mirror of
https://github.com/taigrr/arduinolibs
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404 lines
12 KiB
C++
404 lines
12 KiB
C++
/*
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* Copyright (C) 2018 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 Ascon128 implementation to verify
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correct behaviour.
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*/
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#include <Crypto.h>
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#include <CryptoLW.h>
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#include <Ascon128.h>
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#include "utility/ProgMemUtil.h"
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#define MAX_PLAINTEXT_LEN 43
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#define MAX_AUTHDATA_LEN 17
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struct TestVector
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{
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const char *name;
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uint8_t key[16];
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uint8_t plaintext[MAX_PLAINTEXT_LEN];
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uint8_t ciphertext[MAX_PLAINTEXT_LEN];
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uint8_t authdata[MAX_AUTHDATA_LEN];
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uint8_t iv[16];
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uint8_t tag[16];
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size_t authsize;
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size_t datasize;
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};
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// Test vectors for Ascon128, generated with the reference Python version:
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// https://github.com/meichlseder/pyascon
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static TestVector const testVectorAscon128_1 PROGMEM = {
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.name = "Ascon128 #1",
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.key = {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 = {0x61, 0x73, 0x63, 0x6f, 0x6e},
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.ciphertext = {0x86, 0x88, 0x62, 0x14, 0x0e},
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.authdata = {0x41, 0x53, 0x43, 0x4f, 0x4e},
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.iv = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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.tag = {0xad, 0x65, 0xf5, 0x94, 0x22, 0x58, 0xda, 0xd5,
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0x3c, 0xaa, 0x7a, 0x56, 0xf3, 0xa2, 0x92, 0xd8},
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.authsize = 5,
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.datasize = 5
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};
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static TestVector const testVectorAscon128_2 PROGMEM = {
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.name = "Ascon128 #2",
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.key = {0x0d, 0x49, 0x29, 0x92, 0x65, 0x8b, 0xd8, 0xa3,
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0xe4, 0x7b, 0xf9, 0x10, 0xd4, 0xc5, 0x87, 0xad},
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.plaintext = {0x61},
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.ciphertext = {0xc5},
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.authdata = {0},
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.iv = {0x5a, 0xcb, 0x17, 0x2a, 0x1a, 0x93, 0x3d, 0xb1,
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0x8a, 0x6a, 0x40, 0xac, 0x6e, 0x4c, 0x68, 0xd0},
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.tag = {0x2e, 0x0b, 0xf2, 0xb1, 0xfc, 0xd8, 0x64, 0x69,
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0x01, 0x1c, 0x4f, 0x8b, 0x78, 0x4a, 0x65, 0x0d},
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.authsize = 0,
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.datasize = 1
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};
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static TestVector const testVectorAscon128_3 PROGMEM = {
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.name = "Ascon128 #3",
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.key = {0x91, 0xb3, 0x9d, 0x22, 0xf3, 0xb7, 0x7f, 0x51,
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0x33, 0x0a, 0xa3, 0xa4, 0xea, 0x38, 0xea, 0xa2},
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.plaintext = {0},
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.ciphertext = {0},
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.authdata = {0x64},
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.iv = {0x2e, 0xec, 0x64, 0x25, 0xb3, 0xec, 0xf0, 0x63,
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0xb4, 0x3e, 0x29, 0xc7, 0x68, 0x29, 0x3c, 0x49},
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.tag = {0xfd, 0x24, 0x0e, 0x3c, 0x3d, 0xc4, 0x11, 0x0d,
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0xe1, 0x54, 0x4c, 0xd5, 0x24, 0x18, 0xd9, 0x4c},
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.authsize = 1,
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.datasize = 0
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};
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static TestVector const testVectorAscon128_4 PROGMEM = {
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.name = "Ascon128 #4",
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.key = {0x72, 0xfd, 0x18, 0xde, 0xbd, 0xee, 0x86, 0x13,
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0x4f, 0x7c, 0x44, 0x29, 0x84, 0x37, 0x56, 0x06},
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.plaintext = {0x70, 0x6c, 0x61, 0x69, 0x6e, 0x74, 0x78, 0x74},
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.ciphertext = {0x91, 0xd0, 0xc3, 0x88, 0xea, 0xc0, 0xe6, 0xd9},
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.authdata = {0x61, 0x73, 0x73, 0x64, 0x61, 0x74, 0x31, 0x32},
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.iv = {0x91, 0x5f, 0xf8, 0xff, 0xca, 0xd8, 0xae, 0x1d,
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0xf4, 0x45, 0xeb, 0x03, 0xe2, 0x18, 0xfd, 0x25},
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.tag = {0x16, 0x69, 0x74, 0xbf, 0xbd, 0x43, 0xd7, 0xa8,
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0xfe, 0x43, 0xf0, 0xce, 0xe2, 0xdd, 0xb9, 0xf8},
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.authsize = 8,
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.datasize = 8
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};
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static TestVector const testVectorAscon128_5 PROGMEM = {
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.name = "Ascon128 #5",
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.key = {0x8a, 0xa5, 0xed, 0xc5, 0x88, 0x49, 0x75, 0xc8,
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0xd1, 0xa1, 0xb8, 0x44, 0xd0, 0x15, 0x50, 0x5a},
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.plaintext = {0x54, 0x68, 0x65, 0x20, 0x72, 0x61, 0x69, 0x6e,
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0x20, 0x69, 0x6e, 0x20, 0x73, 0x70, 0x61, 0x69,
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0x6e, 0x20, 0x66, 0x61, 0x6c, 0x6c, 0x73, 0x20,
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0x6d, 0x61, 0x69, 0x6e, 0x6c, 0x79, 0x20, 0x6f,
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0x6e, 0x20, 0x74, 0x68, 0x65, 0x20, 0x70, 0x6c,
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0x61, 0x69, 0x6e},
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.ciphertext = {0x4a, 0xb4, 0xe2, 0x87, 0x90, 0x07, 0x4b, 0x78,
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0x88, 0x70, 0x71, 0xc0, 0x62, 0xd6, 0xab, 0x6b,
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0x32, 0xd4, 0xb1, 0xec, 0xc7, 0xd8, 0x44, 0x93,
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0x36, 0x9a, 0x38, 0x81, 0xd6, 0x65, 0x2f, 0x85,
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0xaa, 0xf9, 0x70, 0x90, 0x61, 0x97, 0x3e, 0x1f,
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0x60, 0x12, 0x66},
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.authdata = {0x48, 0x6f, 0x77, 0x20, 0x6e, 0x6f, 0x77, 0x20,
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0x62, 0x72, 0x6f, 0x77, 0x6e, 0x20, 0x63, 0x6f,
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0x77},
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.iv = {0xbc, 0x52, 0x27, 0xa5, 0x72, 0x58, 0xfe, 0x00,
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0xcb, 0x7b, 0x0f, 0x31, 0xa4, 0xb6, 0xff, 0xda},
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.tag = {0x92, 0xfe, 0x72, 0xf8, 0x69, 0xc9, 0x95, 0x41,
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0x1f, 0xc4, 0x57, 0xde, 0xa6, 0xf2, 0xf9, 0x2d},
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.authsize = 17,
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.datasize = 43
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};
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TestVector testVector;
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Ascon128 acorn;
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byte buffer[128];
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bool testCipher_N(Ascon128 *cipher, const struct TestVector *test, size_t inc)
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{
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size_t posn, len;
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uint8_t tag[16];
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if (!inc)
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inc = 1;
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cipher->clear();
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if (!cipher->setKey(test->key, 16)) {
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Serial.print("setKey ");
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return false;
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}
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if (!cipher->setIV(test->iv, 16)) {
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Serial.print("setIV ");
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return false;
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}
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memset(buffer, 0xBA, sizeof(buffer));
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for (posn = 0; posn < test->authsize; posn += inc) {
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len = test->authsize - posn;
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if (len > inc)
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len = inc;
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cipher->addAuthData(test->authdata + posn, len);
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}
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for (posn = 0; posn < test->datasize; posn += inc) {
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len = test->datasize - posn;
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if (len > inc)
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len = inc;
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cipher->encrypt(buffer + posn, test->plaintext + posn, len);
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}
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if (memcmp(buffer, test->ciphertext, test->datasize) != 0) {
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Serial.print(buffer[0], HEX);
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Serial.print("->");
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Serial.print(test->ciphertext[0], HEX);
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return false;
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}
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cipher->computeTag(tag, sizeof(tag));
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if (memcmp(tag, test->tag, sizeof(tag)) != 0) {
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Serial.print("computed wrong tag ... ");
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return false;
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}
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cipher->setKey(test->key, 16);
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cipher->setIV(test->iv, 16);
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for (posn = 0; posn < test->authsize; posn += inc) {
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len = test->authsize - posn;
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if (len > inc)
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len = inc;
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cipher->addAuthData(test->authdata + posn, len);
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}
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for (posn = 0; posn < test->datasize; posn += inc) {
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len = test->datasize - posn;
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if (len > inc)
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len = inc;
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cipher->decrypt(buffer + posn, test->ciphertext + posn, len);
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}
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if (memcmp(buffer, test->plaintext, test->datasize) != 0)
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return false;
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if (!cipher->checkTag(tag, sizeof(tag))) {
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Serial.print("tag did not check ... ");
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return false;
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}
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return true;
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}
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void testCipher(Ascon128 *cipher, const struct TestVector *test)
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{
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bool ok;
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memcpy_P(&testVector, test, sizeof(TestVector));
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test = &testVector;
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Serial.print(test->name);
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Serial.print(" ... ");
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ok = testCipher_N(cipher, test, test->datasize);
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ok &= testCipher_N(cipher, test, 1);
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ok &= testCipher_N(cipher, test, 2);
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ok &= testCipher_N(cipher, test, 5);
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ok &= testCipher_N(cipher, test, 8);
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ok &= testCipher_N(cipher, test, 13);
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ok &= testCipher_N(cipher, test, 16);
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if (ok)
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Serial.println("Passed");
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else
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Serial.println("Failed");
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}
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void perfCipherSetKey(Ascon128 *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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test = &testVector;
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Serial.print(test->name);
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Serial.print(" SetKey ... ");
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start = micros();
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for (count = 0; count < 1000; ++count) {
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cipher->setKey(test->key, 16);
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cipher->setIV(test->iv, 16);
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}
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elapsed = micros() - start;
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Serial.print(elapsed / 1000.0);
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Serial.print("us per operation, ");
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Serial.print((1000.0 * 1000000.0) / elapsed);
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Serial.println(" per second");
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}
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void perfCipherEncrypt(Ascon128 *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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test = &testVector;
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Serial.print(test->name);
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Serial.print(" Encrypt ... ");
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cipher->setKey(test->key, 16);
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cipher->setIV(test->iv, 16);
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start = micros();
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for (count = 0; count < 500; ++count) {
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cipher->encrypt(buffer, buffer, 128);
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}
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elapsed = micros() - start;
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Serial.print(elapsed / (128.0 * 500.0));
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Serial.print("us per byte, ");
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Serial.print((128.0 * 500.0 * 1000000.0) / elapsed);
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Serial.println(" bytes per second");
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}
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void perfCipherDecrypt(Ascon128 *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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test = &testVector;
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Serial.print(test->name);
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Serial.print(" Decrypt ... ");
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cipher->setKey(test->key, 16);
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cipher->setIV(test->iv, 16);
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start = micros();
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for (count = 0; count < 500; ++count) {
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cipher->decrypt(buffer, buffer, 128);
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}
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elapsed = micros() - start;
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Serial.print(elapsed / (128.0 * 500.0));
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Serial.print("us per byte, ");
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Serial.print((128.0 * 500.0 * 1000000.0) / elapsed);
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Serial.println(" bytes per second");
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}
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void perfCipherAddAuthData(Ascon128 *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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test = &testVector;
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Serial.print(test->name);
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Serial.print(" AddAuthData ... ");
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cipher->setKey(test->key, 16);
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cipher->setIV(test->iv, 16);
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start = micros();
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memset(buffer, 0xBA, 128);
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for (count = 0; count < 500; ++count) {
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cipher->addAuthData(buffer, 128);
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}
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elapsed = micros() - start;
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Serial.print(elapsed / (128.0 * 500.0));
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Serial.print("us per byte, ");
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Serial.print((128.0 * 500.0 * 1000000.0) / elapsed);
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Serial.println(" bytes per second");
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}
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void perfCipherComputeTag(Ascon128 *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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test = &testVector;
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Serial.print(test->name);
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Serial.print(" ComputeTag ... ");
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cipher->setKey(test->key, 16);
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cipher->setIV(test->iv, 16);
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start = micros();
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for (count = 0; count < 1000; ++count) {
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cipher->computeTag(buffer, 16);
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}
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elapsed = micros() - start;
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Serial.print(elapsed / 1000.0);
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Serial.print("us per operation, ");
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Serial.print((1000.0 * 1000000.0) / elapsed);
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Serial.println(" per second");
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}
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void perfCipher(Ascon128 *cipher, const struct TestVector *test)
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{
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perfCipherSetKey(cipher, test);
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perfCipherEncrypt(cipher, test);
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perfCipherDecrypt(cipher, test);
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perfCipherAddAuthData(cipher, test);
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perfCipherComputeTag(cipher, test);
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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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Serial.print("State Size ... ");
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Serial.println(sizeof(Ascon128));
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Serial.println();
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Serial.println("Test Vectors:");
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testCipher(&acorn, &testVectorAscon128_1);
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testCipher(&acorn, &testVectorAscon128_2);
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testCipher(&acorn, &testVectorAscon128_3);
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testCipher(&acorn, &testVectorAscon128_4);
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testCipher(&acorn, &testVectorAscon128_5);
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Serial.println();
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Serial.println("Performance Tests:");
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perfCipher(&acorn, &testVectorAscon128_4);
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}
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void loop()
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{
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}
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