1 files changed, 13 insertions, 3 deletions

diff --git a/src/gnunet/crypto/hash.go b/src/gnunet/crypto/hash.go
index bc715d4..049a8ef 100644
--- a/src/gnunet/crypto/hash.go
+++ b/src/gnunet/crypto/hash.go
@@ -19,6 +19,7 @@
 package crypto
 
 import (
+        "bytes"
         "crypto/sha512"
 
         "gnunet/util"
@@ -29,11 +30,20 @@ type HashCode struct {
         Bits []byte `size:"64"`
 }
 
-// NewHashCode creates a new, uninitalized hash value
-func NewHashCode() *HashCode {
-        return &HashCode{
+// Equals tests if two hash results are equal.
+func (hc *HashCode) Equals(n *HashCode) bool {
+        return bytes.Equal(hc.Bits, n.Bits)
+}
+
+// NewHashCode creates a new (initalized) hash value
+func NewHashCode(buf []byte) *HashCode {
+        hc := &HashCode{
                 Bits: make([]byte, 64),
         }
+        if buf != nil {
+                util.CopyAlignedBlock(hc.Bits, buf)
+        }
+        return hc
 }
 
 // Hash returns the SHA-512 hash value of a given blob