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Man Pages


Manual Reference Pages  -  SSL_GET_PEER_CERT_CHAIN (3)

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NAME

SSL_get_peer_cert_chain - get the X509 certificate chain of the peer

CONTENTS

SYNOPSIS



 #include <openssl/ssl.h>

 STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *ssl);



DESCRIPTION

SSL_get_peer_cert_chain() returns a pointer to STACK_OF(X509) certificates forming the certificate chain of the peer. If called on the client side, the stack also contains the peer’s certificate; if called on the server side, the peer’s certificate must be obtained separately using SSL_get_peer_certificate(3). If the peer did not present a certificate, NULL is returned.

NOTES

The peer certificate chain is not necessarily available after reusing a session, in which case a NULL pointer is returned.

The reference count of the STACK_OF(X509) object is not incremented. If the corresponding session is freed, the pointer must not be used any longer.

RETURN VALUES

The following return values can occur:
NULL No certificate was presented by the peer or no connection was established or the certificate chain is no longer available when a session is reused.
Pointer to a STACK_OF(X509) The return value points to the certificate chain presented by the peer.

SEE ALSO

ssl(3), SSL_get_peer_certificate(3)
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1.0.1s SSL_GET_PEER_CERT_CHAIN (3) 2016-03-01

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