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DSA_dup_DH

Section: OpenSSL (3)
Updated: 2002-09-25
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NAME

DSA_dup_DH - create a DH structure out of DSA structure  

SYNOPSIS

 #include <openssl/dsa.h>

 DH * DSA_dup_DH(const DSA *r);

 

DESCRIPTION

DSA_dup_DH() duplicates DSA parameters/keys as DH parameters/keys. q is lost during that conversion, but the resulting DH parameters contain its length.  

RETURN VALUE

DSA_dup_DH() returns the new DH structure, and NULL on error. The error codes can be obtained by ERR_get_error(3).  

NOTE

Be careful to avoid small subgroup attacks when using this.  

SEE ALSO

dh(3), dsa(3), ERR_get_error(3)  

HISTORY

DSA_dup_DH() was added in OpenSSL 0.9.4.


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
NOTE
SEE ALSO
HISTORY




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