1 files changed, 8 insertions, 4 deletions
diff --git a/crypto/src/crypto/BufferedAeadCipher.cs b/crypto/src/crypto/BufferedAeadCipher.cs
index aba64f0f4..fb3408e12 100644
--- a/crypto/src/crypto/BufferedAeadCipher.cs
+++ b/crypto/src/crypto/BufferedAeadCipher.cs
@@ -96,10 +96,7 @@ namespace Org.BouncyCastle.Crypto
         * @exception DataLengthException if there isn't enough space in out.
         * @exception InvalidOperationException if the cipher isn't initialised.
         */
-        public override int ProcessByte(
-            byte input,
-            byte[] output,
-            int outOff)
+        public override int ProcessByte(byte input, byte[] output, int outOff)
         {
             return cipher.ProcessByte(input, output, outOff);
         }
@@ -123,6 +120,13 @@ namespace Org.BouncyCastle.Crypto
             return outBytes;
         }
 
+#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER
+        public override int ProcessByte(byte input, Span<byte> output)
+        {
+            return cipher.ProcessByte(input, output);
+        }
+#endif
+
         public override byte[] ProcessBytes(
             byte[] input,
             int inOff,