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arduinolibs/libraries/Crypto/examples/TestEAX/TestEAX.ino
Rhys Weatherley a03d95e7b4 Move Speck from Crypto to CryptoLW
2018-04-26 07:10:07 +10:00

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/*
* Copyright (C) 2015 Southern Storm Software, Pty Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
/*
This example runs tests on the EAX implementation to verify correct behaviour.
*/
#include <Crypto.h>
#include <CryptoLW.h>
#include <EAX.h>
#include <AES.h>
#include <Speck.h>
#include <SpeckTiny.h>
#include <string.h>
#if defined(ESP8266) || defined(ESP32)
#include <pgmspace.h>
#else
#include <avr/pgmspace.h>
#endif
#define MAX_PLAINTEXT_LEN 64
struct TestVector
{
const char *name;
uint8_t key[16];
uint8_t plaintext[MAX_PLAINTEXT_LEN];
uint8_t ciphertext[MAX_PLAINTEXT_LEN];
uint8_t authdata[20];
uint8_t iv[16];
uint8_t tag[16];
size_t authsize;
size_t datasize;
size_t tagsize;
size_t ivsize;
};
// Test vectors for AES in EAX mode from Appendix G of:
// http://www.cs.ucdavis.edu/~rogaway/papers/eax.pdf
static TestVector const testVectorEAX1 PROGMEM = {
.name = "EAX #1",
.key = {0x23, 0x39, 0x52, 0xDE, 0xE4, 0xD5, 0xED, 0x5F,
0x9B, 0x9C, 0x6D, 0x6F, 0xF8, 0x0F, 0xF4, 0x78},
.plaintext = {0x00},
.ciphertext = {0x00},
.authdata = {0x6B, 0xFB, 0x91, 0x4F, 0xD0, 0x7E, 0xAE, 0x6B},
.iv = {0x62, 0xEC, 0x67, 0xF9, 0xC3, 0xA4, 0xA4, 0x07,
0xFC, 0xB2, 0xA8, 0xC4, 0x90, 0x31, 0xA8, 0xB3},
.tag = {0xE0, 0x37, 0x83, 0x0E, 0x83, 0x89, 0xF2, 0x7B,
0x02, 0x5A, 0x2D, 0x65, 0x27, 0xE7, 0x9D, 0x01},
.authsize = 8,
.datasize = 0,
.tagsize = 16,
.ivsize = 16
};
static TestVector const testVectorEAX2 PROGMEM = {
.name = "EAX #2",
.key = {0x91, 0x94, 0x5D, 0x3F, 0x4D, 0xCB, 0xEE, 0x0B,
0xF4, 0x5E, 0xF5, 0x22, 0x55, 0xF0, 0x95, 0xA4},
.plaintext = {0xF7, 0xFB},
.ciphertext = {0x19, 0xDD},
.authdata = {0xFA, 0x3B, 0xFD, 0x48, 0x06, 0xEB, 0x53, 0xFA},
.iv = {0xBE, 0xCA, 0xF0, 0x43, 0xB0, 0xA2, 0x3D, 0x84,
0x31, 0x94, 0xBA, 0x97, 0x2C, 0x66, 0xDE, 0xBD},
.tag = {0x5C, 0x4C, 0x93, 0x31, 0x04, 0x9D, 0x0B, 0xDA,
0xB0, 0x27, 0x74, 0x08, 0xF6, 0x79, 0x67, 0xE5},
.authsize = 8,
.datasize = 2,
.tagsize = 16,
.ivsize = 16
};
static TestVector const testVectorEAX3 PROGMEM = {
.name = "EAX #3",
.key = {0x01, 0xF7, 0x4A, 0xD6, 0x40, 0x77, 0xF2, 0xE7,
0x04, 0xC0, 0xF6, 0x0A, 0xDA, 0x3D, 0xD5, 0x23},
.plaintext = {0x1A, 0x47, 0xCB, 0x49, 0x33},
.ciphertext = {0xD8, 0x51, 0xD5, 0xBA, 0xE0},
.authdata = {0x23, 0x4A, 0x34, 0x63, 0xC1, 0x26, 0x4A, 0xC6},
.iv = {0x70, 0xC3, 0xDB, 0x4F, 0x0D, 0x26, 0x36, 0x84,
0x00, 0xA1, 0x0E, 0xD0, 0x5D, 0x2B, 0xFF, 0x5E},
.tag = {0x3A, 0x59, 0xF2, 0x38, 0xA2, 0x3E, 0x39, 0x19,
0x9D, 0xC9, 0x26, 0x66, 0x26, 0xC4, 0x0F, 0x80},
.authsize = 8,
.datasize = 5,
.tagsize = 16,
.ivsize = 16
};
static TestVector const testVectorEAX4 PROGMEM = {
.name = "EAX #4",
.key = {0xD0, 0x7C, 0xF6, 0xCB, 0xB7, 0xF3, 0x13, 0xBD,
0xDE, 0x66, 0xB7, 0x27, 0xAF, 0xD3, 0xC5, 0xE8},
.plaintext = {0x48, 0x1C, 0x9E, 0x39, 0xB1},
.ciphertext = {0x63, 0x2A, 0x9D, 0x13, 0x1A},
.authdata = {0x33, 0xCC, 0xE2, 0xEA, 0xBF, 0xF5, 0xA7, 0x9D},
.iv = {0x84, 0x08, 0xDF, 0xFF, 0x3C, 0x1A, 0x2B, 0x12,
0x92, 0xDC, 0x19, 0x9E, 0x46, 0xB7, 0xD6, 0x17},
.tag = {0xD4, 0xC1, 0x68, 0xA4, 0x22, 0x5D, 0x8E, 0x1F,
0xF7, 0x55, 0x93, 0x99, 0x74, 0xA7, 0xBE, 0xDE},
.authsize = 8,
.datasize = 5,
.tagsize = 16,
.ivsize = 16
};
static TestVector const testVectorEAX5 PROGMEM = {
.name = "EAX #5",
.key = {0x35, 0xB6, 0xD0, 0x58, 0x00, 0x05, 0xBB, 0xC1,
0x2B, 0x05, 0x87, 0x12, 0x45, 0x57, 0xD2, 0xC2},
.plaintext = {0x40, 0xD0, 0xC0, 0x7D, 0xA5, 0xE4},
.ciphertext = {0x07, 0x1D, 0xFE, 0x16, 0xC6, 0x75},
.authdata = {0xAE, 0xB9, 0x6E, 0xAE, 0xBE, 0x29, 0x70, 0xE9},
.iv = {0xFD, 0xB6, 0xB0, 0x66, 0x76, 0xEE, 0xDC, 0x5C,
0x61, 0xD7, 0x42, 0x76, 0xE1, 0xF8, 0xE8, 0x16},
.tag = {0xCB, 0x06, 0x77, 0xE5, 0x36, 0xF7, 0x3A, 0xFE,
0x6A, 0x14, 0xB7, 0x4E, 0xE4, 0x98, 0x44, 0xDD},
.authsize = 8,
.datasize = 6,
.tagsize = 16,
.ivsize = 16
};
static TestVector const testVectorEAX6 PROGMEM = {
.name = "EAX #6",
.key = {0xBD, 0x8E, 0x6E, 0x11, 0x47, 0x5E, 0x60, 0xB2,
0x68, 0x78, 0x4C, 0x38, 0xC6, 0x2F, 0xEB, 0x22},
.plaintext = {0x4D, 0xE3, 0xB3, 0x5C, 0x3F, 0xC0, 0x39, 0x24,
0x5B, 0xD1, 0xFB, 0x7D},
.ciphertext = {0x83, 0x5B, 0xB4, 0xF1, 0x5D, 0x74, 0x3E, 0x35,
0x0E, 0x72, 0x84, 0x14},
.authdata = {0xD4, 0x48, 0x2D, 0x1C, 0xA7, 0x8D, 0xCE, 0x0F},
.iv = {0x6E, 0xAC, 0x5C, 0x93, 0x07, 0x2D, 0x8E, 0x85,
0x13, 0xF7, 0x50, 0x93, 0x5E, 0x46, 0xDA, 0x1B},
.tag = {0xAB, 0xB8, 0x64, 0x4F, 0xD6, 0xCC, 0xB8, 0x69,
0x47, 0xC5, 0xE1, 0x05, 0x90, 0x21, 0x0A, 0x4F},
.authsize = 8,
.datasize = 12,
.tagsize = 16,
.ivsize = 16
};
static TestVector const testVectorEAX7 PROGMEM = {
.name = "EAX #7",
.key = {0x7C, 0x77, 0xD6, 0xE8, 0x13, 0xBE, 0xD5, 0xAC,
0x98, 0xBA, 0xA4, 0x17, 0x47, 0x7A, 0x2E, 0x7D},
.plaintext = {0x8B, 0x0A, 0x79, 0x30, 0x6C, 0x9C, 0xE7, 0xED,
0x99, 0xDA, 0xE4, 0xF8, 0x7F, 0x8D, 0xD6, 0x16,
0x36},
.ciphertext = {0x02, 0x08, 0x3E, 0x39, 0x79, 0xDA, 0x01, 0x48,
0x12, 0xF5, 0x9F, 0x11, 0xD5, 0x26, 0x30, 0xDA,
0x30},
.authdata = {0x65, 0xD2, 0x01, 0x79, 0x90, 0xD6, 0x25, 0x28},
.iv = {0x1A, 0x8C, 0x98, 0xDC, 0xD7, 0x3D, 0x38, 0x39,
0x3B, 0x2B, 0xF1, 0x56, 0x9D, 0xEE, 0xFC, 0x19},
.tag = {0x13, 0x73, 0x27, 0xD1, 0x06, 0x49, 0xB0, 0xAA,
0x6E, 0x1C, 0x18, 0x1D, 0xB6, 0x17, 0xD7, 0xF2},
.authsize = 8,
.datasize = 17,
.tagsize = 16,
.ivsize = 16
};
static TestVector const testVectorEAX8 PROGMEM = {
.name = "EAX #8",
.key = {0x5F, 0xFF, 0x20, 0xCA, 0xFA, 0xB1, 0x19, 0xCA,
0x2F, 0xC7, 0x35, 0x49, 0xE2, 0x0F, 0x5B, 0x0D},
.plaintext = {0x1B, 0xDA, 0x12, 0x2B, 0xCE, 0x8A, 0x8D, 0xBA,
0xF1, 0x87, 0x7D, 0x96, 0x2B, 0x85, 0x92, 0xDD,
0x2D, 0x56},
.ciphertext = {0x2E, 0xC4, 0x7B, 0x2C, 0x49, 0x54, 0xA4, 0x89,
0xAF, 0xC7, 0xBA, 0x48, 0x97, 0xED, 0xCD, 0xAE,
0x8C, 0xC3},
.authdata = {0x54, 0xB9, 0xF0, 0x4E, 0x6A, 0x09, 0x18, 0x9A},
.iv = {0xDD, 0xE5, 0x9B, 0x97, 0xD7, 0x22, 0x15, 0x6D,
0x4D, 0x9A, 0xFF, 0x2B, 0xC7, 0x55, 0x98, 0x26},
.tag = {0x3B, 0x60, 0x45, 0x05, 0x99, 0xBD, 0x02, 0xC9,
0x63, 0x82, 0x90, 0x2A, 0xEF, 0x7F, 0x83, 0x2A},
.authsize = 8,
.datasize = 18,
.tagsize = 16,
.ivsize = 16
};
static TestVector const testVectorEAX9 PROGMEM = {
.name = "EAX #9",
.key = {0xA4, 0xA4, 0x78, 0x2B, 0xCF, 0xFD, 0x3E, 0xC5,
0xE7, 0xEF, 0x6D, 0x8C, 0x34, 0xA5, 0x61, 0x23},
.plaintext = {0x6C, 0xF3, 0x67, 0x20, 0x87, 0x2B, 0x85, 0x13,
0xF6, 0xEA, 0xB1, 0xA8, 0xA4, 0x44, 0x38, 0xD5,
0xEF, 0x11},
.ciphertext = {0x0D, 0xE1, 0x8F, 0xD0, 0xFD, 0xD9, 0x1E, 0x7A,
0xF1, 0x9F, 0x1D, 0x8E, 0xE8, 0x73, 0x39, 0x38,
0xB1, 0xE8},
.authdata = {0x89, 0x9A, 0x17, 0x58, 0x97, 0x56, 0x1D, 0x7E},
.iv = {0xB7, 0x81, 0xFC, 0xF2, 0xF7, 0x5F, 0xA5, 0xA8,
0xDE, 0x97, 0xA9, 0xCA, 0x48, 0xE5, 0x22, 0xEC},
.tag = {0xE7, 0xF6, 0xD2, 0x23, 0x16, 0x18, 0x10, 0x2F,
0xDB, 0x7F, 0xE5, 0x5F, 0xF1, 0x99, 0x17, 0x00},
.authsize = 8,
.datasize = 18,
.tagsize = 16,
.ivsize = 16
};
static TestVector const testVectorEAX10 PROGMEM = {
.name = "EAX #10",
.key = {0x83, 0x95, 0xFC, 0xF1, 0xE9, 0x5B, 0xEB, 0xD6,
0x97, 0xBD, 0x01, 0x0B, 0xC7, 0x66, 0xAA, 0xC3},
.plaintext = {0xCA, 0x40, 0xD7, 0x44, 0x6E, 0x54, 0x5F, 0xFA,
0xED, 0x3B, 0xD1, 0x2A, 0x74, 0x0A, 0x65, 0x9F,
0xFB, 0xBB, 0x3C, 0xEA, 0xB7},
.ciphertext = {0xCB, 0x89, 0x20, 0xF8, 0x7A, 0x6C, 0x75, 0xCF,
0xF3, 0x96, 0x27, 0xB5, 0x6E, 0x3E, 0xD1, 0x97,
0xC5, 0x52, 0xD2, 0x95, 0xA7},
.authdata = {0x12, 0x67, 0x35, 0xFC, 0xC3, 0x20, 0xD2, 0x5A},
.iv = {0x22, 0xE7, 0xAD, 0xD9, 0x3C, 0xFC, 0x63, 0x93,
0xC5, 0x7E, 0xC0, 0xB3, 0xC1, 0x7D, 0x6B, 0x44},
.tag = {0xCF, 0xC4, 0x6A, 0xFC, 0x25, 0x3B, 0x46, 0x52,
0xB1, 0xAF, 0x37, 0x95, 0xB1, 0x24, 0xAB, 0x6E},
.authsize = 8,
.datasize = 21,
.tagsize = 16,
.ivsize = 16
};
TestVector testVector;
EAX<AES128> *eax;
EAX<AES256> *eax256;
EAX<Speck> *eaxSpeck;
EAX<SpeckTiny> *eaxSpeckTiny;
byte buffer[128];
bool testCipher_N(AuthenticatedCipher *cipher, const struct TestVector *test, size_t inc)
{
size_t posn, len;
uint8_t tag[16];
crypto_feed_watchdog();
cipher->clear();
if (!cipher->setKey(test->key, 16)) {
Serial.print("setKey ");
return false;
}
if (!cipher->setIV(test->iv, test->ivsize)) {
Serial.print("setIV ");
return false;
}
memset(buffer, 0xBA, sizeof(buffer));
if (!inc)
inc = 1;
for (posn = 0; posn < test->authsize; posn += inc) {
len = test->authsize - posn;
if (len > inc)
len = inc;
cipher->addAuthData(test->authdata + posn, len);
}
for (posn = 0; posn < test->datasize; posn += inc) {
len = test->datasize - posn;
if (len > inc)
len = inc;
cipher->encrypt(buffer + posn, test->plaintext + posn, len);
}
if (memcmp(buffer, test->ciphertext, test->datasize) != 0) {
Serial.print(buffer[0], HEX);
Serial.print("->");
Serial.print(test->ciphertext[0], HEX);
return false;
}
cipher->computeTag(tag, sizeof(tag));
if (memcmp(tag, test->tag, sizeof(tag)) != 0) {
Serial.print("computed wrong tag ... ");
return false;
}
cipher->setKey(test->key, 16);
cipher->setIV(test->iv, test->ivsize);
for (posn = 0; posn < test->authsize; posn += inc) {
len = test->authsize - posn;
if (len > inc)
len = inc;
cipher->addAuthData(test->authdata + posn, len);
}
for (posn = 0; posn < test->datasize; posn += inc) {
len = test->datasize - posn;
if (len > inc)
len = inc;
cipher->decrypt(buffer + posn, test->ciphertext + posn, len);
}
if (memcmp(buffer, test->plaintext, test->datasize) != 0)
return false;
if (!cipher->checkTag(tag, sizeof(tag))) {
Serial.print("tag did not check ... ");
return false;
}
return true;
}
void testCipher(AuthenticatedCipher *cipher, const struct TestVector *test)
{
bool ok;
memcpy_P(&testVector, test, sizeof(TestVector));
test = &testVector;
Serial.print(test->name);
Serial.print(" ... ");
ok = testCipher_N(cipher, test, test->datasize);
ok &= testCipher_N(cipher, test, 1);
ok &= testCipher_N(cipher, test, 2);
ok &= testCipher_N(cipher, test, 5);
ok &= testCipher_N(cipher, test, 8);
ok &= testCipher_N(cipher, test, 13);
ok &= testCipher_N(cipher, test, 16);
if (ok)
Serial.println("Passed");
else
Serial.println("Failed");
}
void perfCipherSetKey(AuthenticatedCipher *cipher, const struct TestVector *test, const char *cipherName)
{
unsigned long start;
unsigned long elapsed;
int count;
crypto_feed_watchdog();
memcpy_P(&testVector, test, sizeof(TestVector));
test = &testVector;
Serial.print(cipherName);
Serial.print(' ');
Serial.print(test->name);
Serial.print(" SetKey ... ");
start = micros();
for (count = 0; count < 1000; ++count) {
cipher->setKey(test->key, cipher->keySize());
cipher->setIV(test->iv, test->ivsize);
}
elapsed = micros() - start;
Serial.print(elapsed / 1000.0);
Serial.print("us per operation, ");
Serial.print((1000.0 * 1000000.0) / elapsed);
Serial.println(" per second");
}
void perfCipherEncrypt(AuthenticatedCipher *cipher, const struct TestVector *test, const char *cipherName)
{
unsigned long start;
unsigned long elapsed;
int count;
crypto_feed_watchdog();
memcpy_P(&testVector, test, sizeof(TestVector));
test = &testVector;
Serial.print(cipherName);
Serial.print(' ');
Serial.print(test->name);
Serial.print(" Encrypt ... ");
cipher->setKey(test->key, cipher->keySize());
cipher->setIV(test->iv, test->ivsize);
start = micros();
for (count = 0; count < 500; ++count) {
cipher->encrypt(buffer, buffer, 128);
}
elapsed = micros() - start;
Serial.print(elapsed / (128.0 * 500.0));
Serial.print("us per byte, ");
Serial.print((128.0 * 500.0 * 1000000.0) / elapsed);
Serial.println(" bytes per second");
}
void perfCipherDecrypt(AuthenticatedCipher *cipher, const struct TestVector *test, const char *cipherName)
{
unsigned long start;
unsigned long elapsed;
int count;
crypto_feed_watchdog();
memcpy_P(&testVector, test, sizeof(TestVector));
test = &testVector;
Serial.print(cipherName);
Serial.print(' ');
Serial.print(test->name);
Serial.print(" Decrypt ... ");
cipher->setKey(test->key, cipher->keySize());
cipher->setIV(test->iv, test->ivsize);
start = micros();
for (count = 0; count < 500; ++count) {
cipher->decrypt(buffer, buffer, 128);
}
elapsed = micros() - start;
Serial.print(elapsed / (128.0 * 500.0));
Serial.print("us per byte, ");
Serial.print((128.0 * 500.0 * 1000000.0) / elapsed);
Serial.println(" bytes per second");
}
void perfCipherAddAuthData(AuthenticatedCipher *cipher, const struct TestVector *test, const char *cipherName)
{
unsigned long start;
unsigned long elapsed;
int count;
crypto_feed_watchdog();
memcpy_P(&testVector, test, sizeof(TestVector));
test = &testVector;
Serial.print(cipherName);
Serial.print(' ');
Serial.print(test->name);
Serial.print(" AddAuthData ... ");
cipher->setKey(test->key, cipher->keySize());
cipher->setIV(test->iv, test->ivsize);
start = micros();
memset(buffer, 0xBA, 128);
for (count = 0; count < 500; ++count) {
cipher->addAuthData(buffer, 128);
}
elapsed = micros() - start;
Serial.print(elapsed / (128.0 * 500.0));
Serial.print("us per byte, ");
Serial.print((128.0 * 500.0 * 1000000.0) / elapsed);
Serial.println(" bytes per second");
}
void perfCipherComputeTag(AuthenticatedCipher *cipher, const struct TestVector *test, const char *cipherName)
{
unsigned long start;
unsigned long elapsed;
int count;
crypto_feed_watchdog();
memcpy_P(&testVector, test, sizeof(TestVector));
test = &testVector;
Serial.print(cipherName);
Serial.print(' ');
Serial.print(test->name);
Serial.print(" ComputeTag ... ");
cipher->setKey(test->key, cipher->keySize());
cipher->setIV(test->iv, test->ivsize);
start = micros();
for (count = 0; count < 1000; ++count) {
cipher->computeTag(buffer, 16);
}
elapsed = micros() - start;
Serial.print(elapsed / 1000.0);
Serial.print("us per operation, ");
Serial.print((1000.0 * 1000000.0) / elapsed);
Serial.println(" per second");
}
void perfCipher(AuthenticatedCipher *cipher, const struct TestVector *test, const char *cipherName)
{
perfCipherSetKey(cipher, test, cipherName);
perfCipherEncrypt(cipher, test, cipherName);
perfCipherDecrypt(cipher, test, cipherName);
perfCipherAddAuthData(cipher, test, cipherName);
perfCipherComputeTag(cipher, test, cipherName);
}
void setup()
{
Serial.begin(9600);
Serial.println();
Serial.println("State Sizes:");
Serial.print("EAX<AES128> ... ");
Serial.println(sizeof(*eax));
Serial.print("EAX<AES256> ... ");
Serial.println(sizeof(*eax256));
Serial.print("EAX<Speck> ... ");
Serial.println(sizeof(*eaxSpeck));
Serial.print("EAX<SpeckTiny> ... ");
Serial.println(sizeof(*eaxSpeckTiny));
Serial.println();
Serial.println("Test Vectors:");
eax = new EAX<AES128>();
testCipher(eax, &testVectorEAX1);
testCipher(eax, &testVectorEAX2);
testCipher(eax, &testVectorEAX3);
testCipher(eax, &testVectorEAX4);
testCipher(eax, &testVectorEAX5);
testCipher(eax, &testVectorEAX6);
testCipher(eax, &testVectorEAX7);
testCipher(eax, &testVectorEAX8);
testCipher(eax, &testVectorEAX9);
testCipher(eax, &testVectorEAX10);
Serial.println();
Serial.println("Performance Tests:");
perfCipher(eax, &testVectorEAX1, "AES-128");
Serial.println();
delete eax;
eax256 = new EAX<AES256>();
perfCipher(eax256, &testVectorEAX1, "AES-256");
Serial.println();
delete eax256;
eaxSpeck = new EAX<Speck>();
perfCipher(eaxSpeck, &testVectorEAX1, "Speck");
Serial.println();
delete eaxSpeck;
eaxSpeckTiny = new EAX<SpeckTiny>();
perfCipher(eaxSpeckTiny, &testVectorEAX1, "SpeckTiny");
delete eaxSpeckTiny;
}
void loop()
{
}
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