Add span variant for Collect

1 files changed, 9 insertions, 0 deletions

diff --git a/crypto/src/crmf/PKMacBuilder.cs b/crypto/src/crmf/PKMacBuilder.cs

index 156936eac..8093eab44 100644
--- a/crypto/src/crmf/PKMacBuilder.cs
+++ b/crypto/src/crmf/PKMacBuilder.cs
@@ -83,6 +83,15 @@ namespace Org.BouncyCastle.Crmf
             signature.CopyTo(sig, sigOff);
             return signature.Length;
         }
+
+#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER
+        public int Collect(Span<byte> destination)
+        {
+            byte[] result = Collect();
+            result.AsSpan().CopyTo(destination);
+            return result.Length;
+        }
+#endif
     }
 
     public class PKMacBuilder