From 32dd47889497827ee815dea8bdd3578d3e9b2c19 Mon Sep 17 00:00:00 2001
From: Daniel Hougaard <62331820+DanielHougaard@users.noreply.github.com>
Date: Wed, 12 Jun 2024 02:10:35 +0200
Subject: [PATCH] Fix: Local ETag computation

---
 k8-operator/packages/crypto/crypto.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/k8-operator/packages/crypto/crypto.go b/k8-operator/packages/crypto/crypto.go
index e8633e273..810382af1 100644
--- a/k8-operator/packages/crypto/crypto.go
+++ b/k8-operator/packages/crypto/crypto.go
@@ -3,6 +3,8 @@ package crypto
 import (
 	"crypto/aes"
 	"crypto/cipher"
+	"fmt"
+	"hash/crc32"
 
 	"golang.org/x/crypto/nacl/box"
 )
@@ -33,3 +35,8 @@ func DecryptAsymmetric(ciphertext []byte, nonce []byte, publicKey []byte, privat
 	plainTextToReturn, _ := box.Open(nil, ciphertext, (*[24]byte)(nonce), (*[32]byte)(publicKey), (*[32]byte)(privateKey))
 	return plainTextToReturn
 }
+
+func ComputeEtag(data []byte) string {
+	crc := crc32.ChecksumIEEE(data)
+	return fmt.Sprintf(`W/"secrets-%d-%08X"`, len(data), crc)
+}