| Linux in-mum-web1499.main-hosting.eu 5.14.0-503.40.1.el9_5.x86_64 #1 SMP PREEMPT_DYNAMIC Mon May 5 06:06:04 EDT 2025 x86_64 Path : /opt/golang/1.22.0/src/crypto/des/ |
| Current File : //opt/golang/1.22.0/src/crypto/des/internal_test.go |
// Copyright 2023 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package des
import "testing"
func TestInitialPermute(t *testing.T) {
for i := uint(0); i < 64; i++ {
bit := uint64(1) << i
got := permuteInitialBlock(bit)
want := uint64(1) << finalPermutation[63-i]
if got != want {
t.Errorf("permute(%x) = %x, want %x", bit, got, want)
}
}
}
func TestFinalPermute(t *testing.T) {
for i := uint(0); i < 64; i++ {
bit := uint64(1) << i
got := permuteFinalBlock(bit)
want := uint64(1) << initialPermutation[63-i]
if got != want {
t.Errorf("permute(%x) = %x, want %x", bit, got, want)
}
}
}