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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" d2i_SSL_SESSION, i2d_SSL_SESSION \- convert SSL_SESSION object from/to ASN1 representation .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 1 \& #include <openssl/ssl.h> \& \& SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp, \& long length); \& int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp); .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" These functions decode and encode an \s-1SSL_SESSION\s0 object. For encoding details see \fBd2i_X509\fR\|(3). .PP \&\s-1SSL_SESSION\s0 objects keep internal link information about the session cache list, when being inserted into one \s-1SSL_CTX\s0 object's session cache. One \s-1SSL_SESSION\s0 object, regardless of its reference count, must therefore only be used with one \s-1SSL_CTX\s0 object (and the \s-1SSL\s0 objects created from this \s-1SSL_CTX\s0 object). .SH "RETURN VALUES" .IX Header "RETURN VALUES" \&\fBd2i_SSL_SESSION()\fR returns a pointer to the newly allocated \s-1SSL_SESSION\s0 object. In case of failure the NULL-pointer is returned and the error message can be retrieved from the error stack. .PP \&\fBi2d_SSL_SESSION()\fR returns the size of the \s-1ASN1\s0 representation in bytes. When the session is not valid, \fB0\fR is returned and no operation is performed. .SH "SEE ALSO" .IX Header "SEE ALSO" \&\fBssl\fR\|(7), \fBSSL_SESSION_free\fR\|(3), \&\fBSSL_CTX_sess_set_get_cb\fR\|(3), \&\fBd2i_X509\fR\|(3) .SH "COPYRIGHT" .IX Header "COPYRIGHT" Copyright 2001\-2016 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>.