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X509_STORE_ADD_CERT(3)		    OpenSSL		X509_STORE_ADD_CERT(3)

NAME
       X509_STORE, X509_STORE_add_cert,	X509_STORE_add_crl,
       X509_STORE_set_depth, X509_STORE_set_flags, X509_STORE_set_purpose,
       X509_STORE_set_trust, X509_STORE_add_lookup, X509_STORE_load_locations,
       X509_STORE_set_default_paths - X509_STORE manipulation

SYNOPSIS
	#include <openssl/x509_vfy.h>

	typedef	x509_store_st X509_STORE;

	int X509_STORE_add_cert(X509_STORE *ctx, X509 *x);
	int X509_STORE_add_crl(X509_STORE *ctx,	X509_CRL *x);
	int X509_STORE_set_depth(X509_STORE *store, int	depth);
	int X509_STORE_set_flags(X509_STORE *ctx, unsigned long	flags);
	int X509_STORE_set_purpose(X509_STORE *ctx, int	purpose);
	int X509_STORE_set_trust(X509_STORE *ctx, int trust);

	X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *store,
					   X509_LOOKUP_METHOD *meth);

	int X509_STORE_load_locations(X509_STORE *ctx,
				      const char *file,	const char *dir);
	int X509_STORE_set_default_paths(X509_STORE *ctx);

DESCRIPTION
       The X509_STORE structure	is intended to be a consolidated mechanism for
       holding information about X.509 certificates and	CRLs, and constructing
       and validating chains of	certificates terminating in trusted roots.  It
       admits multiple lookup mechanisms and efficient scaling performance
       with large numbers of certificates, and a great deal of flexibility in
       how validation and policy checks	are performed.

       X509_STORE_new(3) creates an empty X509_STORE structure,	which contains
       no information about trusted certificates or where such certificates
       are located on disk, and	is generally not usable.  Normally, trusted
       certificates will be added to the X509_STORE to prepare it for use, via
       mechanisms such as X509_STORE_add_lookup() and X509_LOOKUP_file(), or
       PEM_read_bio_X509_AUX() and X509_STORE_add_cert().  CRLs	can also be
       added, and many behaviors configured as desired.

       Once the	X509_STORE is suitably configured, X509_STORE_CTX_new()	is
       used to instantiate a single-use	X509_STORE_CTX for each	chain-building
       and verification	operation.  That process includes providing the	end-
       entity certificate to be	verified and an	additional set of untrusted
       certificates that may be	used in	chain-building.	 As such, it is
       expected	that the certificates included in the X509_STORE are
       certificates that represent trusted entities such as root certificate
       authorities (CAs).  OpenSSL represents these trusted certificates
       internally as X509 objects with an associated X509_CERT_AUX, as are
       produced	by PEM_read_bio_X509_AUX() and similar routines	that refer to
       X509_AUX.  The public interfaces	that operate on	such trusted
       certificates still operate on pointers to X509 objects, though.

       X509_STORE_add_cert() and X509_STORE_add_crl() add the respective
       object to the X509_STORE's local	storage.  Untrusted objects should not
       be added	in this	way.  The added	object's reference count is
       incremented by one, hence the caller retains ownership of the object
       and needs to free it when it is no longer needed.

       X509_STORE_set_depth(), X509_STORE_set_flags(),
       X509_STORE_set_purpose(), X509_STORE_set_trust(), and
       X509_STORE_set1_param() set the default values for the corresponding
       values used in certificate chain	validation.  Their behavior is
       documented in the corresponding X509_VERIFY_PARAM manual	pages, e.g.,
       X509_VERIFY_PARAM_set_depth(3).

       X509_STORE_add_lookup() finds or	creates	a X509_LOOKUP(3) with the
       X509_LOOKUP_METHOD(3) meth and adds it to the X509_STORE	store.	This
       also associates the X509_STORE with the lookup, so X509_LOOKUP
       functions can look up objects in	that store.

       X509_STORE_load_locations() loads trusted certificate(s)	into an
       X509_STORE from a given file and/or directory path.  It is permitted to
       specify just a file, just a directory, or both paths.  The certificates
       in the directory	must be	in hashed form,	as documented in
       X509_LOOKUP_hash_dir(3).

       X509_STORE_set_default_paths() is somewhat misnamed, in that it does
       not set what default paths should be used for loading certificates.
       Instead,	it loads certificates into the X509_STORE from the hardcoded
       default paths.

RETURN VALUES
       X509_STORE_add_cert(), X509_STORE_add_crl(), X509_STORE_set_depth(),
       X509_STORE_set_flags(), X509_STORE_set_purpose(),
       X509_STORE_set_trust(), X509_STORE_load_locations(), and
       X509_STORE_set_default_paths() return 1 on success or 0 on failure.

       X509_STORE_add_lookup() returns the found or created X509_LOOKUP(3), or
       NULL on error.

SEE ALSO
       X509_LOOKUP_hash_dir(3).	 X509_VERIFY_PARAM_set_depth(3).
       X509_STORE_new(3), X509_STORE_get0_param(3)

COPYRIGHT
       Copyright 2017-2020 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
       <https://www.openssl.org/source/license.html>.

1.1.1k				  2021-03-25		X509_STORE_ADD_CERT(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | SEE ALSO | COPYRIGHT

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