if the parameter "inOff" in Decrypt() is not zero, it can not be decrypted as excepted

if the parameter "inOff" in Decrypt() is not zero, it can not be decrypted as excepted

1 files changed, 1 insertions, 1 deletions

diff --git a/crypto/src/crypto/engines/SM2Engine.cs b/crypto/src/crypto/engines/SM2Engine.cs
index e5f12bbbb..90a5e4d6f 100644
--- a/crypto/src/crypto/engines/SM2Engine.cs
+++ b/crypto/src/crypto/engines/SM2Engine.cs
@@ -139,7 +139,7 @@ namespace Org.BouncyCastle.Crypto.Engines
             int check = 0;
             for (int i = 0; i != c3.Length; i++)
             {
-                check |= c3[i] ^ input[c1.Length + c2.Length + i];
+                check |= c3[i] ^ input[inOff + c1.Length + c2.Length + i];
             }
 
             Arrays.Fill(c1, 0);