Merge remote-tracking branch 'origin/master'

1 files changed, 1 insertions, 1 deletions

diff --git a/crypto/src/security/MacUtilities.cs b/crypto/src/security/MacUtilities.cs

index fab9b1d41..278f3bec1 100644
--- a/crypto/src/security/MacUtilities.cs
+++ b/crypto/src/security/MacUtilities.cs
@@ -136,7 +136,7 @@ namespace Org.BouncyCastle.Security
 
             if (mechanism == "AESCMAC")
             {
-                return new CMac(new AesFastEngine());
+                return new CMac(new AesEngine());
             }
             if (mechanism == "DESMAC")
             {