| // Copyright 2009 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. |
| |
| // CBC AES test vectors. |
| |
| // See U.S. National Institute of Standards and Technology (NIST) |
| // Special Publication 800-38A, ``Recommendation for Block Cipher |
| // Modes of Operation,'' 2001 Edition, pp. 24-29. |
| |
| package block |
| |
| // gobuild: $GC ecb_aes_test.go |
| |
| import ( |
| "bytes"; |
| "crypto/aes"; |
| "crypto/block"; |
| "io"; |
| "os"; |
| "testing"; |
| |
| "./ecb_aes_test"; |
| ) |
| |
| type cbcTest struct { |
| name string; |
| key []byte; |
| iv []byte; |
| in []byte; |
| out []byte; |
| } |
| |
| var cbcAESTests = []cbcTest { |
| // NIST SP 800-38A pp 27-29 |
| cbcTest { |
| "CBC-AES128", |
| commonKey128, |
| commonIV, |
| commonInput, |
| []byte { |
| 0x76, 0x49, 0xab, 0xac, 0x81, 0x19, 0xb2, 0x46, 0xce, 0xe9, 0x8e, 0x9b, 0x12, 0xe9, 0x19, 0x7d, |
| 0x50, 0x86, 0xcb, 0x9b, 0x50, 0x72, 0x19, 0xee, 0x95, 0xdb, 0x11, 0x3a, 0x91, 0x76, 0x78, 0xb2, |
| 0x73, 0xbe, 0xd6, 0xb8, 0xe3, 0xc1, 0x74, 0x3b, 0x71, 0x16, 0xe6, 0x9e, 0x22, 0x22, 0x95, 0x16, |
| 0x3f, 0xf1, 0xca, 0xa1, 0x68, 0x1f, 0xac, 0x09, 0x12, 0x0e, 0xca, 0x30, 0x75, 0x86, 0xe1, 0xa7, |
| }, |
| }, |
| cbcTest { |
| "CBC-AES192", |
| commonKey192, |
| commonIV, |
| commonInput, |
| []byte { |
| 0x4f, 0x02, 0x1d, 0xb2, 0x43, 0xbc, 0x63, 0x3d, 0x71, 0x78, 0x18, 0x3a, 0x9f, 0xa0, 0x71, 0xe8, |
| 0xb4, 0xd9, 0xad, 0xa9, 0xad, 0x7d, 0xed, 0xf4, 0xe5, 0xe7, 0x38, 0x76, 0x3f, 0x69, 0x14, 0x5a, |
| 0x57, 0x1b, 0x24, 0x20, 0x12, 0xfb, 0x7a, 0xe0, 0x7f, 0xa9, 0xba, 0xac, 0x3d, 0xf1, 0x02, 0xe0, |
| 0x08, 0xb0, 0xe2, 0x79, 0x88, 0x59, 0x88, 0x81, 0xd9, 0x20, 0xa9, 0xe6, 0x4f, 0x56, 0x15, 0xcd, |
| }, |
| }, |
| cbcTest { |
| "CBC-AES256", |
| commonKey256, |
| commonIV, |
| commonInput, |
| []byte { |
| 0xf5, 0x8c, 0x4c, 0x04, 0xd6, 0xe5, 0xf1, 0xba, 0x77, 0x9e, 0xab, 0xfb, 0x5f, 0x7b, 0xfb, 0xd6, |
| 0x9c, 0xfc, 0x4e, 0x96, 0x7e, 0xdb, 0x80, 0x8d, 0x67, 0x9f, 0x77, 0x7b, 0xc6, 0x70, 0x2c, 0x7d, |
| 0x39, 0xf2, 0x33, 0x69, 0xa9, 0xd9, 0xba, 0xcf, 0xa5, 0x30, 0xe2, 0x63, 0x04, 0x23, 0x14, 0x61, |
| 0xb2, 0xeb, 0x05, 0xe2, 0xc3, 0x9b, 0xe9, 0xfc, 0xda, 0x6c, 0x19, 0x07, 0x8c, 0x6a, 0x9d, 0x1b, |
| }, |
| }, |
| } |
| |
| func TestCBC_AES(t *testing.T) { |
| for i, tt := range cbcAESTests { |
| test := tt.name; |
| |
| c, err := aes.NewCipher(tt.key); |
| if err != nil { |
| t.Errorf("%s: NewCipher(%d bytes) = %s", test, len(tt.key), err); |
| continue; |
| } |
| |
| var crypt bytes.Buffer; |
| w := NewCBCEncrypter(c, tt.iv, &crypt); |
| var r io.Reader = io.NewByteReader(tt.in); |
| n, err := io.Copy(r, w); |
| if n != int64(len(tt.in)) || err != nil { |
| t.Errorf("%s: CBCEncrypter io.Copy = %d, %v want %d, nil", test, n, err, len(tt.in)); |
| } else if d := crypt.Data(); !same(tt.out, d) { |
| t.Errorf("%s: CBCEncrypter\nhave %x\nwant %x", test, d, tt.out); |
| } |
| |
| var plain bytes.Buffer; |
| r = NewCBCDecrypter(c, tt.iv, io.NewByteReader(tt.out)); |
| w = &plain; |
| n, err = io.Copy(r, w); |
| if n != int64(len(tt.out)) || err != nil { |
| t.Errorf("%s: CBCDecrypter io.Copy = %d, %v want %d, nil", test, n, err, len(tt.out)); |
| } else if d := plain.Data(); !same(tt.in, d) { |
| t.Errorf("%s: CBCDecrypter\nhave %x\nwant %x", test, d, tt.in); |
| } |
| |
| if t.Failed() { |
| break; |
| } |
| } |
| } |