DSA_dup_DH(3) - NetBSD Manual Pages

DSA_dup_DH(3)                       OpenSSL                      DSA_dup_DH(3)




NAME
DSA_dup_DH - create a DH structure out of DSA structure
LIBRARY
libcrypto, -lcrypto
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
openssl_dh(3), openssl_dsa(3), ERR_get_error(3)
HISTORY
DSA_dup_DH() was added in OpenSSL 0.9.4. 0.9.9-dev 2003-07-24 DSA_dup_DH(3)

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