DSA_dup_DH(3) - phpMan

DSA_dup_DH(3)                                OpenSSL                                DSA_dup_DH(3)



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.



1.0.2k                                      2017-01-26                              DSA_dup_DH(3)

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