1 files changed, 9 insertions, 0 deletions
diff --git a/crypto/test/src/util/test/FixedSecureRandom.cs b/crypto/test/src/util/test/FixedSecureRandom.cs
index a7f3c1f3b..a23438794 100644
--- a/crypto/test/src/util/test/FixedSecureRandom.cs
+++ b/crypto/test/src/util/test/FixedSecureRandom.cs
@@ -213,6 +213,15 @@ namespace Org.BouncyCastle.Utilities.Test
             return GetNextBytes(this, numBytes);
         }
 
+        // NOTE: .NET Core 3.1 has Span<T>, but is tested against our .NET Standard 2.0 assembly.
+//#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER
+#if NET6_0_OR_GREATER || NETSTANDARD2_1_OR_GREATER
+        public override void GenerateSeed(Span<byte> seed)
+        {
+            NextBytes(seed);
+        }
+#endif
+
         public override void NextBytes(byte[] buf)
 		{
             NextBytes(buf, 0, buf.Length);