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DSA_DUP_DH(3) Library Functions Manual DSA_DUP_DH(3)

NAME

DSA_dup_DHcreate a DH structure out of DSA structure

SYNOPSIS

#include <openssl/dsa.h>

DH *
DSA_dup_DH(const DSA *r);

DESCRIPTION

() duplicates DSA parameters/keys as DH parameters/keys.

RETURN VALUES

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

SEE ALSO

DH_new(3), DSA_get0_pqg(3), DSA_new(3)

HISTORY

DSA_dup_DH() first appeared in OpenSSL 0.9.4 and has been available since OpenBSD 2.6.

CAVEATS

Be careful to avoid small subgroup attacks when using this.

August 12, 2023 Linux 6.4.0-150600.23.25-default