mention that EGD is used in non-blocking mode.

[openssl.git] / doc / crypto / DSA_dup_DH.pod

diff --git a/doc/crypto/DSA_dup_DH.pod b/doc/crypto/DSA_dup_DH.pod
index 0c15094b5668720dc397e2373e59b4f5fdb9c6e6..29cb1075d1103c23efc1b49239867290d03a178a 100644 (file)
--- a/doc/crypto/DSA_dup_DH.pod
+++ b/doc/crypto/DSA_dup_DH.pod
@@ -2,13 +2,13 @@
 
 =head1 NAME
 
-DSA_dup_DH - Create a DH structure out of DSA structure
+DSA_dup_DH - create a DH structure out of DSA structure
 
 =head1 SYNOPSIS
 
  #include <openssl/dsa.h>
 
- DH *  DSA_dup_DH(DSA *r);
+ DH * DSA_dup_DH(DSA *r);
 
 =head1 DESCRIPTION
 
@@ -21,6 +21,10 @@ contain its length.
 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(3)|err(3)>