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.\" ========================================================================
.\"
.IX Title "TS_VERIFY_CTX_SET_CERTS 3ossl"
.TH TS_VERIFY_CTX_SET_CERTS 3ossl "2023-09-19" "3.0.11" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
TS_VERIFY_CTX_set_certs, TS_VERIFY_CTS_set_certs
\&\- set certificates for TS response verification
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/ts.h>
\&
\& STACK_OF(X509) *TS_VERIFY_CTX_set_certs(TS_VERIFY_CTX *ctx,
\& STACK_OF(X509) *certs);
\& STACK_OF(X509) *TS_VERIFY_CTS_set_certs(TS_VERIFY_CTX *ctx,
\& STACK_OF(X509) *certs);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
The Time-Stamp Protocol (\s-1TSP\s0) is defined by \s-1RFC 3161. TSP\s0 is a protocol used to
provide long term proof of the existence of a certain datum before a particular
time. \s-1TSP\s0 defines a Time Stamping Authority (\s-1TSA\s0) and an entity who shall make
requests to the \s-1TSA.\s0 Usually the \s-1TSA\s0 is denoted as the server side and the
requesting entity is denoted as the client.
.PP
In \s-1TSP,\s0 when a server is sending a response to a client, the server normally
needs to sign the response data \- the TimeStampToken (\s-1TST\s0) \- with its private
key. Then the client shall verify the received \s-1TST\s0 by the server's certificate
chain.
.PP
\&\fBTS_VERIFY_CTX_set_certs()\fR is used to set the server's certificate chain when
verifying a \s-1TST.\s0 \fBctx\fR is the verification context created in advance and
\&\fBcerts\fR is a stack of \fBX509\fR certificates.
.PP
\&\fBTS_VERIFY_CTS_set_certs()\fR is a misspelled version of \fBTS_VERIFY_CTX_set_certs()\fR
which takes the same parameters and returns the same result.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
\&\fBTS_VERIFY_CTX_set_certs()\fR returns the stack of \fBX509\fR certificates the user
passes in via parameter \fBcerts\fR.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBOSSL_ESS_check_signing_certs\fR\|(3)
.SH "HISTORY"
.IX Header "HISTORY"
The spelling of \fBTS_VERIFY_CTX_set_certs()\fR was corrected in OpenSSL 3.0.0.
The misspelled version \fBTS_VERIFY_CTS_set_certs()\fR has been retained for
compatibility reasons, but it is deprecated in OpenSSL 3.0.0.
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 2019\-2021 The OpenSSL Project Authors. All Rights Reserved.
.PP
Licensed under the Apache License 2.0 (the \*(L"License\*(R"). You may not use
this file except in compliance with the License. You can obtain a copy
in the file \s-1LICENSE\s0 in the source distribution or at
<https://www.openssl.org/source/license.html>.
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