From ae8bdbc2726da2190e3fdaca1f4e5c8c3f5b84d8 Mon Sep 17 00:00:00 2001
From: Derrick Hammer <derrick@derrickhammer.com>
Date: Wed, 17 Jan 2024 09:42:41 -0500
Subject: [PATCH] fix: need to use original endian functions from s5

---
 utils/endian.go | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/utils/endian.go b/utils/endian.go
index 8f1c76f..1ebc368 100644
--- a/utils/endian.go
+++ b/utils/endian.go
@@ -1,16 +1,21 @@
 package utils
 
-import "encoding/binary"
-
 func EncodeEndian(value uint64, length int) []byte {
-	byteSlice := make([]byte, length)
-	binary.LittleEndian.PutUint64(byteSlice, value)
-	return byteSlice
+	res := make([]byte, length)
+
+	for i := 0; i < length; i++ {
+		res[i] = byte(value & 0xff)
+		value = value >> 8
+	}
+	return res
 }
 
-func DecodeEndian(byteSlice []byte) uint64 {
-	buffer := make([]byte, 8)
-	copy(buffer, byteSlice)
+func DecodeEndian(bytes []byte) uint64 {
+	var total uint64
 
-	return binary.LittleEndian.Uint64(buffer)
+	for i := 0; i < len(bytes); i++ {
+		total += uint64(bytes[i]) << (8 * uint(i))
+	}
+
+	return total
 }