also creates a new CTLOG, but takes the public key in base64-encoded DER form and sets the ct_log pointer to point to the new CTLOG. The base64 will be decoded and the public key parsed. The CTLOG will be associated with the given library context libctx and property query string propq.
CTLOG_new_from_base64() does the same thing as CTLOG_new_from_base64_ex() except that the default library context and property query string are used.
Regardless of whether CTLOG_new() or CTLOG_new_from_base64() is used, it is the caller's responsibility to pass the CTLOG to CTLOG_free() once it is no longer needed. This will delete it and, if created by CTLOG_new(), the EVP_PKEY that was passed to it.
CTLOG_get0_name() returns the name of the log, as provided when the CTLOG was created. Ownership of the string remains with the CTLOG.
CTLOG_get0_log_id() sets *log_id to point to a string containing that log's LogID (see RFC 6962). It sets *log_id_len to the length of that LogID. For a v1 CT log, the LogID will be a SHA-256 hash (i.e. 32 bytes long). Ownership of the string remains with the CTLOG. CTLOG_new_from_base64() will return 1 on success, 0 otherwise.
SEE ALSO ct(7)
HISTORY The functions CTLOG_new_ex() and CTLOG_new_from_base64_ex() were added in OpenSSL 3.0. All other functions were added in OpenSSL 1.1.0.
COPYRIGHT Copyright 2016-2020 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>.
3.0.11 2023-09-19 CTLOG_NEW(3ossl)