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103 lines
3.0 KiB
Go
103 lines
3.0 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// CTR AES test vectors.
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// See U.S. National Institute of Standards and Technology (NIST)
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// Special Publication 800-38A, ``Recommendation for Block Cipher
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// Modes of Operation,'' 2001 Edition, pp. 55-58.
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package cipher_test
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import (
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"bytes"
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"crypto/aes"
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"crypto/cipher"
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"testing"
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)
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var commonCounter = []byte{0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff}
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var ctrAESTests = []struct {
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name string
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key []byte
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iv []byte
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in []byte
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out []byte
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}{
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// NIST SP 800-38A pp 55-58
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{
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"CTR-AES128",
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commonKey128,
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commonCounter,
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commonInput,
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[]byte{
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0x87, 0x4d, 0x61, 0x91, 0xb6, 0x20, 0xe3, 0x26, 0x1b, 0xef, 0x68, 0x64, 0x99, 0x0d, 0xb6, 0xce,
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0x98, 0x06, 0xf6, 0x6b, 0x79, 0x70, 0xfd, 0xff, 0x86, 0x17, 0x18, 0x7b, 0xb9, 0xff, 0xfd, 0xff,
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0x5a, 0xe4, 0xdf, 0x3e, 0xdb, 0xd5, 0xd3, 0x5e, 0x5b, 0x4f, 0x09, 0x02, 0x0d, 0xb0, 0x3e, 0xab,
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0x1e, 0x03, 0x1d, 0xda, 0x2f, 0xbe, 0x03, 0xd1, 0x79, 0x21, 0x70, 0xa0, 0xf3, 0x00, 0x9c, 0xee,
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},
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},
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{
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"CTR-AES192",
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commonKey192,
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commonCounter,
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commonInput,
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[]byte{
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0x1a, 0xbc, 0x93, 0x24, 0x17, 0x52, 0x1c, 0xa2, 0x4f, 0x2b, 0x04, 0x59, 0xfe, 0x7e, 0x6e, 0x0b,
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0x09, 0x03, 0x39, 0xec, 0x0a, 0xa6, 0xfa, 0xef, 0xd5, 0xcc, 0xc2, 0xc6, 0xf4, 0xce, 0x8e, 0x94,
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0x1e, 0x36, 0xb2, 0x6b, 0xd1, 0xeb, 0xc6, 0x70, 0xd1, 0xbd, 0x1d, 0x66, 0x56, 0x20, 0xab, 0xf7,
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0x4f, 0x78, 0xa7, 0xf6, 0xd2, 0x98, 0x09, 0x58, 0x5a, 0x97, 0xda, 0xec, 0x58, 0xc6, 0xb0, 0x50,
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},
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},
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{
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"CTR-AES256",
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commonKey256,
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commonCounter,
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commonInput,
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[]byte{
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0x60, 0x1e, 0xc3, 0x13, 0x77, 0x57, 0x89, 0xa5, 0xb7, 0xa7, 0xf5, 0x04, 0xbb, 0xf3, 0xd2, 0x28,
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0xf4, 0x43, 0xe3, 0xca, 0x4d, 0x62, 0xb5, 0x9a, 0xca, 0x84, 0xe9, 0x90, 0xca, 0xca, 0xf5, 0xc5,
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0x2b, 0x09, 0x30, 0xda, 0xa2, 0x3d, 0xe9, 0x4c, 0xe8, 0x70, 0x17, 0xba, 0x2d, 0x84, 0x98, 0x8d,
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0xdf, 0xc9, 0xc5, 0x8d, 0xb6, 0x7a, 0xad, 0xa6, 0x13, 0xc2, 0xdd, 0x08, 0x45, 0x79, 0x41, 0xa6,
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},
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},
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}
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func TestCTR_AES(t *testing.T) {
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for _, tt := range ctrAESTests {
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test := tt.name
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c, err := aes.NewCipher(tt.key)
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if err != nil {
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t.Errorf("%s: NewCipher(%d bytes) = %s", test, len(tt.key), err)
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continue
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}
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for j := 0; j <= 5; j += 5 {
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in := tt.in[0 : len(tt.in)-j]
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ctr := cipher.NewCTR(c, tt.iv)
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encrypted := make([]byte, len(in))
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ctr.XORKeyStream(encrypted, in)
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if out := tt.out[0:len(in)]; !bytes.Equal(out, encrypted) {
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t.Errorf("%s/%d: CTR\ninpt %x\nhave %x\nwant %x", test, len(in), in, encrypted, out)
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}
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}
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for j := 0; j <= 7; j += 7 {
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in := tt.out[0 : len(tt.out)-j]
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ctr := cipher.NewCTR(c, tt.iv)
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plain := make([]byte, len(in))
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ctr.XORKeyStream(plain, in)
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if out := tt.in[0:len(in)]; !bytes.Equal(out, plain) {
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t.Errorf("%s/%d: CTRReader\nhave %x\nwant %x", test, len(out), plain, out)
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}
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}
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if t.Failed() {
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break
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}
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}
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}
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