replace byHash helper

Signed-off-by: Tim Ramlot <[email protected]>

pkg/bundle/source.go

@@ -23,7 +23,7 @@ import (
 	"encoding/hex"
 	"encoding/pem"
 	"fmt"
-	"sort"
+	"slices"
 	"strings"
 
 	jks "github.com/pavlo-v-chernykh/keystore-go/v4"
@@ -344,24 +344,6 @@ func (b *bundleData) populateData(bundles []string, formats *trustapi.Additional
 	return nil
 }
 
-// byHash is a type alias for sorting the slice of [32]byte arrays
-type byHash [][32]byte
-
-// Len returns the length of the slice
-func (a byHash) Len() int {
-	return len(a)
-}
-
-// Swap swaps two elements in the slice
-func (a byHash) Swap(i, j int) {
-	a[i], a[j] = a[j], a[i]
-}
-
-// Less compares two elements in the slice
-func (a byHash) Less(i, j int) bool {
-	return bytes.Compare(a[i][:], a[j][:]) == -1
-}
-
 // remove duplicate certificates from bundles and sort certificates by hash
 func deduplicateAndSortBundles(bundles []string) ([]string, error) {
 	var block *pem.Block
@@ -395,7 +377,9 @@ func deduplicateAndSortBundles(bundles []string) ([]string, error) {
 	for key := range certificatesHashes {
 		orderedKeys = append(orderedKeys, key)
 	}
-	sort.Sort(byHash(orderedKeys))
+	slices.SortFunc(orderedKeys, func(a, b [32]byte) int {
+		return bytes.Compare(a[:], b[:])
+	})
 
 	var sortedDeduplicatedCerts []string
 	for _, key := range orderedKeys {