| // 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. |
| |
| // CFB 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. 29-52. |
| |
| package block |
| |
| import ( |
| "bytes" |
| "crypto/aes" |
| "io" |
| "testing" |
| ) |
| |
| type cfbTest struct { |
| name string |
| s int |
| key []byte |
| iv []byte |
| in []byte |
| out []byte |
| } |
| |
| var cfbAESTests = []cfbTest{ |
| { |
| "CFB1-AES128", |
| 1, |
| commonKey128, |
| commonIV, |
| []byte{ |
| 0<<7 | 1<<6 | 1<<5 | 0<<4 | 1<<3 | 0<<2 | 1<<1, |
| 1<<7 | 1<<6 | 0<<5 | 0<<4 | 0<<3 | 0<<2 | 0<<1, |
| }, |
| []byte{ |
| 0<<7 | 1<<6 | 1<<5 | 0<<4 | 1<<3 | 0<<2 | 0<<1, |
| 1<<7 | 0<<6 | 1<<5 | 1<<4 | 0<<3 | 0<<2 | 1<<1, |
| }, |
| }, |
| { |
| "CFB1-AES192", |
| 1, |
| commonKey192, |
| commonIV, |
| []byte{ |
| 0<<7 | 1<<6 | 1<<5 | 0<<4 | 1<<3 | 0<<2 | 1<<1, |
| 1<<7 | 1<<6 | 0<<5 | 0<<4 | 0<<3 | 0<<2 | 0<<1, |
| }, |
| []byte{ |
| 1<<7 | 0<<6 | 0<<5 | 1<<4 | 0<<3 | 0<<2 | 1<<1, |
| 0<<7 | 1<<6 | 0<<5 | 1<<4 | 1<<3 | 0<<2 | 0<<1, |
| }, |
| }, |
| { |
| "CFB1-AES256", |
| 1, |
| commonKey256, |
| commonIV, |
| []byte{ |
| 0<<7 | 1<<6 | 1<<5 | 0<<4 | 1<<3 | 0<<2 | 1<<1, |
| 1<<7 | 1<<6 | 0<<5 | 0<<4 | 0<<3 | 0<<2 | 0<<1, |
| }, |
| []byte{ |
| 1<<7 | 0<<6 | 0<<5 | 1<<4 | 0<<3 | 0<<2 | 0<<1, |
| 0<<7 | 0<<6 | 1<<5 | 0<<4 | 1<<3 | 0<<2 | 0<<1, |
| }, |
| }, |
| |
| { |
| "CFB8-AES128", |
| 8, |
| commonKey128, |
| commonIV, |
| []byte{ |
| 0x6b, |
| 0xc1, |
| 0xbe, |
| 0xe2, |
| 0x2e, |
| 0x40, |
| 0x9f, |
| 0x96, |
| 0xe9, |
| 0x3d, |
| 0x7e, |
| 0x11, |
| 0x73, |
| 0x93, |
| 0x17, |
| 0x2a, |
| 0xae, |
| 0x2d, |
| }, |
| []byte{ |
| 0x3b, |
| 0x79, |
| 0x42, |
| 0x4c, |
| 0x9c, |
| 0x0d, |
| 0xd4, |
| 0x36, |
| 0xba, |
| 0xce, |
| 0x9e, |
| 0x0e, |
| 0xd4, |
| 0x58, |
| 0x6a, |
| 0x4f, |
| 0x32, |
| 0xb9, |
| }, |
| }, |
| |
| { |
| "CFB8-AES192", |
| 8, |
| commonKey192, |
| commonIV, |
| []byte{ |
| 0x6b, |
| 0xc1, |
| 0xbe, |
| 0xe2, |
| 0x2e, |
| 0x40, |
| 0x9f, |
| 0x96, |
| 0xe9, |
| 0x3d, |
| 0x7e, |
| 0x11, |
| 0x73, |
| 0x93, |
| 0x17, |
| 0x2a, |
| 0xae, |
| 0x2d, |
| }, |
| []byte{ |
| 0xcd, |
| 0xa2, |
| 0x52, |
| 0x1e, |
| 0xf0, |
| 0xa9, |
| 0x05, |
| 0xca, |
| 0x44, |
| 0xcd, |
| 0x05, |
| 0x7c, |
| 0xbf, |
| 0x0d, |
| 0x47, |
| 0xa0, |
| 0x67, |
| 0x8a, |
| }, |
| }, |
| |
| { |
| "CFB8-AES256", |
| 8, |
| commonKey256, |
| commonIV, |
| []byte{ |
| 0x6b, |
| 0xc1, |
| 0xbe, |
| 0xe2, |
| 0x2e, |
| 0x40, |
| 0x9f, |
| 0x96, |
| 0xe9, |
| 0x3d, |
| 0x7e, |
| 0x11, |
| 0x73, |
| 0x93, |
| 0x17, |
| 0x2a, |
| 0xae, |
| 0x2d, |
| }, |
| []byte{ |
| 0xdc, |
| 0x1f, |
| 0x1a, |
| 0x85, |
| 0x20, |
| 0xa6, |
| 0x4d, |
| 0xb5, |
| 0x5f, |
| 0xcc, |
| 0x8a, |
| 0xc5, |
| 0x54, |
| 0x84, |
| 0x4e, |
| 0x88, |
| 0x97, |
| 0x00, |
| }, |
| }, |
| |
| { |
| "CFB128-AES128", |
| 128, |
| commonKey128, |
| commonIV, |
| []byte{ |
| 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a, |
| 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51, |
| 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef, |
| 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10, |
| }, |
| []byte{ |
| 0x3b, 0x3f, 0xd9, 0x2e, 0xb7, 0x2d, 0xad, 0x20, 0x33, 0x34, 0x49, 0xf8, 0xe8, 0x3c, 0xfb, 0x4a, |
| 0xc8, 0xa6, 0x45, 0x37, 0xa0, 0xb3, 0xa9, 0x3f, 0xcd, 0xe3, 0xcd, 0xad, 0x9f, 0x1c, 0xe5, 0x8b, |
| 0x26, 0x75, 0x1f, 0x67, 0xa3, 0xcb, 0xb1, 0x40, 0xb1, 0x80, 0x8c, 0xf1, 0x87, 0xa4, 0xf4, 0xdf, |
| 0xc0, 0x4b, 0x05, 0x35, 0x7c, 0x5d, 0x1c, 0x0e, 0xea, 0xc4, 0xc6, 0x6f, 0x9f, 0xf7, 0xf2, 0xe6, |
| }, |
| }, |
| |
| { |
| "CFB128-AES192", |
| 128, |
| commonKey192, |
| commonIV, |
| []byte{ |
| 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a, |
| 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51, |
| 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef, |
| 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10, |
| }, |
| []byte{ |
| 0xcd, 0xc8, 0x0d, 0x6f, 0xdd, 0xf1, 0x8c, 0xab, 0x34, 0xc2, 0x59, 0x09, 0xc9, 0x9a, 0x41, 0x74, |
| 0x67, 0xce, 0x7f, 0x7f, 0x81, 0x17, 0x36, 0x21, 0x96, 0x1a, 0x2b, 0x70, 0x17, 0x1d, 0x3d, 0x7a, |
| 0x2e, 0x1e, 0x8a, 0x1d, 0xd5, 0x9b, 0x88, 0xb1, 0xc8, 0xe6, 0x0f, 0xed, 0x1e, 0xfa, 0xc4, 0xc9, |
| 0xc0, 0x5f, 0x9f, 0x9c, 0xa9, 0x83, 0x4f, 0xa0, 0x42, 0xae, 0x8f, 0xba, 0x58, 0x4b, 0x09, 0xff, |
| }, |
| }, |
| |
| { |
| "CFB128-AES256", |
| 128, |
| commonKey256, |
| commonIV, |
| []byte{ |
| 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a, |
| 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51, |
| 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef, |
| 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10, |
| }, |
| []byte{ |
| 0xdc, 0x7e, 0x84, 0xbf, 0xda, 0x79, 0x16, 0x4b, 0x7e, 0xcd, 0x84, 0x86, 0x98, 0x5d, 0x38, 0x60, |
| 0x39, 0xff, 0xed, 0x14, 0x3b, 0x28, 0xb1, 0xc8, 0x32, 0x11, 0x3c, 0x63, 0x31, 0xe5, 0x40, 0x7b, |
| 0xdf, 0x10, 0x13, 0x24, 0x15, 0xe5, 0x4b, 0x92, 0xa1, 0x3e, 0xd0, 0xa8, 0x26, 0x7a, 0xe2, 0xf9, |
| 0x75, 0xa3, 0x85, 0x74, 0x1a, 0xb9, 0xce, 0xf8, 0x20, 0x31, 0x62, 0x3d, 0x55, 0xb1, 0xe4, 0x71, |
| }, |
| }, |
| } |
| |
| func TestCFB_AES(t *testing.T) { |
| for _, tt := range cfbAESTests { |
| test := tt.name |
| |
| if tt.s == 1 { |
| // 1-bit CFB not implemented |
| continue |
| } |
| |
| 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 := NewCFBEncrypter(c, tt.s, tt.iv, &crypt) |
| var r io.Reader = bytes.NewBuffer(tt.in) |
| n, err := io.Copy(w, r) |
| if n != int64(len(tt.in)) || err != nil { |
| t.Errorf("%s: CFBEncrypter io.Copy = %d, %v want %d, nil", test, n, err, len(tt.in)) |
| } else if d := crypt.Bytes(); !same(tt.out, d) { |
| t.Errorf("%s: CFBEncrypter\nhave %x\nwant %x", test, d, tt.out) |
| } |
| |
| var plain bytes.Buffer |
| r = NewCFBDecrypter(c, tt.s, tt.iv, bytes.NewBuffer(tt.out)) |
| w = &plain |
| n, err = io.Copy(w, r) |
| if n != int64(len(tt.out)) || err != nil { |
| t.Errorf("%s: CFBDecrypter io.Copy = %d, %v want %d, nil", test, n, err, len(tt.out)) |
| } else if d := plain.Bytes(); !same(tt.in, d) { |
| t.Errorf("%s: CFBDecrypter\nhave %x\nwant %x", test, d, tt.in) |
| } |
| |
| if t.Failed() { |
| break |
| } |
| } |
| } |
