int gnutls_x509_trust_list_get_issuer(gnutls_x509_trust_list_t list, gnutls_x509_crt_t cert, gnutls_x509_crt_t * issuer, unsigned int flags);
- gnutls_x509_trust_list_t list
- The list
- gnutls_x509_crt_t cert
- is the certificate to find issuer for
- gnutls_x509_crt_t * issuer
- Will hold the issuer if any. Should be treated as constant.
- unsigned int flags
- Use zero or GNUTLS_TL_GET_COPY
DESCRIPTIONThis function will find the issuer of the given certificate. If the flag GNUTLS_TL_GET_COPY is specified a copy of the issuer will be returned which must be freed using gnutls_x509_crt_deinit(). Note that the flag GNUTLS_TL_GET_COPY is required for this function to work with PKCS 11 trust lists in a thread-safe way.
RETURNSOn success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative error value.
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