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=pod
=head1 NAME
OCSP_response_status, OCSP_response_get1_basic, OCSP_response_create,
OCSP_RESPONSE_free, OCSP_RESPID_set_by_name,
OCSP_RESPID_set_by_key, OCSP_RESPID_match - OCSP response functions
=head1 SYNOPSIS
#include <openssl/ocsp.h>
int OCSP_response_status(OCSP_RESPONSE *resp);
OCSP_BASICRESP *OCSP_response_get1_basic(OCSP_RESPONSE *resp);
OCSP_RESPONSE *OCSP_response_create(int status, OCSP_BASICRESP *bs);
void OCSP_RESPONSE_free(OCSP_RESPONSE *resp);
int OCSP_RESPID_set_by_name(OCSP_RESPID *respid, X509 *cert);
int OCSP_RESPID_set_by_key(OCSP_RESPID *respid, X509 *cert);
int OCSP_RESPID_match(OCSP_RESPID *respid, X509 *cert);
=head1 DESCRIPTION
OCSP_response_status() returns the OCSP response status of B<resp>. It returns
one of the values: B<OCSP_RESPONSE_STATUS_SUCCESSFUL>,
B<OCSP_RESPONSE_STATUS_MALFORMEDREQUEST>,
B<OCSP_RESPONSE_STATUS_INTERNALERROR>, B<OCSP_RESPONSE_STATUS_TRYLATER>
B<OCSP_RESPONSE_STATUS_SIGREQUIRED>, or B<OCSP_RESPONSE_STATUS_UNAUTHORIZED>.
OCSP_response_get1_basic() decodes and returns the B<OCSP_BASICRESP> structure
contained in B<resp>.
OCSP_response_create() creates and returns an B<OCSP_RESPONSE> structure for
B<status> and optionally including basic response B<bs>.
OCSP_RESPONSE_free() frees up OCSP response B<resp>.
OCSP_RESPID_set_by_name() sets the name of the OCSP_RESPID to be the same as the
subject name in the supplied X509 certificate B<cert> for the OCSP responder.
OCSP_RESPID_set_by_key() sets the key of the OCSP_RESPID to be the same as the
key in the supplied X509 certificate B<cert> for the OCSP responder. The key is
stored as a SHA1 hash.
Note that an OCSP_RESPID can only have one of the name, or the key set. Calling
OCSP_RESPID_set_by_name() or OCSP_RESPID_set_by_key() will clear any existing
setting.
OCSP_RESPID_match() tests whether the OCSP_RESPID given in B<respid> matches
with the X509 certificate B<cert>.
=head1 RETURN VALUES
OCSP_RESPONSE_status() returns a status value.
OCSP_response_get1_basic() returns an B<OCSP_BASICRESP> structure pointer or
B<NULL> if an error occurred.
OCSP_response_create() returns an B<OCSP_RESPONSE> structure pointer or B<NULL>
if an error occurred.
OCSP_RESPONSE_free() does not return a value.
OCSP_RESPID_set_by_name() and OCSP_RESPID_set_by_key() return 1 on success or 0
on failure.
OCSP_RESPID_match() returns 1 if the OCSP_RESPID and the X509 certificate match
or 0 otherwise.
=head1 NOTES
OCSP_response_get1_basic() is only called if the status of a response is
B<OCSP_RESPONSE_STATUS_SUCCESSFUL>.
=head1 SEE ALSO
L<crypto(3)>
L<OCSP_cert_to_id(3)>
L<OCSP_request_add1_nonce(3)>
L<OCSP_REQUEST_new(3)>
L<OCSP_response_find_status(3)>
L<OCSP_sendreq_new(3)>
L<OCSP_RESPID_new(3)>
L<OCSP_RESPID_free(3)>
=head1 HISTORY
The OCSP_RESPID_set_by_name(), OCSP_RESPID_set_by_key() and OCSP_RESPID_match()
functions were added in OpenSSL 1.1.0a.
=head1 COPYRIGHT
Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the OpenSSL license (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
L<https://www.openssl.org/source/license.html>.
=cut
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