mirror of
https://github.com/taigrr/arduinolibs
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465 lines
17 KiB
C++
465 lines
17 KiB
C++
/*
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* Copyright (C) 2016 Southern Storm Software, Pty Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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/*
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This example runs tests on the XTS implementation to verify correct behaviour.
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*/
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#include <Crypto.h>
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#include <AES.h>
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#include <Speck.h>
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#include <SpeckSmall.h>
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#include <SpeckTiny.h>
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#include <XTS.h>
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#include <string.h>
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#define MAX_SECTOR_SIZE 64
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struct TestVector
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{
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const char *name;
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byte key1[16];
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byte key2[16];
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byte plaintext[MAX_SECTOR_SIZE];
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byte ciphertext[MAX_SECTOR_SIZE];
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byte tweak[16];
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size_t sectorSize;
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};
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// Selected test vectors for XTS-AES-128 from:
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// http://libeccio.di.unisa.it/Crypto14/Lab/p1619.pdf
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static TestVector const testVectorXTSAES128_1 PROGMEM = {
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.name = "XTS-AES-128 #1",
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.key1 = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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.key2 = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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.plaintext = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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.ciphertext = {0x91, 0x7c, 0xf6, 0x9e, 0xbd, 0x68, 0xb2, 0xec,
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0x9b, 0x9f, 0xe9, 0xa3, 0xea, 0xdd, 0xa6, 0x92,
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0xcd, 0x43, 0xd2, 0xf5, 0x95, 0x98, 0xed, 0x85,
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0x8c, 0x02, 0xc2, 0x65, 0x2f, 0xbf, 0x92, 0x2e},
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.tweak = {0x00},
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.sectorSize = 32
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};
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static TestVector const testVectorXTSAES128_2 PROGMEM = {
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.name = "XTS-AES-128 #2",
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.key1 = {0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
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0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11},
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.key2 = {0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22,
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0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22},
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.plaintext = {0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
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0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
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0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
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0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44},
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.ciphertext = {0xc4, 0x54, 0x18, 0x5e, 0x6a, 0x16, 0x93, 0x6e,
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0x39, 0x33, 0x40, 0x38, 0xac, 0xef, 0x83, 0x8b,
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0xfb, 0x18, 0x6f, 0xff, 0x74, 0x80, 0xad, 0xc4,
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0x28, 0x93, 0x82, 0xec, 0xd6, 0xd3, 0x94, 0xf0},
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.tweak = {0x33, 0x33, 0x33, 0x33, 0x33},
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.sectorSize = 32
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};
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static TestVector const testVectorXTSAES128_3 PROGMEM = {
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.name = "XTS-AES-128 #3",
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.key1 = {0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8,
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0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0},
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.key2 = {0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22,
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0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22},
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.plaintext = {0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
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0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
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0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
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0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44},
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.ciphertext = {0xaf, 0x85, 0x33, 0x6b, 0x59, 0x7a, 0xfc, 0x1a,
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0x90, 0x0b, 0x2e, 0xb2, 0x1e, 0xc9, 0x49, 0xd2,
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0x92, 0xdf, 0x4c, 0x04, 0x7e, 0x0b, 0x21, 0x53,
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0x21, 0x86, 0xa5, 0x97, 0x1a, 0x22, 0x7a, 0x89},
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.tweak = {0x33, 0x33, 0x33, 0x33, 0x33},
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.sectorSize = 32
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};
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static TestVector const testVectorXTSAES128_4 PROGMEM = {
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// 512 byte test vector from the spec truncated to the first 64 bytes.
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.name = "XTS-AES-128 #4",
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.key1 = {0x27, 0x18, 0x28, 0x18, 0x28, 0x45, 0x90, 0x45,
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0x23, 0x53, 0x60, 0x28, 0x74, 0x71, 0x35, 0x26},
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.key2 = {0x31, 0x41, 0x59, 0x26, 0x53, 0x58, 0x97, 0x93,
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0x23, 0x84, 0x62, 0x64, 0x33, 0x83, 0x27, 0x95},
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.plaintext = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
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0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
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0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
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0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
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0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
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0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
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0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f},
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.ciphertext = {0x27, 0xa7, 0x47, 0x9b, 0xef, 0xa1, 0xd4, 0x76,
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0x48, 0x9f, 0x30, 0x8c, 0xd4, 0xcf, 0xa6, 0xe2,
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0xa9, 0x6e, 0x4b, 0xbe, 0x32, 0x08, 0xff, 0x25,
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0x28, 0x7d, 0xd3, 0x81, 0x96, 0x16, 0xe8, 0x9c,
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0xc7, 0x8c, 0xf7, 0xf5, 0xe5, 0x43, 0x44, 0x5f,
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0x83, 0x33, 0xd8, 0xfa, 0x7f, 0x56, 0x00, 0x00,
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0x05, 0x27, 0x9f, 0xa5, 0xd8, 0xb5, 0xe4, 0xad,
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0x40, 0xe7, 0x36, 0xdd, 0xb4, 0xd3, 0x54, 0x12},
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.tweak = {0x00},
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.sectorSize = 64
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};
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static TestVector const testVectorXTSAES128_15 PROGMEM = {
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.name = "XTS-AES-128 #15",
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.key1 = {0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8,
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0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0},
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.key2 = {0xbf, 0xbe, 0xbd, 0xbc, 0xbb, 0xba, 0xb9, 0xb8,
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0xb7, 0xb6, 0xb5, 0xb4, 0xb3, 0xb2, 0xb1, 0xb0},
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.plaintext = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
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0x10},
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.ciphertext = {0x6c, 0x16, 0x25, 0xdb, 0x46, 0x71, 0x52, 0x2d,
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0x3d, 0x75, 0x99, 0x60, 0x1d, 0xe7, 0xca, 0x09,
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0xed},
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.tweak = {0x9a, 0x78, 0x56, 0x34, 0x12},
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.sectorSize = 17
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};
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// This test vector is from:
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// https://github.com/heisencoder/XTS-AES/blob/master/testvals/xts.4
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// We use this one because the main specification doesn't have an odd
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// block size greater than 32 bytes but less than 64 bytes.
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static TestVector const testVectorXTSAES128_16 PROGMEM = {
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.name = "XTS-AES-128 #16",
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.key1 = {0x27, 0x18, 0x28, 0x18, 0x28, 0x45, 0x90, 0x45,
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0x23, 0x53, 0x60, 0x28, 0x74, 0x71, 0x35, 0x26},
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.key2 = {0x31, 0x41, 0x59, 0x26, 0x53, 0x58, 0x97, 0x93,
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0x23, 0x84, 0x62, 0x64, 0x33, 0x83, 0x27, 0x95},
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.plaintext = {0x50, 0x00, 0xec, 0xa5, 0xa1, 0xf6, 0xa4, 0x93,
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0x78, 0x03, 0x0d, 0x9e, 0xe8, 0x05, 0xac, 0xef,
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0x46, 0x0f, 0x31, 0x4e, 0xe0, 0x4b, 0xb5, 0x14,
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0x03, 0x4e, 0xb2, 0x7f, 0xb8, 0xdf, 0x2b, 0xc8,
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0x12, 0xae, 0x5b, 0xdf, 0x8c},
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.ciphertext = {0xe5, 0x9e, 0x6f, 0x23, 0x3b, 0xe0, 0xe0, 0x83,
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0x04, 0x83, 0xc6, 0xbd, 0x4e, 0x82, 0xf4, 0xc3,
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0x95, 0x43, 0x55, 0x8a, 0x25, 0xe3, 0xdb, 0x60,
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0xa5, 0x53, 0xa5, 0x94, 0x81, 0x45, 0xa6, 0xff,
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0xb5, 0xe6, 0xbe, 0x1d, 0xb5},
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.tweak = {0x33, 0x22, 0x11, 0x00},
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.sectorSize = 37
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};
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XTS<AES128> *xtsaes128;
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TestVector testVector;
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byte buffer[MAX_SECTOR_SIZE];
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#if defined(__AVR__)
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void _printProgMem(const char *str)
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{
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for (;;) {
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uint8_t ch = pgm_read_byte((const uint8_t *)str);
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if (!ch)
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break;
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Serial.write(ch);
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++str;
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}
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}
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#define printProgMem(str) \
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do { \
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static char const temp_str[] PROGMEM = str; \
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_printProgMem(temp_str); \
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} while (0)
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#define printlnProgMem(str) \
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do { \
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static char const temp_str[] PROGMEM = str; \
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_printProgMem(temp_str); \
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Serial.println(); \
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} while (0)
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#else
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#define printProgMem(str) \
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Serial.print(str)
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#define printlnProgMem(str) \
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Serial.println(str)
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#endif
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void testXTS(XTSCommon *cipher, const struct TestVector *test)
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{
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memcpy_P(&testVector, test, sizeof(testVector));
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Serial.print(testVector.name);
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printProgMem(" Encrypt ... ");
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cipher->setSectorSize(testVector.sectorSize);
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cipher->setKey(testVector.key1, 32);
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cipher->setTweak(testVector.tweak, sizeof(testVector.tweak));
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cipher->encryptSector(buffer, testVector.plaintext);
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if (!memcmp(buffer, testVector.ciphertext, testVector.sectorSize))
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printlnProgMem("Passed");
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else
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printlnProgMem("Failed");
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Serial.print(testVector.name);
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printProgMem(" Decrypt ... ");
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cipher->decryptSector(buffer, testVector.ciphertext);
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if (!memcmp(buffer, testVector.plaintext, testVector.sectorSize))
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printlnProgMem("Passed");
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else
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printlnProgMem("Failed");
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Serial.print(testVector.name);
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printProgMem(" Encrypt In-Place ... ");
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memcpy(buffer, testVector.plaintext, testVector.sectorSize);
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cipher->encryptSector(buffer, buffer);
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if (!memcmp(buffer, testVector.ciphertext, testVector.sectorSize))
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printlnProgMem("Passed");
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else
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printlnProgMem("Failed");
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Serial.print(testVector.name);
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printProgMem(" Decrypt In-Place ... ");
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memcpy(buffer, testVector.ciphertext, testVector.sectorSize);
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cipher->decryptSector(buffer, buffer);
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if (!memcmp(buffer, testVector.plaintext, testVector.sectorSize))
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printlnProgMem("Passed");
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else
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printlnProgMem("Failed");
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}
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void perfEncrypt(const char *name, XTSCommon *cipher, const struct TestVector *test, size_t keySize = 32)
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{
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unsigned long start;
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unsigned long elapsed;
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int count;
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memcpy_P(&testVector, test, sizeof(testVector));
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Serial.print(name);
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printProgMem(" ... ");
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cipher->setSectorSize(sizeof(buffer));
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cipher->setKey(testVector.key1, keySize);
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cipher->setTweak(testVector.tweak, sizeof(testVector.tweak));
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memset(buffer, 0xAA, sizeof(buffer));
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start = micros();
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for (count = 0; count < 500; ++count) {
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cipher->encryptSector(buffer, buffer);
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}
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elapsed = micros() - start;
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Serial.print(elapsed / (sizeof(buffer) * 500.0));
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printProgMem("us per byte, ");
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Serial.print((sizeof(buffer) * 500.0 * 1000000.0) / elapsed);
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printlnProgMem(" bytes per second");
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}
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void perfDecrypt(const char *name, XTSCommon *cipher, const struct TestVector *test, size_t keySize = 32)
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{
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unsigned long start;
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unsigned long elapsed;
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int count;
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memcpy_P(&testVector, test, sizeof(testVector));
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Serial.print(name);
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printProgMem(" ... ");
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cipher->setSectorSize(sizeof(buffer));
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cipher->setKey(testVector.key1, keySize);
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cipher->setTweak(testVector.tweak, sizeof(testVector.tweak));
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start = micros();
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for (count = 0; count < 500; ++count) {
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cipher->decryptSector(buffer, buffer);
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}
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elapsed = micros() - start;
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Serial.print(elapsed / (sizeof(buffer) * 500.0));
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printProgMem("us per byte, ");
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Serial.print((sizeof(buffer) * 500.0 * 1000000.0) / elapsed);
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printlnProgMem(" bytes per second");
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}
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void perfSetKey(const char *name, XTSCommon *cipher, const struct TestVector *test, size_t keySize = 32)
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{
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unsigned long start;
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unsigned long elapsed;
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int count;
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memcpy_P(&testVector, test, sizeof(testVector));
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Serial.print(name);
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printProgMem(" ... ");
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start = micros();
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for (count = 0; count < 2000; ++count) {
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cipher->setKey(testVector.key1, keySize);
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}
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elapsed = micros() - start;
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Serial.print(elapsed / 2000.0);
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printProgMem("us per operation, ");
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Serial.print((2000.0 * 1000000.0) / elapsed);
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printlnProgMem(" operations per second");
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}
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void perfSetTweak(const char *name, XTSCommon *cipher, const struct TestVector *test)
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{
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unsigned long start;
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unsigned long elapsed;
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int count;
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memcpy_P(&testVector, test, sizeof(testVector));
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Serial.print(name);
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printProgMem(" ... ");
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start = micros();
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for (count = 0; count < 2000; ++count) {
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cipher->setTweak(testVector.tweak, sizeof(testVector.tweak));
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}
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elapsed = micros() - start;
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Serial.print(elapsed / 2000.0);
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printProgMem("us per operation, ");
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Serial.print((2000.0 * 1000000.0) / elapsed);
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printlnProgMem(" operations per second");
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}
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void setup()
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{
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Serial.begin(9600);
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Serial.println();
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xtsaes128 = new XTS<AES128>();
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printlnProgMem("State Sizes:");
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printProgMem("XTS<AES128> ... ");
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Serial.println(sizeof(*xtsaes128));
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printProgMem("XTS<AES256> ... ");
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Serial.println(sizeof(XTS<AES256>));
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printProgMem("XTS<Speck> ... ");
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Serial.println(sizeof(XTS<Speck>));
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printProgMem("XTS<SpeckSmall> ... ");
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Serial.println(sizeof(XTS<SpeckSmall>));
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printProgMem("XTS<SpeckSmall, SpeckTiny> ... ");
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Serial.println(sizeof(XTS<SpeckSmall, SpeckTiny>));
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printProgMem("XTSSingleKey<AES128> ... ");
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Serial.println(sizeof(XTSSingleKey<AES128>));
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printProgMem("XTSSingleKey<AES256> ... ");
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Serial.println(sizeof(XTSSingleKey<AES256>));
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printProgMem("XTSSingleKey<Speck> ... ");
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Serial.println(sizeof(XTSSingleKey<Speck>));
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printProgMem("XTSSingleKey<SpeckSmall> ... ");
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Serial.println(sizeof(XTSSingleKey<SpeckSmall>));
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Serial.println();
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|
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printlnProgMem("Test Vectors:");
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testXTS(xtsaes128, &testVectorXTSAES128_1);
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testXTS(xtsaes128, &testVectorXTSAES128_2);
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testXTS(xtsaes128, &testVectorXTSAES128_3);
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testXTS(xtsaes128, &testVectorXTSAES128_4);
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testXTS(xtsaes128, &testVectorXTSAES128_15);
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testXTS(xtsaes128, &testVectorXTSAES128_16);
|
|
|
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Serial.println();
|
|
|
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printlnProgMem("Performance Tests:");
|
|
Serial.println();
|
|
|
|
printlnProgMem("XTS-AES-128:");
|
|
perfEncrypt("Encrypt", xtsaes128, &testVectorXTSAES128_4);
|
|
perfDecrypt("Decrypt", xtsaes128, &testVectorXTSAES128_4);
|
|
perfSetKey("Set Key", xtsaes128, &testVectorXTSAES128_4);
|
|
perfSetTweak("Set Tweak", xtsaes128, &testVectorXTSAES128_4);
|
|
delete xtsaes128;
|
|
Serial.println();
|
|
|
|
printlnProgMem("XTS-AES-128 Single Key:");
|
|
XTSSingleKey<AES128> *singleaes128 = new XTSSingleKey<AES128>();
|
|
perfEncrypt("Encrypt", singleaes128, &testVectorXTSAES128_4, 16);
|
|
perfDecrypt("Decrypt", singleaes128, &testVectorXTSAES128_4, 16);
|
|
perfSetKey("Set Key", singleaes128, &testVectorXTSAES128_4, 16);
|
|
perfSetTweak("Set Tweak", singleaes128, &testVectorXTSAES128_4);
|
|
delete singleaes128;
|
|
Serial.println();
|
|
|
|
printlnProgMem("XTS-AES-256 Single Key:");
|
|
XTSSingleKey<AES256> *xtsaes256 = new XTSSingleKey<AES256>();
|
|
perfEncrypt("Encrypt", xtsaes256, &testVectorXTSAES128_4, 32);
|
|
perfDecrypt("Decrypt", xtsaes256, &testVectorXTSAES128_4, 32);
|
|
perfSetKey("Set Key", xtsaes256, &testVectorXTSAES128_4, 32);
|
|
perfSetTweak("Set Tweak", xtsaes256, &testVectorXTSAES128_4);
|
|
delete xtsaes256;
|
|
Serial.println();
|
|
|
|
printlnProgMem("XTS-SpeckSmall-256:");
|
|
XTS<SpeckSmall, SpeckTiny> *xtsspeck = new XTS<SpeckSmall, SpeckTiny>();
|
|
perfEncrypt("Encrypt", xtsspeck, &testVectorXTSAES128_4, 64);
|
|
perfDecrypt("Decrypt", xtsspeck, &testVectorXTSAES128_4, 64);
|
|
perfSetKey("Set Key", xtsspeck, &testVectorXTSAES128_4, 64);
|
|
perfSetTweak("Set Tweak", xtsspeck, &testVectorXTSAES128_4);
|
|
delete xtsspeck;
|
|
Serial.println();
|
|
|
|
printlnProgMem("XTS-SpeckSmall-256 Single Key:");
|
|
XTSSingleKey<SpeckSmall> *singlespeck = new XTSSingleKey<SpeckSmall>();
|
|
perfEncrypt("Encrypt", singlespeck, &testVectorXTSAES128_4, 32);
|
|
perfDecrypt("Decrypt", singlespeck, &testVectorXTSAES128_4, 32);
|
|
perfSetKey("Set Key", singlespeck, &testVectorXTSAES128_4, 32);
|
|
perfSetTweak("Set Tweak", singlespeck, &testVectorXTSAES128_4);
|
|
delete singlespeck;
|
|
Serial.println();
|
|
|
|
printlnProgMem("XTS-Speck-256:");
|
|
XTS<Speck> *xtsspeck2 = new XTS<Speck>();
|
|
perfEncrypt("Encrypt", xtsspeck2, &testVectorXTSAES128_4, 64);
|
|
perfDecrypt("Decrypt", xtsspeck2, &testVectorXTSAES128_4, 64);
|
|
perfSetKey("Set Key", xtsspeck2, &testVectorXTSAES128_4, 64);
|
|
perfSetTweak("Set Tweak", xtsspeck2, &testVectorXTSAES128_4);
|
|
delete xtsspeck2;
|
|
Serial.println();
|
|
|
|
printlnProgMem("XTS-Speck-256 Single Key:");
|
|
XTSSingleKey<Speck> *singlespeck2 = new XTSSingleKey<Speck>();
|
|
perfEncrypt("Encrypt", singlespeck2, &testVectorXTSAES128_4, 32);
|
|
perfDecrypt("Decrypt", singlespeck2, &testVectorXTSAES128_4, 32);
|
|
perfSetKey("Set Key", singlespeck2, &testVectorXTSAES128_4, 32);
|
|
perfSetTweak("Set Tweak", singlespeck2, &testVectorXTSAES128_4);
|
|
delete singlespeck2;
|
|
Serial.println();
|
|
}
|
|
|
|
void loop()
|
|
{
|
|
}
|