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.\"
.IX Title "SSL_CTX_SET1_VERIFY_CERT_STORE 3"
.TH SSL_CTX_SET1_VERIFY_CERT_STORE 3 "2023-09-11" "1.1.1w" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
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.nh
.SH "NAME"
SSL_CTX_set0_verify_cert_store, SSL_CTX_set1_verify_cert_store, SSL_CTX_set0_chain_cert_store, SSL_CTX_set1_chain_cert_store, SSL_set0_verify_cert_store, SSL_set1_verify_cert_store, SSL_set0_chain_cert_store, SSL_set1_chain_cert_store, SSL_CTX_get0_verify_cert_store, SSL_CTX_get0_chain_cert_store, SSL_get0_verify_cert_store, SSL_get0_chain_cert_store \- set certificate verification or chain store
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/ssl.h>
\&
\& int SSL_CTX_set0_verify_cert_store(SSL_CTX *ctx, X509_STORE *st);
\& int SSL_CTX_set1_verify_cert_store(SSL_CTX *ctx, X509_STORE *st);
\& int SSL_CTX_set0_chain_cert_store(SSL_CTX *ctx, X509_STORE *st);
\& int SSL_CTX_set1_chain_cert_store(SSL_CTX *ctx, X509_STORE *st);
\& int SSL_CTX_get0_verify_cert_store(SSL_CTX *ctx, X509_STORE **st);
\& int SSL_CTX_get0_chain_cert_store(SSL_CTX *ctx, X509_STORE **st);
\&
\& int SSL_set0_verify_cert_store(SSL *ctx, X509_STORE *st);
\& int SSL_set1_verify_cert_store(SSL *ctx, X509_STORE *st);
\& int SSL_set0_chain_cert_store(SSL *ctx, X509_STORE *st);
\& int SSL_set1_chain_cert_store(SSL *ctx, X509_STORE *st);
\& int SSL_get0_verify_cert_store(SSL *ctx, X509_STORE **st);
\& int SSL_get0_chain_cert_store(SSL *ctx, X509_STORE **st);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fISSL_CTX_set0_verify_cert_store()\fR and \fISSL_CTX_set1_verify_cert_store()\fR
set the certificate store used for certificate verification to \fBst\fR.
.PP
\&\fISSL_CTX_set0_chain_cert_store()\fR and \fISSL_CTX_set1_chain_cert_store()\fR
set the certificate store used for certificate chain building to \fBst\fR.
.PP
\&\fISSL_set0_verify_cert_store()\fR, \fISSL_set1_verify_cert_store()\fR,
\&\fISSL_set0_chain_cert_store()\fR and \fISSL_set1_chain_cert_store()\fR are similar
except they apply to \s-1SSL\s0 structure \fBssl\fR.
.PP
\&\fISSL_CTX_get0_verify_chain_store()\fR, \fISSL_get0_verify_chain_store()\fR,
\&\fISSL_CTX_get0_chain_cert_store()\fR and \fISSL_get0_chain_cert_store()\fR retrieve the
objects previously set via the above calls. A pointer to the object (or \s-1NULL\s0 if
no such object has been set) is written to \fB*st\fR.
.PP
All these functions are implemented as macros. Those containing a \fB1\fR
increment the reference count of the supplied store so it must
be freed at some point after the operation. Those containing a \fB0\fR do
not increment reference counts and the supplied store \fB\s-1MUST NOT\s0\fR be freed
after the operation.
.SH "NOTES"
.IX Header "NOTES"
The stores pointers associated with an \s-1SSL_CTX\s0 structure are copied to any \s-1SSL\s0
structures when \fISSL_new()\fR is called. As a result \s-1SSL\s0 structures will not be
affected if the parent \s-1SSL_CTX\s0 store pointer is set to a new value.
.PP
The verification store is used to verify the certificate chain sent by the
peer: that is an \s-1SSL/TLS\s0 client will use the verification store to verify
the server's certificate chain and a \s-1SSL/TLS\s0 server will use it to verify
any client certificate chain.
.PP
The chain store is used to build the certificate chain.
.PP
If the mode \fB\s-1SSL_MODE_NO_AUTO_CHAIN\s0\fR is set or a certificate chain is
configured already (for example using the functions such as
\&\fISSL_CTX_add1_chain_cert\fR\|(3) or
\&\fISSL_CTX_add_extra_chain_cert\fR\|(3)) then
automatic chain building is disabled.
.PP
If the mode \fB\s-1SSL_MODE_NO_AUTO_CHAIN\s0\fR is set then automatic chain building
is disabled.
.PP
If the chain or the verification store is not set then the store associated
with the parent \s-1SSL_CTX\s0 is used instead to retain compatibility with previous
versions of OpenSSL.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
All these functions return 1 for success and 0 for failure.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fISSL_CTX_add_extra_chain_cert\fR\|(3)
\&\fISSL_CTX_set0_chain\fR\|(3)
\&\fISSL_CTX_set1_chain\fR\|(3)
\&\fISSL_CTX_add0_chain_cert\fR\|(3)
\&\fISSL_CTX_add1_chain_cert\fR\|(3)
\&\fISSL_set0_chain\fR\|(3)
\&\fISSL_set1_chain\fR\|(3)
\&\fISSL_add0_chain_cert\fR\|(3)
\&\fISSL_add1_chain_cert\fR\|(3)
\&\fISSL_CTX_build_cert_chain\fR\|(3)
\&\fISSL_build_cert_chain\fR\|(3)
.SH "HISTORY"
.IX Header "HISTORY"
These functions were added in OpenSSL 1.0.2.
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 2013\-2022 The OpenSSL Project Authors. All Rights Reserved.
.PP
Licensed under the OpenSSL license (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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