added pts_dh_group_select

2011-11-28 14:39:49 +01:00
parent 542b33c350
commit 3be8995c3e
2 changed files with 52 additions and 5 deletions
@@ -120,6 +120,40 @@ bool pts_update_supported_dh_groups(char *dh_group, pts_dh_group_t *groups)
 	return FALSE;
 }

+/**
+ * Described in header.
+ */
+pts_dh_group_t pts_dh_group_select(pts_dh_group_t supported_dh_groups,
+								   pts_dh_group_t offered_dh_groups)
+{
+	if ((supported_dh_groups & PTS_DH_GROUP_IKE20) &&
+		(offered_dh_groups   & PTS_DH_GROUP_IKE20))
+	{
+		return PTS_DH_GROUP_IKE20;
+	}
+	if ((supported_dh_groups & PTS_DH_GROUP_IKE19) &&
+		(offered_dh_groups   & PTS_DH_GROUP_IKE19))
+	{
+		return PTS_DH_GROUP_IKE19;
+	}
+	if ((supported_dh_groups & PTS_DH_GROUP_IKE14) &&
+		(offered_dh_groups   & PTS_DH_GROUP_IKE14))
+	{
+		return PTS_DH_GROUP_IKE14;
+	}
+	if ((supported_dh_groups & PTS_DH_GROUP_IKE5) &&
+		(offered_dh_groups   & PTS_DH_GROUP_IKE5))
+	{
+		return PTS_DH_GROUP_IKE5;
+	}
+	if ((supported_dh_groups & PTS_DH_GROUP_IKE2) &&
+		(offered_dh_groups   & PTS_DH_GROUP_IKE2))
+	{
+		return PTS_DH_GROUP_IKE2;
+	}
+	return PTS_DH_GROUP_NONE;
+}
+
 /**
 * Described in header.
 */