netinet{,6}: Assert in{,6}_inithead() are only used for system routing tables.
[dragonfly.git] / secure / lib / libcrypto / man / DSA_dup_DH.3
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133.\" ========================================================================
134.\"
135.IX Title "DSA_dup_DH 3"
7dc78669 136.TH DSA_dup_DH 3 "2015-07-09" "1.0.1p" "OpenSSL"
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137.\" For nroff, turn off justification. Always turn off hyphenation; it makes
138.\" way too many mistakes in technical documents.
139.if n .ad l
140.nh
984263bc 141.SH "NAME"
74dab6c2 142DSA_dup_DH \- create a DH structure out of DSA structure
984263bc 143.SH "SYNOPSIS"
8b0cefbb 144.IX Header "SYNOPSIS"
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145.Vb 1
146\& #include <openssl/dsa.h>
e257b235 147\&
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148\& DH * DSA_dup_DH(const DSA *r);
149.Ve
150.SH "DESCRIPTION"
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151.IX Header "DESCRIPTION"
152\&\fIDSA_dup_DH()\fR duplicates \s-1DSA\s0 parameters/keys as \s-1DH\s0 parameters/keys. q
153is lost during that conversion, but the resulting \s-1DH\s0 parameters
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154contain its length.
155.SH "RETURN VALUE"
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156.IX Header "RETURN VALUE"
157\&\fIDSA_dup_DH()\fR returns the new \fB\s-1DH\s0\fR structure, and \s-1NULL\s0 on error. The
158error codes can be obtained by \fIERR_get_error\fR\|(3).
984263bc 159.SH "NOTE"
8b0cefbb 160.IX Header "NOTE"
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161Be careful to avoid small subgroup attacks when using this.
162.SH "SEE ALSO"
74dab6c2 163.IX Header "SEE ALSO"
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164\&\fIdh\fR\|(3), \fIdsa\fR\|(3), \fIERR_get_error\fR\|(3)
165.SH "HISTORY"
984263bc 166.IX Header "HISTORY"
8b0cefbb 167\&\fIDSA_dup_DH()\fR was added in OpenSSL 0.9.4.