CodecUtils.decodeWithEncrypt not correct for null key

[ddv2005]

Hello,

If key is null then p0.length for initial crc should be 1 less in CodecUtils.decodeWithEncrypt

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diff --git a/src/util/CodecUtils.ts b/src/util/CodecUtils.ts
index 67b410b..5748cbf 100644
--- a/src/util/CodecUtils.ts
+++ b/src/util/CodecUtils.ts
@@ -40,7 +40,7 @@ export class CodecUtils {
     }

     var decoded = [];
-    const crc = dscrc_table[p0.length & 0xff];
+    const crc = dscrc_table[(p0.length - (key ? 0 : 1)) & 0xff];

     for (var i = 0; i < p0.length - (key ? 0 : 1); i++) {

[Fusseldieb]

Hi, thanks for the correction

Can you PR this so @kind3r can take a look at it easier?