fix(encryption): replace encryption related methods for fips mode [be-11933] (#919)

Co-authored-by: andres-portainer <andres-portainer@users.noreply.github.com>

api/http/handler/backup/backup_test.go

@@ -18,10 +18,15 @@ import (
 	"github.com/portainer/portainer/api/crypto"
 	"github.com/portainer/portainer/api/http/offlinegate"
 	"github.com/portainer/portainer/api/internal/testhelpers"
+	"github.com/portainer/portainer/pkg/fips"
 
 	"github.com/stretchr/testify/assert"
 )
 
+func init() {
+	fips.InitFIPS(false)
+}
+
 func listFiles(dir string) []string {
 	items := make([]string, 0)
 	filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {

api/http/handler/customtemplates/customtemplate_git_fetch_test.go

@@ -20,12 +20,17 @@ import (
 	"github.com/portainer/portainer/api/internal/authorization"
 	"github.com/portainer/portainer/api/internal/testhelpers"
 	"github.com/portainer/portainer/api/jwt"
+	"github.com/portainer/portainer/pkg/fips"
 	httperror "github.com/portainer/portainer/pkg/libhttp/error"
 
 	"github.com/segmentio/encoding/json"
 	"github.com/stretchr/testify/assert"
 )
 
+func init() {
+	fips.InitFIPS(false)
+}
+
 var testFileContent = "abcdefg"
 
 type TestGitService struct {

api/http/handler/motd/motd.go

@@ -60,7 +60,7 @@ func (handler *Handler) motd(w http.ResponseWriter, r *http.Request) {
 
 	message := strings.Join(data.Message, "\n")
 
-	hash := libcrypto.HashFromBytes([]byte(message))
+	hash := libcrypto.InsecureHashFromBytes([]byte(message))
 	resp := motdResponse{
 		Title:         data.Title,
 		Message:       message,