gnutls_x509_crt_check_issuer man page
gnutls_x509_crt_check_issuer — API function
unsigned gnutls_x509_crt_check_issuer(gnutls_x509_crt_t cert, gnutls_x509_crt_t issuer);
- gnutls_x509_crt_t cert
is the certificate to be checked
- gnutls_x509_crt_t issuer
is the certificate of a possible issuer
This function will check if the given certificate was issued by the given issuer. It checks the DN fields and the authority key identifier and subject key identifier fields match.
If the same certificate is provided at the cert and issuer fields, it will check whether the certificate is self-signed.
It will return true (1) if the given certificate is issued by the given issuer, and false (0) if not.
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