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authorRob Austein <sra@hactrn.net>2006-10-09 16:00:16 +0000
committerRob Austein <sra@hactrn.net>2006-10-09 16:00:16 +0000
commiteb9264fc2ef786e8c4e3d430834b9b9e9e0b9c0a (patch)
treea72b0dcff12c4934f29502390553f0b2305b05fa /openssl/vendor/0.9.8d/doc/crypto/DSA_dup_DH.pod
parent3a6e89edc0a52c58e2c08d3de4e360de777f14a7 (diff)
OpenSSL 0.9.8d base code import
svn path=/openssl/vendor/0.9.8d/CHANGES; revision=373
Diffstat (limited to 'openssl/vendor/0.9.8d/doc/crypto/DSA_dup_DH.pod')
-rw-r--r--openssl/vendor/0.9.8d/doc/crypto/DSA_dup_DH.pod36
1 files changed, 36 insertions, 0 deletions
diff --git a/openssl/vendor/0.9.8d/doc/crypto/DSA_dup_DH.pod b/openssl/vendor/0.9.8d/doc/crypto/DSA_dup_DH.pod
new file mode 100644
index 00000000..7f6f0d11
--- /dev/null
+++ b/openssl/vendor/0.9.8d/doc/crypto/DSA_dup_DH.pod
@@ -0,0 +1,36 @@
+=pod
+
+=head1 NAME
+
+DSA_dup_DH - create a DH structure out of DSA structure
+
+=head1 SYNOPSIS
+
+ #include <openssl/dsa.h>
+
+ DH * DSA_dup_DH(const DSA *r);
+
+=head1 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.
+
+=head1 RETURN VALUE
+
+DSA_dup_DH() returns the new B<DH> structure, and NULL on error. The
+error codes can be obtained by L<ERR_get_error(3)|ERR_get_error(3)>.
+
+=head1 NOTE
+
+Be careful to avoid small subgroup attacks when using this.
+
+=head1 SEE ALSO
+
+L<dh(3)|dh(3)>, L<dsa(3)|dsa(3)>, L<ERR_get_error(3)|ERR_get_error(3)>
+
+=head1 HISTORY
+
+DSA_dup_DH() was added in OpenSSL 0.9.4.
+
+=cut