mirror of
https://github.com/taigrr/arduinolibs
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239 lines
7.5 KiB
C++
239 lines
7.5 KiB
C++
/*
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* Copyright (C) 2015 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 Poly1305 implementation to verify correct behaviour.
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*/
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#include <Crypto.h>
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#include <Poly1305.h>
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#include <string.h>
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// Test vectors from the Poly1305 specification.
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struct TestPoly1305Vector
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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 nonce[16];
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uint8_t data[64];
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size_t dataLen;
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uint8_t hash[16];
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};
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static TestPoly1305Vector const testVectorPoly1305_1 = {
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.name = "Poly1305 #1",
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.key = {0x85, 0x1f, 0xc4, 0x0c, 0x34, 0x67, 0xac, 0x0b,
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0xe0, 0x5c, 0xc2, 0x04, 0x04, 0xf3, 0xf7, 0x00},
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.nonce = {0x58, 0x0b, 0x3b, 0x0f, 0x94, 0x47, 0xbb, 0x1e,
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0x69, 0xd0, 0x95, 0xb5, 0x92, 0x8b, 0x6d, 0xbc},
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.data = {0xf3, 0xf6},
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.dataLen = 2,
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.hash = {0xf4, 0xc6, 0x33, 0xc3, 0x04, 0x4f, 0xc1, 0x45,
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0xf8, 0x4f, 0x33, 0x5c, 0xb8, 0x19, 0x53, 0xde}
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};
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static TestPoly1305Vector const testVectorPoly1305_2 = {
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.name = "Poly1305 #2",
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.key = {0xa0, 0xf3, 0x08, 0x00, 0x00, 0xf4, 0x64, 0x00,
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0xd0, 0xc7, 0xe9, 0x07, 0x6c, 0x83, 0x44, 0x03},
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.nonce = {0xdd, 0x3f, 0xab, 0x22, 0x51, 0xf1, 0x1a, 0xc7,
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0x59, 0xf0, 0x88, 0x71, 0x29, 0xcc, 0x2e, 0xe7},
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.data = {0},
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.dataLen = 0,
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.hash = {0xdd, 0x3f, 0xab, 0x22, 0x51, 0xf1, 0x1a, 0xc7,
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0x59, 0xf0, 0x88, 0x71, 0x29, 0xcc, 0x2e, 0xe7}
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};
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static TestPoly1305Vector const testVectorPoly1305_3 = {
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.name = "Poly1305 #3",
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.key = {0x48, 0x44, 0x3d, 0x0b, 0xb0, 0xd2, 0x11, 0x09,
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0xc8, 0x9a, 0x10, 0x0b, 0x5c, 0xe2, 0xc2, 0x08},
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.nonce = {0x83, 0x14, 0x9c, 0x69, 0xb5, 0x61, 0xdd, 0x88,
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0x29, 0x8a, 0x17, 0x98, 0xb1, 0x07, 0x16, 0xef},
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.data = {0x66, 0x3c, 0xea, 0x19, 0x0f, 0xfb, 0x83, 0xd8,
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0x95, 0x93, 0xf3, 0xf4, 0x76, 0xb6, 0xbc, 0x24,
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0xd7, 0xe6, 0x79, 0x10, 0x7e, 0xa2, 0x6a, 0xdb,
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0x8c, 0xaf, 0x66, 0x52, 0xd0, 0x65, 0x61, 0x36},
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.dataLen = 32,
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.hash = {0x0e, 0xe1, 0xc1, 0x6b, 0xb7, 0x3f, 0x0f, 0x4f,
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0xd1, 0x98, 0x81, 0x75, 0x3c, 0x01, 0xcd, 0xbe}
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};
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static TestPoly1305Vector const testVectorPoly1305_4 = {
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.name = "Poly1305 #4",
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.key = {0x12, 0x97, 0x6a, 0x08, 0xc4, 0x42, 0x6d, 0x0c,
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0xe8, 0xa8, 0x24, 0x07, 0xc4, 0xf4, 0x82, 0x07},
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.nonce = {0x80, 0xf8, 0xc2, 0x0a, 0xa7, 0x12, 0x02, 0xd1,
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0xe2, 0x91, 0x79, 0xcb, 0xcb, 0x55, 0x5a, 0x57},
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.data = {0xab, 0x08, 0x12, 0x72, 0x4a, 0x7f, 0x1e, 0x34,
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0x27, 0x42, 0xcb, 0xed, 0x37, 0x4d, 0x94, 0xd1,
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0x36, 0xc6, 0xb8, 0x79, 0x5d, 0x45, 0xb3, 0x81,
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0x98, 0x30, 0xf2, 0xc0, 0x44, 0x91, 0xfa, 0xf0,
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0x99, 0x0c, 0x62, 0xe4, 0x8b, 0x80, 0x18, 0xb2,
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0xc3, 0xe4, 0xa0, 0xfa, 0x31, 0x34, 0xcb, 0x67,
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0xfa, 0x83, 0xe1, 0x58, 0xc9, 0x94, 0xd9, 0x61,
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0xc4, 0xcb, 0x21, 0x09, 0x5c, 0x1b, 0xf9},
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.dataLen = 63,
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.hash = {0x51, 0x54, 0xad, 0x0d, 0x2c, 0xb2, 0x6e, 0x01,
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0x27, 0x4f, 0xc5, 0x11, 0x48, 0x49, 0x1f, 0x1b}
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};
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Poly1305 poly1305;
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byte buffer[128];
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bool testPoly1305_N(Poly1305 *hash, const struct TestPoly1305Vector *test, size_t inc)
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{
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size_t size = test->dataLen;
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size_t posn, len;
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hash->reset(test->key);
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for (posn = 0; posn < size; posn += inc) {
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len = size - posn;
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if (len > inc)
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len = inc;
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hash->update(test->data + posn, len);
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}
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hash->finalize(test->nonce, buffer, 16);
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return !memcmp(buffer, test->hash, 16);
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}
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void testPoly1305(Poly1305 *hash, const struct TestPoly1305Vector *test)
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{
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bool ok;
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Serial.print(test->name);
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Serial.print(" ... ");
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ok = testPoly1305_N(hash, test, test->dataLen);
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ok &= testPoly1305_N(hash, test, 1);
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ok &= testPoly1305_N(hash, test, 2);
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ok &= testPoly1305_N(hash, test, 5);
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ok &= testPoly1305_N(hash, test, 8);
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ok &= testPoly1305_N(hash, test, 13);
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ok &= testPoly1305_N(hash, test, 16);
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ok &= testPoly1305_N(hash, test, 24);
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ok &= testPoly1305_N(hash, test, 63);
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ok &= testPoly1305_N(hash, test, 64);
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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 perfPoly1305(Poly1305 *hash)
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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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Serial.print("Hashing ... ");
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for (size_t posn = 0; posn < sizeof(buffer); ++posn)
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buffer[posn] = (uint8_t)posn;
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hash->reset(testVectorPoly1305_1.key);
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start = micros();
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for (count = 0; count < 1000; ++count) {
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hash->update(buffer, sizeof(buffer));
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}
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elapsed = micros() - start;
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Serial.print(elapsed / (sizeof(buffer) * 1000.0));
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Serial.print("us per byte, ");
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Serial.print((sizeof(buffer) * 1000.0 * 1000000.0) / elapsed);
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Serial.println(" bytes per second");
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}
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void perfPoly1305SetKey(Poly1305 *hash)
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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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Serial.print("Set Key ... ");
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start = micros();
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for (count = 0; count < 1000; ++count) {
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hash->reset(testVectorPoly1305_1.key);
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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 op, ");
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Serial.print((1000.0 * 1000000.0) / elapsed);
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Serial.println(" ops per second");
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}
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void perfPoly1305Finalize(Poly1305 *hash)
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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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Serial.print("Finalize ... ");
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hash->reset(testVectorPoly1305_1.key);
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hash->update("abc", 3);
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start = micros();
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for (count = 0; count < 1000; ++count) {
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hash->finalize(testVectorPoly1305_1.nonce, 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 op, ");
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Serial.print((1000.0 * 1000000.0) / elapsed);
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Serial.println(" ops 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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Serial.print("State Size ...");
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Serial.println(sizeof(Poly1305));
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Serial.println();
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Serial.println("Test Vectors:");
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testPoly1305(&poly1305, &testVectorPoly1305_1);
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testPoly1305(&poly1305, &testVectorPoly1305_2);
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testPoly1305(&poly1305, &testVectorPoly1305_3);
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testPoly1305(&poly1305, &testVectorPoly1305_4);
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Serial.println();
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Serial.println("Performance Tests:");
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perfPoly1305(&poly1305);
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perfPoly1305SetKey(&poly1305);
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perfPoly1305Finalize(&poly1305);
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}
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void loop()
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{
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}
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