GODT-1155 Update gopenpgp and use go-srp

pkg/pmapi/passwords_test.go

@@ -0,0 +1,44 @@
+// Copyright (c) 2021 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package pmapi
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestMailboxPassword(t *testing.T) {
+	// wantHash was generated with passprase and salt defined below. It
+	// should not change when changing implementation of the function.
+	wantHash := []byte("B5nwpsJQSTJ16ldr64Vdq6oeCCn32Fi")
+
+	// Valid salt is 128bit long (16bytes)
+	// $echo aaaabbbbccccdddd | base64
+	salt := "YWFhYWJiYmJjY2NjZGRkZAo="
+
+	passphrase := []byte("random")
+
+	r := require.New(t)
+	_, err := HashMailboxPassword(passphrase, "badsalt")
+	r.Error(err)
+
+	haveHash, err := HashMailboxPassword(passphrase, salt)
+	r.NoError(err)
+	r.Equal(wantHash, haveHash)
+}