From 003c8fd803ee304ab4f0b1cbb90d800399d9ea2b Mon Sep 17 00:00:00 2001
From: Miek Gieben <miek@miek.nl>
Date: Wed, 9 Mar 2011 18:54:55 +0100
Subject: [PATCH] add nsec3 hashnames method

---
 nsec3.go | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/nsec3.go b/nsec3.go
index 1329463a..8880629a 100644
--- a/nsec3.go
+++ b/nsec3.go
@@ -12,7 +12,7 @@ type saltWireFmt struct {
 }
 
 // Hash a string/label according to RFC5155
-func Nsec3Hash(label string, ha int, iterations int, salt string) string {
+func HashNames(label string, ha int, iterations int, salt string) string {
 	saltwire := new(saltWireFmt)
 	saltwire.Salt = salt
 	wire := make([]byte, DefaultMsgSize)
@@ -48,3 +48,10 @@ func Nsec3Hash(label string, ha int, iterations int, salt string) string {
         }
 	return unpackBase32(nsec3)
 }
+
+// Hash the ownername and the next owner name in
+// an NSEC3 record, use the parameters from the NSEC3 itself.
+func (nsec3 *RR_NSEC3) HashNames() {
+        nsec3.Header().Name = HashNames(nsec3.Header().Name, int(nsec3.Hash), int(nsec3.Iterations), nsec3.Salt)
+        nsec3.NextDomain = HashNames(nsec3.NextDomain, int(nsec3.Hash), int(nsec3.Iterations), nsec3.Salt)
+}