Eliminate byte[] allocation in RC4

UglyToad · Apr 12, 2024 · ce5dc7c · ce5dc7c
1 parent fba5b60
commit ce5dc7c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/UglyToad.PdfPig/Encryption/RC4.cs b/src/UglyToad.PdfPig/Encryption/RC4.cs
@@ -7,7 +7,7 @@ internal static class RC4
         public static byte[] Encrypt(ReadOnlySpan<byte> key, ReadOnlySpan<byte> data)
         {
             // Key-scheduling algorithm
-            var s = new byte[256];
+            Span<byte> s = stackalloc byte[256];
             for (var i = 0; i < 256; i++)
             {
                 s[i] = (byte)i;