SSL_load_client_CA_file man page

SSL_load_client_CA_file — load certificate names from file


#include <openssl/ssl.h>
STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file);


SSL_load_client_CA_file() reads certificates from file and returns a STACK_OF(X509_NAME) with the subject names found.


SSL_load_client_CA_file() reads a file of PEM formatted certificates and extracts the X509_NAMES of the certificates found. While the name suggests the specific usage as support function for SSL_CTX_set_client_CA_list(3), it is not limited to CA certificates.


Load names of CAs from file and use it as a client CA list:

SSL_CTX *ctx;
STACK_OF(X509_NAME) *cert_names;
cert_names = SSL_load_client_CA_file("/path/to/CAfile.pem");
if (cert_names != NULL)
  SSL_CTX_set_client_CA_list(ctx, cert_names);

Return Values

The following return values can occur:

The operation failed, check out the error stack for the reason.
Pointer to STACK_OF(X509_NAME)
Pointer to the subject names of the successfully read certificates.

See Also

ssl(3), SSL_CTX_set_client_CA_list(3)

Referenced By

ssl(3), ssl.3ssl(3), ssl.7ssl(7), SSL_CTX_set_client_CA_list(3), SSL_CTX_set_client_CA_list.3ssl(3).

Explore man page connections for SSL_load_client_CA_file(3).

OpenSSL 1.0.2j 2016-09-26