1 files changed, 13 insertions, 1 deletions
diff --git a/crypto/src/pqc/crypto/lms/LMSContext.cs b/crypto/src/pqc/crypto/lms/LMSContext.cs
index 35c33093b..2113184fe 100644
--- a/crypto/src/pqc/crypto/lms/LMSContext.cs
+++ b/crypto/src/pqc/crypto/lms/LMSContext.cs
@@ -124,5 +124,17 @@ namespace Org.BouncyCastle.Pqc.Crypto.Lms
         {
             digest.Reset();
         }
+
+#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER
+        public void BlockUpdate(ReadOnlySpan<byte> input)
+        {
+            digest.BlockUpdate(input);
+        }
+
+        public int DoFinal(Span<byte> output)
+        {
+            return digest.DoFinal(output);
+        }
+#endif
     }
-}
\ No newline at end of file
+}