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X509_CHECK_ISSUED(3) Library Functions Manual X509_CHECK_ISSUED(3)

X509_check_issuedcheck whether a certificate was issued using a given CA certificate

#include <openssl/x509v3.h>

X509_check_issued(X509 *issuer, X509 *subject);

This function checks whether the certificate subject was issued using the CA certificate issuer. It does the following checks:

This function returns X509_V_OK if the certificate subject is issued by issuer, or some X509_V_ERR* constant to indicate an error.

X509_check_ca(3), X509_new(3), X509_verify_cert(3)

X509_check_issued() first appeared in OpenSSL 0.9.6 and has been available since OpenBSD 2.9.

June 6, 2019 OpenBSD-7.1