EcbMode: Optimize data management on decryption hotpath.

2026-07-30 01:17:47 +03:00
parent c9a262bac4
commit 192cd67deb
1 changed files with 4 additions and 11 deletions
@@ -172,8 +172,6 @@ public:
        uint64_t BlockBytesPacked_;
        BlockArray Block_;

-        BlockArray DecryptedBlock_;
-
        bool PreviousBlockSaved_;
        BlockArray PreviousBlock_;

@@ -213,22 +211,17 @@ public:
                {
                    BlockBytesPacked_ = 0;

-                    Decryptor_.DecryptBlock(DecryptedBlock_.Begin(), DecryptedBlock_.End(),
-                                            Block_.Begin(), Block_.End());
-
                    if (PreviousBlockSaved_)
                    {
                        out = EnsureCopy(out, outEnd,
                                         PreviousBlock_.Begin(), PreviousBlock_.End());
-                        PreviousBlock_ = DecryptedBlock_;

                        written += CipherT::BlockSize;
                    }
-                    else
-                    {
-                        PreviousBlock_ = DecryptedBlock_;
-                        PreviousBlockSaved_ = true;
-                    }
+
+                    Decryptor_.DecryptBlock(PreviousBlock_.Begin(), PreviousBlock_.End(),
+                                            Block_.Begin(), Block_.End());
+                    PreviousBlockSaved_ = true;
                }
            }