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91 lines
3.4 KiB
Plaintext
91 lines
3.4 KiB
Plaintext
=pod
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=head1 NAME
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CTLOG_new_ex, CTLOG_new, CTLOG_new_from_base64,
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CTLOG_new_from_base64_ex, CTLOG_free,
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CTLOG_get0_name, CTLOG_get0_log_id, CTLOG_get0_public_key -
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encapsulates information about a Certificate Transparency log
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=head1 SYNOPSIS
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#include <openssl/ct.h>
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CTLOG *CTLOG_new_ex(EVP_PKEY *public_key, const char *name,
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OSSL_LIB_CTX *libctx, const char *propq);
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CTLOG *CTLOG_new(EVP_PKEY *public_key, const char *name);
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int CTLOG_new_from_base64_ex(CTLOG **ct_log, const char *pkey_base64,
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const char *name, OSSL_LIB_CTX *libctx,
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const char *propq);
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int CTLOG_new_from_base64(CTLOG ** ct_log,
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const char *pkey_base64, const char *name);
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void CTLOG_free(CTLOG *log);
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const char *CTLOG_get0_name(const CTLOG *log);
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void CTLOG_get0_log_id(const CTLOG *log, const uint8_t **log_id,
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size_t *log_id_len);
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EVP_PKEY *CTLOG_get0_public_key(const CTLOG *log);
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=head1 DESCRIPTION
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CTLOG_new_ex() returns a new CTLOG that represents the Certificate
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Transparency (CT) log with the given public key and associates it with the
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library context I<libctx> and property query string I<propq>. A name must also
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be provided that can be used to help users identify this log. Ownership of the
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public key is transferred.
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CTLOG_new() does the same thing as CTLOG_new_ex() but with the default
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library context and the default property query string.
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CTLOG_new_from_base64_ex() also creates a new CTLOG, but takes the
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public key in base64-encoded DER form and sets the ct_log pointer to point to
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the new CTLOG. The base64 will be decoded and the public key parsed. The CTLOG
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will be associated with the given library context I<libctx> and property query
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string I<propq>.
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CTLOG_new_from_base64() does the same thing as
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CTLOG_new_from_base64_ex() except that the default library context and
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property query string are used.
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Regardless of whether CTLOG_new() or CTLOG_new_from_base64() is used, it is the
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caller's responsibility to pass the CTLOG to CTLOG_free() once it is no longer
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needed. This will delete it and, if created by CTLOG_new(), the EVP_PKEY that
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was passed to it. If the argument to CTLOG_free() is NULL, nothing is done.
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CTLOG_get0_name() returns the name of the log, as provided when the CTLOG was
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created. Ownership of the string remains with the CTLOG.
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CTLOG_get0_log_id() sets *log_id to point to a string containing that log's
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LogID (see RFC 6962). It sets *log_id_len to the length of that LogID. For a
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v1 CT log, the LogID will be a SHA-256 hash (i.e. 32 bytes long). Ownership of
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the string remains with the CTLOG.
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CTLOG_get0_public_key() returns the public key of the CT log. Ownership of the
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EVP_PKEY remains with the CTLOG.
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=head1 RETURN VALUES
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CTLOG_new() will return NULL if an error occurs.
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CTLOG_new_from_base64() will return 1 on success, 0 otherwise.
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=head1 SEE ALSO
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L<ct(7)>
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=head1 HISTORY
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The functions CTLOG_new_ex() and CTLOG_new_from_base64_ex()
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were added in OpenSSL 3.0. All other functions were added in OpenSSL 1.1.0.
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=head1 COPYRIGHT
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Copyright 2016-2024 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the Apache License 2.0 (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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