mirror of
https://github.com/taigrr/arduinolibs
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453 lines
16 KiB
C++
453 lines
16 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 ChaChaPoly 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 <ChaChaPoly.h>
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#include <string.h>
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#if defined(ESP8266)
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#include <pgmspace.h>
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#else
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#include <avr/pgmspace.h>
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#endif
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#define MAX_PLAINTEXT_LEN 265
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struct TestVector
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{
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const char *name;
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uint8_t key[32];
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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[16];
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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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size_t tagsize;
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size_t ivsize;
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};
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// Test vectors for ChaChaPoly from draft-nir-cfrg-chacha20-poly1305-04.txt
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static TestVector const testVectorChaChaPoly_1 PROGMEM = {
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.name = "ChaChaPoly #1",
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.key = {0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
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0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
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0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
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0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f},
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.plaintext = {0x4c, 0x61, 0x64, 0x69, 0x65, 0x73, 0x20, 0x61,
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0x6e, 0x64, 0x20, 0x47, 0x65, 0x6e, 0x74, 0x6c,
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0x65, 0x6d, 0x65, 0x6e, 0x20, 0x6f, 0x66, 0x20,
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0x74, 0x68, 0x65, 0x20, 0x63, 0x6c, 0x61, 0x73,
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0x73, 0x20, 0x6f, 0x66, 0x20, 0x27, 0x39, 0x39,
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0x3a, 0x20, 0x49, 0x66, 0x20, 0x49, 0x20, 0x63,
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0x6f, 0x75, 0x6c, 0x64, 0x20, 0x6f, 0x66, 0x66,
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0x65, 0x72, 0x20, 0x79, 0x6f, 0x75, 0x20, 0x6f,
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0x6e, 0x6c, 0x79, 0x20, 0x6f, 0x6e, 0x65, 0x20,
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0x74, 0x69, 0x70, 0x20, 0x66, 0x6f, 0x72, 0x20,
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0x74, 0x68, 0x65, 0x20, 0x66, 0x75, 0x74, 0x75,
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0x72, 0x65, 0x2c, 0x20, 0x73, 0x75, 0x6e, 0x73,
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0x63, 0x72, 0x65, 0x65, 0x6e, 0x20, 0x77, 0x6f,
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0x75, 0x6c, 0x64, 0x20, 0x62, 0x65, 0x20, 0x69,
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0x74, 0x2e},
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.ciphertext = {0xd3, 0x1a, 0x8d, 0x34, 0x64, 0x8e, 0x60, 0xdb,
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0x7b, 0x86, 0xaf, 0xbc, 0x53, 0xef, 0x7e, 0xc2,
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0xa4, 0xad, 0xed, 0x51, 0x29, 0x6e, 0x08, 0xfe,
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0xa9, 0xe2, 0xb5, 0xa7, 0x36, 0xee, 0x62, 0xd6,
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0x3d, 0xbe, 0xa4, 0x5e, 0x8c, 0xa9, 0x67, 0x12,
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0x82, 0xfa, 0xfb, 0x69, 0xda, 0x92, 0x72, 0x8b,
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0x1a, 0x71, 0xde, 0x0a, 0x9e, 0x06, 0x0b, 0x29,
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0x05, 0xd6, 0xa5, 0xb6, 0x7e, 0xcd, 0x3b, 0x36,
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0x92, 0xdd, 0xbd, 0x7f, 0x2d, 0x77, 0x8b, 0x8c,
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0x98, 0x03, 0xae, 0xe3, 0x28, 0x09, 0x1b, 0x58,
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0xfa, 0xb3, 0x24, 0xe4, 0xfa, 0xd6, 0x75, 0x94,
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0x55, 0x85, 0x80, 0x8b, 0x48, 0x31, 0xd7, 0xbc,
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0x3f, 0xf4, 0xde, 0xf0, 0x8e, 0x4b, 0x7a, 0x9d,
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0xe5, 0x76, 0xd2, 0x65, 0x86, 0xce, 0xc6, 0x4b,
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0x61, 0x16},
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.authdata = {0x50, 0x51, 0x52, 0x53, 0xc0, 0xc1, 0xc2, 0xc3,
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0xc4, 0xc5, 0xc6, 0xc7},
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.iv = {0x07, 0x00, 0x00, 0x00, 0x40, 0x41, 0x42, 0x43,
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0x44, 0x45, 0x46, 0x47},
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.tag = {0x1a, 0xe1, 0x0b, 0x59, 0x4f, 0x09, 0xe2, 0x6a,
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0x7e, 0x90, 0x2e, 0xcb, 0xd0, 0x60, 0x06, 0x91},
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.authsize = 12,
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.datasize = 114,
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.tagsize = 16,
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.ivsize = 12
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};
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static TestVector const testVectorChaChaPoly_2 PROGMEM = {
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.name = "ChaChaPoly #2",
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.key = {0x1c, 0x92, 0x40, 0xa5, 0xeb, 0x55, 0xd3, 0x8a,
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0xf3, 0x33, 0x88, 0x86, 0x04, 0xf6, 0xb5, 0xf0,
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0x47, 0x39, 0x17, 0xc1, 0x40, 0x2b, 0x80, 0x09,
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0x9d, 0xca, 0x5c, 0xbc, 0x20, 0x70, 0x75, 0xc0},
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.plaintext = {0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74,
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0x2d, 0x44, 0x72, 0x61, 0x66, 0x74, 0x73, 0x20,
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0x61, 0x72, 0x65, 0x20, 0x64, 0x72, 0x61, 0x66,
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0x74, 0x20, 0x64, 0x6f, 0x63, 0x75, 0x6d, 0x65,
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0x6e, 0x74, 0x73, 0x20, 0x76, 0x61, 0x6c, 0x69,
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0x64, 0x20, 0x66, 0x6f, 0x72, 0x20, 0x61, 0x20,
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0x6d, 0x61, 0x78, 0x69, 0x6d, 0x75, 0x6d, 0x20,
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0x6f, 0x66, 0x20, 0x73, 0x69, 0x78, 0x20, 0x6d,
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0x6f, 0x6e, 0x74, 0x68, 0x73, 0x20, 0x61, 0x6e,
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0x64, 0x20, 0x6d, 0x61, 0x79, 0x20, 0x62, 0x65,
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0x20, 0x75, 0x70, 0x64, 0x61, 0x74, 0x65, 0x64,
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0x2c, 0x20, 0x72, 0x65, 0x70, 0x6c, 0x61, 0x63,
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0x65, 0x64, 0x2c, 0x20, 0x6f, 0x72, 0x20, 0x6f,
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0x62, 0x73, 0x6f, 0x6c, 0x65, 0x74, 0x65, 0x64,
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0x20, 0x62, 0x79, 0x20, 0x6f, 0x74, 0x68, 0x65,
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0x72, 0x20, 0x64, 0x6f, 0x63, 0x75, 0x6d, 0x65,
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0x6e, 0x74, 0x73, 0x20, 0x61, 0x74, 0x20, 0x61,
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0x6e, 0x79, 0x20, 0x74, 0x69, 0x6d, 0x65, 0x2e,
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0x20, 0x49, 0x74, 0x20, 0x69, 0x73, 0x20, 0x69,
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0x6e, 0x61, 0x70, 0x70, 0x72, 0x6f, 0x70, 0x72,
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0x69, 0x61, 0x74, 0x65, 0x20, 0x74, 0x6f, 0x20,
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0x75, 0x73, 0x65, 0x20, 0x49, 0x6e, 0x74, 0x65,
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0x72, 0x6e, 0x65, 0x74, 0x2d, 0x44, 0x72, 0x61,
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0x66, 0x74, 0x73, 0x20, 0x61, 0x73, 0x20, 0x72,
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0x65, 0x66, 0x65, 0x72, 0x65, 0x6e, 0x63, 0x65,
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0x20, 0x6d, 0x61, 0x74, 0x65, 0x72, 0x69, 0x61,
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0x6c, 0x20, 0x6f, 0x72, 0x20, 0x74, 0x6f, 0x20,
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0x63, 0x69, 0x74, 0x65, 0x20, 0x74, 0x68, 0x65,
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0x6d, 0x20, 0x6f, 0x74, 0x68, 0x65, 0x72, 0x20,
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0x74, 0x68, 0x61, 0x6e, 0x20, 0x61, 0x73, 0x20,
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0x2f, 0xe2, 0x80, 0x9c, 0x77, 0x6f, 0x72, 0x6b,
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0x20, 0x69, 0x6e, 0x20, 0x70, 0x72, 0x6f, 0x67,
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0x72, 0x65, 0x73, 0x73, 0x2e, 0x2f, 0xe2, 0x80,
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0x9d},
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.ciphertext = {0x64, 0xa0, 0x86, 0x15, 0x75, 0x86, 0x1a, 0xf4,
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0x60, 0xf0, 0x62, 0xc7, 0x9b, 0xe6, 0x43, 0xbd,
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0x5e, 0x80, 0x5c, 0xfd, 0x34, 0x5c, 0xf3, 0x89,
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0xf1, 0x08, 0x67, 0x0a, 0xc7, 0x6c, 0x8c, 0xb2,
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0x4c, 0x6c, 0xfc, 0x18, 0x75, 0x5d, 0x43, 0xee,
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0xa0, 0x9e, 0xe9, 0x4e, 0x38, 0x2d, 0x26, 0xb0,
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0xbd, 0xb7, 0xb7, 0x3c, 0x32, 0x1b, 0x01, 0x00,
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0xd4, 0xf0, 0x3b, 0x7f, 0x35, 0x58, 0x94, 0xcf,
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0x33, 0x2f, 0x83, 0x0e, 0x71, 0x0b, 0x97, 0xce,
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0x98, 0xc8, 0xa8, 0x4a, 0xbd, 0x0b, 0x94, 0x81,
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0x14, 0xad, 0x17, 0x6e, 0x00, 0x8d, 0x33, 0xbd,
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0x60, 0xf9, 0x82, 0xb1, 0xff, 0x37, 0xc8, 0x55,
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0x97, 0x97, 0xa0, 0x6e, 0xf4, 0xf0, 0xef, 0x61,
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0xc1, 0x86, 0x32, 0x4e, 0x2b, 0x35, 0x06, 0x38,
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0x36, 0x06, 0x90, 0x7b, 0x6a, 0x7c, 0x02, 0xb0,
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0xf9, 0xf6, 0x15, 0x7b, 0x53, 0xc8, 0x67, 0xe4,
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0xb9, 0x16, 0x6c, 0x76, 0x7b, 0x80, 0x4d, 0x46,
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0xa5, 0x9b, 0x52, 0x16, 0xcd, 0xe7, 0xa4, 0xe9,
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0x90, 0x40, 0xc5, 0xa4, 0x04, 0x33, 0x22, 0x5e,
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0xe2, 0x82, 0xa1, 0xb0, 0xa0, 0x6c, 0x52, 0x3e,
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0xaf, 0x45, 0x34, 0xd7, 0xf8, 0x3f, 0xa1, 0x15,
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0x5b, 0x00, 0x47, 0x71, 0x8c, 0xbc, 0x54, 0x6a,
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0x0d, 0x07, 0x2b, 0x04, 0xb3, 0x56, 0x4e, 0xea,
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0x1b, 0x42, 0x22, 0x73, 0xf5, 0x48, 0x27, 0x1a,
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0x0b, 0xb2, 0x31, 0x60, 0x53, 0xfa, 0x76, 0x99,
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0x19, 0x55, 0xeb, 0xd6, 0x31, 0x59, 0x43, 0x4e,
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0xce, 0xbb, 0x4e, 0x46, 0x6d, 0xae, 0x5a, 0x10,
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0x73, 0xa6, 0x72, 0x76, 0x27, 0x09, 0x7a, 0x10,
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0x49, 0xe6, 0x17, 0xd9, 0x1d, 0x36, 0x10, 0x94,
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0xfa, 0x68, 0xf0, 0xff, 0x77, 0x98, 0x71, 0x30,
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0x30, 0x5b, 0xea, 0xba, 0x2e, 0xda, 0x04, 0xdf,
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0x99, 0x7b, 0x71, 0x4d, 0x6c, 0x6f, 0x2c, 0x29,
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0xa6, 0xad, 0x5c, 0xb4, 0x02, 0x2b, 0x02, 0x70,
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0x9b},
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.authdata = {0xf3, 0x33, 0x88, 0x86, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x4e, 0x91},
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.iv = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08},
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.tag = {0xee, 0xad, 0x9d, 0x67, 0x89, 0x0c, 0xbb, 0x22,
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0x39, 0x23, 0x36, 0xfe, 0xa1, 0x85, 0x1f, 0x38},
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.authsize = 12,
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.datasize = 265,
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.tagsize = 16,
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.ivsize = 8
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};
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TestVector testVector;
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ChaChaPoly chachapoly;
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byte buffer[MAX_PLAINTEXT_LEN];
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bool testCipher_N(ChaChaPoly *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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cipher->clear();
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if (!cipher->setKey(test->key, 32)) {
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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, test->ivsize)) {
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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, 32);
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cipher->setIV(test->iv, test->ivsize);
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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(ChaChaPoly *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(ChaChaPoly *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, 32);
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cipher->setIV(test->iv, test->ivsize);
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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(ChaChaPoly *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, 32);
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cipher->setIV(test->iv, test->ivsize);
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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(ChaChaPoly *cipher, const struct TestVector *test)
|
|
{
|
|
unsigned long start;
|
|
unsigned long elapsed;
|
|
int count;
|
|
|
|
memcpy_P(&testVector, test, sizeof(TestVector));
|
|
test = &testVector;
|
|
|
|
Serial.print(test->name);
|
|
Serial.print(" Decrypt ... ");
|
|
|
|
cipher->setKey(test->key, 32);
|
|
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(ChaChaPoly *cipher, const struct TestVector *test)
|
|
{
|
|
unsigned long start;
|
|
unsigned long elapsed;
|
|
int count;
|
|
|
|
memcpy_P(&testVector, test, sizeof(TestVector));
|
|
test = &testVector;
|
|
|
|
Serial.print(test->name);
|
|
Serial.print(" AddAuthData ... ");
|
|
|
|
cipher->setKey(test->key, 32);
|
|
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(ChaChaPoly *cipher, const struct TestVector *test)
|
|
{
|
|
unsigned long start;
|
|
unsigned long elapsed;
|
|
int count;
|
|
|
|
memcpy_P(&testVector, test, sizeof(TestVector));
|
|
test = &testVector;
|
|
|
|
Serial.print(test->name);
|
|
Serial.print(" ComputeTag ... ");
|
|
|
|
cipher->setKey(test->key, 32);
|
|
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(ChaChaPoly *cipher, const struct TestVector *test)
|
|
{
|
|
perfCipherSetKey(cipher, test);
|
|
perfCipherEncrypt(cipher, test);
|
|
perfCipherDecrypt(cipher, test);
|
|
perfCipherAddAuthData(cipher, test);
|
|
//perfCipherComputeTag(cipher, test);
|
|
}
|
|
|
|
void setup()
|
|
{
|
|
Serial.begin(9600);
|
|
|
|
Serial.println();
|
|
|
|
Serial.print("State Size ... ");
|
|
Serial.println(sizeof(ChaChaPoly));
|
|
Serial.println();
|
|
|
|
Serial.println("Test Vectors:");
|
|
testCipher(&chachapoly, &testVectorChaChaPoly_1);
|
|
testCipher(&chachapoly, &testVectorChaChaPoly_2);
|
|
|
|
Serial.println();
|
|
|
|
Serial.println("Performance Tests:");
|
|
perfCipher(&chachapoly, &testVectorChaChaPoly_1);
|
|
}
|
|
|
|
void loop()
|
|
{
|
|
}
|