From 297ccc3cc304defd9ecb0ba944bede4f89696b3b Mon Sep 17 00:00:00 2001
From: Peter Dettman <peter.dettman@bouncycastle.org>
Date: Fri, 14 Sep 2018 17:54:02 +0700
Subject: RFC 5958: Update PrivateKeyInfo

- now supports optional 'publicKey' field
---
 crypto/src/util/collections/CollectionUtilities.cs | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'crypto/src/util/collections/CollectionUtilities.cs')

diff --git a/crypto/src/util/collections/CollectionUtilities.cs b/crypto/src/util/collections/CollectionUtilities.cs
index 18fcb6774..cac158226 100644
--- a/crypto/src/util/collections/CollectionUtilities.cs
+++ b/crypto/src/util/collections/CollectionUtilities.cs
@@ -39,6 +39,14 @@ namespace Org.BouncyCastle.Utilities.Collections
             return new UnmodifiableSetProxy(s);
         }
 
+        public static object RequireNext(IEnumerator e)
+        {
+            if (!e.MoveNext())
+                throw new InvalidOperationException();
+
+            return e.Current;
+        }
+
         public static string ToString(IEnumerable c)
         {
             StringBuilder sb = new StringBuilder("[");
-- 
cgit 1.4.1