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path: root/crypto/src/pqc/crypto/lms/HSSSigner.cs
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Diffstat (limited to 'crypto/src/pqc/crypto/lms/HSSSigner.cs')
-rw-r--r--crypto/src/pqc/crypto/lms/HSSSigner.cs4
1 files changed, 4 insertions, 0 deletions
diff --git a/crypto/src/pqc/crypto/lms/HSSSigner.cs b/crypto/src/pqc/crypto/lms/HSSSigner.cs
index 295caa00e..539226aba 100644
--- a/crypto/src/pqc/crypto/lms/HSSSigner.cs
+++ b/crypto/src/pqc/crypto/lms/HSSSigner.cs
@@ -41,6 +41,10 @@ namespace Org.BouncyCastle.Pqc.Crypto.Lms
             {
                 return Hss.VerifySignature(pubKey, HssSignature.GetInstance(signature, pubKey.Level), message);
             }
+            catch (InvalidDataException e)
+            {
+                throw new Exception($"unable to decode signature: {e.Message}");
+            }
             catch (IOException e)
             {
                 throw new Exception($"unable to decode signature: {e.Message}");