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//opt/alt/openssl11/share/man/man3/SSL_SESSION_get0_cipher.3ssl
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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" SSL_SESSION_get0_cipher, SSL_SESSION_set_cipher \&\- set and retrieve the SSL cipher associated with a session .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 1 \& #include <openssl/ssl.h> \& \& const SSL_CIPHER *SSL_SESSION_get0_cipher(const SSL_SESSION *s); \& int SSL_SESSION_set_cipher(SSL_SESSION *s, const SSL_CIPHER *cipher); .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" \&\fISSL_SESSION_get0_cipher()\fR retrieves the cipher that was used by the connection when the session was created, or \s-1NULL\s0 if it cannot be determined. .PP The value returned is a pointer to an object maintained within \fBs\fR and should not be released. .PP \&\fISSL_SESSION_set_cipher()\fR can be used to set the ciphersuite associated with the \&\s-1SSL_SESSION \s0\fBs\fR to \fBcipher\fR. For example, this could be used to set up a session based \s-1PSK \s0(see \fISSL_CTX_set_psk_use_session_callback\fR\|(3)). .SH "RETURN VALUES" .IX Header "RETURN VALUES" \&\fISSL_SESSION_get0_cipher()\fR returns the \s-1SSL_CIPHER\s0 associated with the \s-1SSL_SESSION\s0 or \s-1NULL\s0 if it cannot be determined. .PP \&\fISSL_SESSION_set_cipher()\fR returns 1 on success or 0 on failure. .SH "SEE ALSO" .IX Header "SEE ALSO" \&\fIssl\fR\|(7), \&\fId2i_SSL_SESSION\fR\|(3), \&\fISSL_SESSION_get_time\fR\|(3), \&\fISSL_SESSION_get0_hostname\fR\|(3), \&\fISSL_SESSION_free\fR\|(3), \&\fISSL_CTX_set_psk_use_session_callback\fR\|(3) .SH "HISTORY" .IX Header "HISTORY" The \fISSL_SESSION_get0_cipher()\fR function was added in OpenSSL 1.1.0. The \fISSL_SESSION_set_cipher()\fR function was added in OpenSSL 1.1.1. .SH "COPYRIGHT" .IX Header "COPYRIGHT" Copyright 2016\-2017 The OpenSSL Project Authors. All Rights Reserved. .PP Licensed under the OpenSSL license (the \*(L"License\*(R"). You may not use this file except in compliance with the License. You can obtain a copy in the file \s-1LICENSE\s0 in the source distribution or at <https://www.openssl.org/source/license.html>.
