netinet{,6}: Assert in{,6}_inithead() are only used for system routing tables.

[dragonfly.git] / secure / lib / libcrypto / man / DH_size.3

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.\" ========================================================================
.\"
.IX Title "DH_size 3"
.TH DH_size 3 "2015-07-09" "1.0.1p" "OpenSSL"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH "NAME"
DH_size \- get Diffie\-Hellman prime size
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/dh.h>
\&
\& int DH_size(DH *dh);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This function returns the Diffie-Hellman size in bytes. It can be used
to determine how much memory must be allocated for the shared secret
computed by \fIDH_compute_key()\fR.
.PP
\&\fBdh\->p\fR must not be \fB\s-1NULL\s0\fR.
.SH "RETURN VALUE"
.IX Header "RETURN VALUE"
The size in bytes.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fIdh\fR\|(3), \fIDH_generate_key\fR\|(3)
.SH "HISTORY"
.IX Header "HISTORY"
\&\fIDH_size()\fR is available in all versions of SSLeay and OpenSSL.