1 files changed, 8 insertions, 1 deletions
diff --git a/crypto/src/crypto/signers/Iso9796d2PssSigner.cs b/crypto/src/crypto/signers/Iso9796d2PssSigner.cs
index fb117c19d..3aa2e3719 100644
--- a/crypto/src/crypto/signers/Iso9796d2PssSigner.cs
+++ b/crypto/src/crypto/signers/Iso9796d2PssSigner.cs
@@ -486,7 +486,14 @@ namespace Org.BouncyCastle.Crypto.Signers
             digest.BlockUpdate(m2Hash, 0, m2Hash.Length);
 
             // Update for the salt
-            digest.BlockUpdate(block, mStart + recoveredMessage.Length, saltLength);
+            if (standardSalt != null)
+            {
+                digest.BlockUpdate(standardSalt, 0, standardSalt.Length);
+            }
+            else
+            {
+                digest.BlockUpdate(block, mStart + recoveredMessage.Length, saltLength);
+            }
 
             byte[] hash = new byte[digest.GetDigestSize()];
             digest.DoFinal(hash, 0);