1 files changed, 25 insertions, 0 deletions
diff --git a/crypto/src/crypto/util/Pack.cs b/crypto/src/crypto/util/Pack.cs
index 087cb7cea..dc00ab450 100644
--- a/crypto/src/crypto/util/Pack.cs
+++ b/crypto/src/crypto/util/Pack.cs
@@ -117,6 +117,22 @@ namespace Org.BouncyCastle.Crypto.Utilities
             UInt32_To_BE((uint)(n), bs, off + 4);
         }
 
+        internal static byte[] UInt64_To_BE(ulong[] ns)
+        {
+            byte[] bs = new byte[8 * ns.Length];
+            UInt64_To_BE(ns, bs, 0);
+            return bs;
+        }
+
+        internal static void UInt64_To_BE(ulong[] ns, byte[] bs, int off)
+        {
+            for (int i = 0; i < ns.Length; ++i)
+            {
+                UInt64_To_BE(ns[i], bs, off);
+                off += 8;
+            }
+        }
+
         internal static ulong BE_To_UInt64(byte[] bs)
         {
             uint hi = BE_To_UInt32(bs);
@@ -131,6 +147,15 @@ namespace Org.BouncyCastle.Crypto.Utilities
             return ((ulong)hi << 32) | (ulong)lo;
         }
 
+        internal static void BE_To_UInt64(byte[] bs, int off, ulong[] ns)
+        {
+            for (int i = 0; i < ns.Length; ++i)
+            {
+                ns[i] = BE_To_UInt64(bs, off);
+                off += 8;
+            }
+        }
+
         internal static void UInt16_To_LE(ushort n, byte[] bs)
         {
             bs[0] = (byte)(n);