diff options
Diffstat (limited to 'src/mongo/gotools/vendor/src/golang.org/x/crypto/openpgp/packet/ocfb_test.go')
-rw-r--r-- | src/mongo/gotools/vendor/src/golang.org/x/crypto/openpgp/packet/ocfb_test.go | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/mongo/gotools/vendor/src/golang.org/x/crypto/openpgp/packet/ocfb_test.go b/src/mongo/gotools/vendor/src/golang.org/x/crypto/openpgp/packet/ocfb_test.go new file mode 100644 index 00000000000..91022c042d4 --- /dev/null +++ b/src/mongo/gotools/vendor/src/golang.org/x/crypto/openpgp/packet/ocfb_test.go @@ -0,0 +1,46 @@ +// Copyright 2010 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 packet + +import ( + "bytes" + "crypto/aes" + "crypto/rand" + "testing" +) + +var commonKey128 = []byte{0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c} + +func testOCFB(t *testing.T, resync OCFBResyncOption) { + block, err := aes.NewCipher(commonKey128) + if err != nil { + t.Error(err) + return + } + + plaintext := []byte("this is the plaintext, which is long enough to span several blocks.") + randData := make([]byte, block.BlockSize()) + rand.Reader.Read(randData) + ocfb, prefix := NewOCFBEncrypter(block, randData, resync) + ciphertext := make([]byte, len(plaintext)) + ocfb.XORKeyStream(ciphertext, plaintext) + + ocfbdec := NewOCFBDecrypter(block, prefix, resync) + if ocfbdec == nil { + t.Errorf("NewOCFBDecrypter failed (resync: %t)", resync) + return + } + plaintextCopy := make([]byte, len(plaintext)) + ocfbdec.XORKeyStream(plaintextCopy, ciphertext) + + if !bytes.Equal(plaintextCopy, plaintext) { + t.Errorf("got: %x, want: %x (resync: %t)", plaintextCopy, plaintext, resync) + } +} + +func TestOCFB(t *testing.T) { + testOCFB(t, OCFBNoResync) + testOCFB(t, OCFBResync) +} |