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X509_CHECK_ISSUED(3)		    OpenSSL		  X509_CHECK_ISSUED(3)

NAME
       X509_check_issued - checks if certificate is issued by another
       certificate

SYNOPSIS
	#include <openssl/x509v3.h>

	int X509_check_issued(X509 *issuer, X509 *subject);

DESCRIPTION
       This function checks if certificate subject was issued using CA
       certificate issuer. This	function takes into account not	only matching
       of issuer field of subject with subject field of	issuer,	but also
       compares	authorityKeyIdentifier extension of subject with
       subjectKeyIdentifier of issuer if authorityKeyIdentifier	present	in the
       subject certificate and checks keyUsage field of	issuer.

RETURN VALUES
       Function	return X509_V_OK if certificate	subject	is issued by issuer or
       some X509_V_ERR*	constant to indicate an	error.

SEE ALSO
       X509_verify_cert(3), X509_check_ca(3), verify(1)

COPYRIGHT
       Copyright 2015-2018 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>.

1.1.1d				  2019-09-10		  X509_CHECK_ISSUED(3)

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | SEE ALSO | COPYRIGHT

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