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[dragonfly.git] / secure / lib / libssl / man / SSL_get_peer_certificate.3
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80.\" If the F register is turned on, we'll generate
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96.TH SSL_get_peer_certificate 3 "0.9.7d" "2/Sep/2004" "OpenSSL"
97.UC
98.if n .hy 0
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188.\}
189.rm #[ #] #H #V #F C
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190.SH "NAME"
191SSL_get_peer_certificate \- get the X509 certificate of the peer
192.SH "SYNOPSIS"
a7d27d5a 193.PP
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194.Vb 1
195\& #include <openssl/ssl.h>
196.Ve
197.Vb 1
198\& X509 *SSL_get_peer_certificate(SSL *ssl);
199.Ve
200.SH "DESCRIPTION"
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201\fISSL_get_peer_certificate()\fR returns a pointer to the X509 certificate the
202peer presented. If the peer did not present a certificate, NULL is returned.
984263bc 203.SH "NOTES"
a7d27d5a 204Due to the protocol definition, a TLS/SSL server will always send a
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205certificate, if present. A client will only send a certificate when
206explicitly requested to do so by the server (see
207SSL_CTX_set_verify(3)). If an anonymous cipher
208is used, no certificates are sent.
209.PP
210That a certificate is returned does not indicate information about the
211verification state, use SSL_get_verify_result(3)
212to check the verification state.
213.PP
214The reference count of the X509 object is incremented by one, so that it
215will not be destroyed when the session containing the peer certificate is
216freed. The X509 object must be explicitly freed using \fIX509_free()\fR.
217.SH "RETURN VALUES"
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218The following return values can occur:
219.Ip "\s-1NULL\s0" 4
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220No certificate was presented by the peer or no connection was established.
221.Ip "Pointer to an X509 certificate" 4
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222The return value points to the certificate presented by the peer.
223.SH "SEE ALSO"
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224ssl(3), SSL_get_verify_result(3),
225SSL_CTX_set_verify(3)
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226
227.rn }` ''
228.IX Title "SSL_get_peer_certificate 3"
229.IX Name "SSL_get_peer_certificate - get the X509 certificate of the peer"
230
231.IX Header "NAME"
232
233.IX Header "SYNOPSIS"
234
235.IX Header "DESCRIPTION"
236
237.IX Header "NOTES"
238
239.IX Header "RETURN VALUES"
240
241.IX Item "\s-1NULL\s0"
242
243.IX Item "Pointer to an X509 certificate"
244
245.IX Header "SEE ALSO"
246