SSL_CTX_add_extra_chain_cert (3)
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NAME
SSL_CTX_add_extra_chain_cert, SSL_CTX_clear_extra_chain_certs - add or clear extra chain certificatesSYNOPSIS
#include <openssl/ssl.h> long SSL_CTX_add_extra_chain_cert(SSL_CTX *ctx, X509 *x509); long SSL_CTX_clear_extra_chain_certs(SSL_CTX *ctx);
DESCRIPTION
SSL_CTX_add_extra_chain_cert() adds the certificate x509 to the extra chain certificates associated with ctx. Several certificates can be added one after another.SSL_CTX_clear_extra_chain_certs() clears all extra chain certificates associated with ctx.
These functions are implemented as macros.
NOTES
When sending a certificate chain, extra chain certificates are sent in order following the end entity certificate.If no chain is specified, the library will try to complete the chain from the available
CA
certificates in the trusted CA
storage, see
SSL_CTX_load_verify_locations(3).
The x509 certificate provided to SSL_CTX_add_extra_chain_cert() will be freed by the library when the
SSL_CTX
is destroyed. An application
should not free the x509 object.
RESTRICTIONS
Only one set of extra chain certificates can be specified perSSL_CTX
structure. Different chains for different certificates (for example if both
RSA
and DSA
certificates are specified by the same server) or different SSL
structures with the same parent SSL_CTX
cannot be specified using this
function. For more flexibility functions such as SSL_add1_chain_cert() should
be used instead.