195 lines
6.4 KiB
Groff
Executable File
195 lines
6.4 KiB
Groff
Executable File
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.\" ========================================================================
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.\"
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.IX Title "CTLOG_NEW 3"
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.TH CTLOG_NEW 3 "2020-03-02" "3.0.0-dev" "OpenSSL"
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.\" For nroff, turn off justification. Always turn off hyphenation; it makes
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.\" way too many mistakes in technical documents.
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.if n .ad l
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.nh
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.SH "NAME"
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CTLOG_new, CTLOG_new_from_base64, 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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.SH "SYNOPSIS"
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.IX Header "SYNOPSIS"
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.Vb 1
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\& #include <openssl/ct.h>
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\&
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\& CTLOG *CTLOG_new(EVP_PKEY *public_key, const char *name);
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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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.Ve
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.SH "DESCRIPTION"
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.IX Header "DESCRIPTION"
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\&\fICTLOG_new()\fR returns a new \s-1CTLOG\s0 that represents the Certificate Transparency
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(\s-1CT\s0) log with the given public key. A name must also be provided that can be
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used to help users identify this log. Ownership of the public key is
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transferred.
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.PP
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\&\fICTLOG_new_from_base64()\fR also creates a new \s-1CTLOG\s0, but takes the public key in
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base64\-encoded \s-1DER\s0 form and sets the ct_log pointer to point to the new \s-1CTLOG\s0.
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The base64 will be decoded and the public key parsed.
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.PP
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Regardless of whether \fICTLOG_new()\fR or \fICTLOG_new_from_base64()\fR is used, it is the
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caller's responsibility to pass the \s-1CTLOG\s0 to \fICTLOG_free()\fR once it is no longer
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needed. This will delete it and, if created by \fICTLOG_new()\fR, the \s-1EVP_PKEY\s0 that
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was passed to it.
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.PP
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\&\fICTLOG_get0_name()\fR returns the name of the log, as provided when the \s-1CTLOG\s0 was
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created. Ownership of the string remains with the \s-1CTLOG\s0.
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.PP
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\&\fICTLOG_get0_log_id()\fR sets *log_id to point to a string containing that log's
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LogID (see \s-1RFC\s0 6962). It sets *log_id_len to the length of that LogID. For a
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v1 \s-1CT\s0 log, the LogID will be a \s-1SHA\-256\s0 hash (i.e. 32 bytes long). Ownership of
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the string remains with the \s-1CTLOG\s0.
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.PP
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\&\fICTLOG_get0_public_key()\fR returns the public key of the \s-1CT\s0 log. Ownership of the
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\&\s-1EVP_PKEY\s0 remains with the \s-1CTLOG\s0.
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.SH "RETURN VALUES"
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.IX Header "RETURN VALUES"
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\&\fICTLOG_new()\fR will return \s-1NULL\s0 if an error occurs.
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.PP
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\&\fICTLOG_new_from_base64()\fR will return 1 on success, 0 otherwise.
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.SH "SEE ALSO"
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.IX Header "SEE ALSO"
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\&\fIct\fR\|(7)
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.SH "HISTORY"
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.IX Header "HISTORY"
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These functions were added in OpenSSL 1.1.0.
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.SH "COPYRIGHT"
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.IX Header "COPYRIGHT"
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Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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.PP
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Licensed under the Apache License 2.0 (the \*(L"License\*(R"). 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 \s-1LICENSE\s0 in the source distribution or at
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<https://www.openssl.org/source/license.html>.
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