mirror of
https://github.com/taigrr/arduinolibs
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584 lines
21 KiB
C++
584 lines
21 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 GCM implementation to verify correct behaviour.
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*/
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#include <Crypto.h>
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#include <AES.h>
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#include <Speck.h>
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#include <SpeckTiny.h>
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#include <GCM.h>
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#include <string.h>
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#if defined(ESP8266) || defined(ESP32)
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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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// There isn't enough memory to test both AES and Speck on the Uno,
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// so disable Speck testing on AVR platforms unless explicitly enabled.
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// When enabled, some of the AES tests are disabled to reclaim memory.
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#if defined(__AVR__)
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//#define TEST_SPECK 1
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#endif
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#define MAX_PLAINTEXT_LEN 64
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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[20];
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uint8_t iv[12];
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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 AES in GCM mode from Appendix B of:
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// http://csrc.nist.gov/groups/ST/toolkit/BCM/documents/proposedmodes/gcm/gcm-revised-spec.pdf
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static TestVector const testVectorGCM1 PROGMEM = {
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.name = "AES-128 GCM #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 = {0x00},
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.ciphertext = {0x00},
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.authdata = {0x00},
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.iv = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00},
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.tag = {0x58, 0xe2, 0xfc, 0xce, 0xfa, 0x7e, 0x30, 0x61,
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0x36, 0x7f, 0x1d, 0x57, 0xa4, 0xe7, 0x45, 0x5a},
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.authsize = 0,
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.datasize = 0,
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.tagsize = 16,
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.ivsize = 12
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};
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#ifndef TEST_SPECK
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static TestVector const testVectorGCM2 PROGMEM = {
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.name = "AES-128 GCM #2",
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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 = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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.ciphertext = {0x03, 0x88, 0xda, 0xce, 0x60, 0xb6, 0xa3, 0x92,
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0xf3, 0x28, 0xc2, 0xb9, 0x71, 0xb2, 0xfe, 0x78},
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.authdata = {0x00},
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.iv = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00},
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.tag = {0xab, 0x6e, 0x47, 0xd4, 0x2c, 0xec, 0x13, 0xbd,
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0xf5, 0x3a, 0x67, 0xb2, 0x12, 0x57, 0xbd, 0xdf},
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.authsize = 0,
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.datasize = 16,
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.tagsize = 16,
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.ivsize = 12
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};
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static TestVector const testVectorGCM3 PROGMEM = {
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.name = "AES-128 GCM #3",
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.key = {0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c,
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0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08},
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.plaintext = {0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5,
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0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a,
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0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda,
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0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72,
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0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53,
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0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25,
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0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57,
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0xba, 0x63, 0x7b, 0x39, 0x1a, 0xaf, 0xd2, 0x55},
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.ciphertext = {0x42, 0x83, 0x1e, 0xc2, 0x21, 0x77, 0x74, 0x24,
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0x4b, 0x72, 0x21, 0xb7, 0x84, 0xd0, 0xd4, 0x9c,
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0xe3, 0xaa, 0x21, 0x2f, 0x2c, 0x02, 0xa4, 0xe0,
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0x35, 0xc1, 0x7e, 0x23, 0x29, 0xac, 0xa1, 0x2e,
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0x21, 0xd5, 0x14, 0xb2, 0x54, 0x66, 0x93, 0x1c,
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0x7d, 0x8f, 0x6a, 0x5a, 0xac, 0x84, 0xaa, 0x05,
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0x1b, 0xa3, 0x0b, 0x39, 0x6a, 0x0a, 0xac, 0x97,
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0x3d, 0x58, 0xe0, 0x91, 0x47, 0x3f, 0x59, 0x85},
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.authdata = {0x00},
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.iv = {0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce, 0xdb, 0xad,
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0xde, 0xca, 0xf8, 0x88},
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.tag = {0x4d, 0x5c, 0x2a, 0xf3, 0x27, 0xcd, 0x64, 0xa6,
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0x2c, 0xf3, 0x5a, 0xbd, 0x2b, 0xa6, 0xfa, 0xb4},
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.authsize = 0,
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.datasize = 64,
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.tagsize = 16,
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.ivsize = 12
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};
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static TestVector const testVectorGCM4 PROGMEM = {
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.name = "AES-128 GCM #4",
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.key = {0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c,
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0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08},
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.plaintext = {0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5,
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0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a,
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0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda,
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0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72,
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0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53,
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0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25,
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0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57,
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0xba, 0x63, 0x7b, 0x39},
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.ciphertext = {0x42, 0x83, 0x1e, 0xc2, 0x21, 0x77, 0x74, 0x24,
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0x4b, 0x72, 0x21, 0xb7, 0x84, 0xd0, 0xd4, 0x9c,
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0xe3, 0xaa, 0x21, 0x2f, 0x2c, 0x02, 0xa4, 0xe0,
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0x35, 0xc1, 0x7e, 0x23, 0x29, 0xac, 0xa1, 0x2e,
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0x21, 0xd5, 0x14, 0xb2, 0x54, 0x66, 0x93, 0x1c,
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0x7d, 0x8f, 0x6a, 0x5a, 0xac, 0x84, 0xaa, 0x05,
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0x1b, 0xa3, 0x0b, 0x39, 0x6a, 0x0a, 0xac, 0x97,
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0x3d, 0x58, 0xe0, 0x91},
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.authdata = {0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef,
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0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef,
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0xab, 0xad, 0xda, 0xd2},
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.iv = {0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce, 0xdb, 0xad,
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0xde, 0xca, 0xf8, 0x88},
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.tag = {0x5b, 0xc9, 0x4f, 0xbc, 0x32, 0x21, 0xa5, 0xdb,
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0x94, 0xfa, 0xe9, 0x5a, 0xe7, 0x12, 0x1a, 0x47},
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.authsize = 20,
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.datasize = 60,
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.tagsize = 16,
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.ivsize = 12
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};
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static TestVector const testVectorGCM5 PROGMEM = {
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.name = "AES-128 GCM #5",
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.key = {0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c,
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0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08},
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.plaintext = {0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5,
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0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a,
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0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda,
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0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72,
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0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53,
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0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25,
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0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57,
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0xba, 0x63, 0x7b, 0x39},
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.ciphertext = {0x61, 0x35, 0x3b, 0x4c, 0x28, 0x06, 0x93, 0x4a,
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0x77, 0x7f, 0xf5, 0x1f, 0xa2, 0x2a, 0x47, 0x55,
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0x69, 0x9b, 0x2a, 0x71, 0x4f, 0xcd, 0xc6, 0xf8,
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0x37, 0x66, 0xe5, 0xf9, 0x7b, 0x6c, 0x74, 0x23,
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0x73, 0x80, 0x69, 0x00, 0xe4, 0x9f, 0x24, 0xb2,
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0x2b, 0x09, 0x75, 0x44, 0xd4, 0x89, 0x6b, 0x42,
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0x49, 0x89, 0xb5, 0xe1, 0xeb, 0xac, 0x0f, 0x07,
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0xc2, 0x3f, 0x45, 0x98},
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.authdata = {0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef,
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0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef,
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0xab, 0xad, 0xda, 0xd2},
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.iv = {0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce, 0xdb, 0xad},
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.tag = {0x36, 0x12, 0xd2, 0xe7, 0x9e, 0x3b, 0x07, 0x85,
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0x56, 0x1b, 0xe1, 0x4a, 0xac, 0xa2, 0xfc, 0xcb},
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.authsize = 20,
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.datasize = 60,
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.tagsize = 16,
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.ivsize = 8
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};
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#endif // !TEST_SPECK
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static TestVector const testVectorGCM10 PROGMEM = {
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.name = "AES-192 GCM #10",
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.key = {0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c,
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0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08,
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0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c},
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.plaintext = {0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5,
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0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a,
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0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda,
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0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72,
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0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53,
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0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25,
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0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57,
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0xba, 0x63, 0x7b, 0x39},
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.ciphertext = {0x39, 0x80, 0xca, 0x0b, 0x3c, 0x00, 0xe8, 0x41,
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0xeb, 0x06, 0xfa, 0xc4, 0x87, 0x2a, 0x27, 0x57,
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0x85, 0x9e, 0x1c, 0xea, 0xa6, 0xef, 0xd9, 0x84,
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0x62, 0x85, 0x93, 0xb4, 0x0c, 0xa1, 0xe1, 0x9c,
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0x7d, 0x77, 0x3d, 0x00, 0xc1, 0x44, 0xc5, 0x25,
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0xac, 0x61, 0x9d, 0x18, 0xc8, 0x4a, 0x3f, 0x47,
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0x18, 0xe2, 0x44, 0x8b, 0x2f, 0xe3, 0x24, 0xd9,
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0xcc, 0xda, 0x27, 0x10},
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.authdata = {0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef,
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0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef,
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0xab, 0xad, 0xda, 0xd2},
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.iv = {0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce, 0xdb, 0xad,
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0xde, 0xca, 0xf8, 0x88},
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.tag = {0x25, 0x19, 0x49, 0x8e, 0x80, 0xf1, 0x47, 0x8f,
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0x37, 0xba, 0x55, 0xbd, 0x6d, 0x27, 0x61, 0x8c},
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.authsize = 20,
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.datasize = 60,
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.tagsize = 16,
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.ivsize = 12
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};
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static TestVector const testVectorGCM16 PROGMEM = {
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.name = "AES-256 GCM #16",
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.key = {0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c,
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0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08,
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0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c,
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0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08},
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.plaintext = {0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5,
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0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a,
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0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda,
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0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72,
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0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53,
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0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25,
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0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57,
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0xba, 0x63, 0x7b, 0x39},
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.ciphertext = {0x52, 0x2d, 0xc1, 0xf0, 0x99, 0x56, 0x7d, 0x07,
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0xf4, 0x7f, 0x37, 0xa3, 0x2a, 0x84, 0x42, 0x7d,
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0x64, 0x3a, 0x8c, 0xdc, 0xbf, 0xe5, 0xc0, 0xc9,
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0x75, 0x98, 0xa2, 0xbd, 0x25, 0x55, 0xd1, 0xaa,
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0x8c, 0xb0, 0x8e, 0x48, 0x59, 0x0d, 0xbb, 0x3d,
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0xa7, 0xb0, 0x8b, 0x10, 0x56, 0x82, 0x88, 0x38,
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0xc5, 0xf6, 0x1e, 0x63, 0x93, 0xba, 0x7a, 0x0a,
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0xbc, 0xc9, 0xf6, 0x62},
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.authdata = {0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef,
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0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef,
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0xab, 0xad, 0xda, 0xd2},
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.iv = {0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce, 0xdb, 0xad,
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0xde, 0xca, 0xf8, 0x88},
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.tag = {0x76, 0xfc, 0x6e, 0xce, 0x0f, 0x4e, 0x17, 0x68,
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0xcd, 0xdf, 0x88, 0x53, 0xbb, 0x2d, 0x55, 0x1b},
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.authsize = 20,
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.datasize = 60,
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.tagsize = 16,
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.ivsize = 12
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};
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TestVector testVector;
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GCM<AES128> *gcmaes128 = 0;
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GCM<AES192> *gcmaes192 = 0;
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GCM<AES256> *gcmaes256 = 0;
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GCM<Speck> *gcmspeck = 0;
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GCM<SpeckTiny> *gcmspecklm = 0;
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byte buffer[128];
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bool testCipher_N(AuthenticatedCipher *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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crypto_feed_watchdog();
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cipher->clear();
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if (!cipher->setKey(test->key, cipher->keySize())) {
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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);
|
|
}
|
|
|
|
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, cipher->keySize());
|
|
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 *name)
|
|
{
|
|
unsigned long start;
|
|
unsigned long elapsed;
|
|
int count;
|
|
|
|
crypto_feed_watchdog();
|
|
|
|
memcpy_P(&testVector, test, sizeof(TestVector));
|
|
test = &testVector;
|
|
|
|
Serial.print(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 *name)
|
|
{
|
|
unsigned long start;
|
|
unsigned long elapsed;
|
|
int count;
|
|
|
|
crypto_feed_watchdog();
|
|
|
|
memcpy_P(&testVector, test, sizeof(TestVector));
|
|
test = &testVector;
|
|
|
|
Serial.print(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 *name)
|
|
{
|
|
unsigned long start;
|
|
unsigned long elapsed;
|
|
int count;
|
|
|
|
crypto_feed_watchdog();
|
|
|
|
memcpy_P(&testVector, test, sizeof(TestVector));
|
|
test = &testVector;
|
|
|
|
Serial.print(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 *name)
|
|
{
|
|
unsigned long start;
|
|
unsigned long elapsed;
|
|
int count;
|
|
|
|
crypto_feed_watchdog();
|
|
|
|
memcpy_P(&testVector, test, sizeof(TestVector));
|
|
test = &testVector;
|
|
|
|
Serial.print(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 *name)
|
|
{
|
|
unsigned long start;
|
|
unsigned long elapsed;
|
|
int count;
|
|
|
|
crypto_feed_watchdog();
|
|
|
|
memcpy_P(&testVector, test, sizeof(TestVector));
|
|
test = &testVector;
|
|
|
|
Serial.print(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 *name)
|
|
{
|
|
perfCipherSetKey(cipher, test, name);
|
|
perfCipherEncrypt(cipher, test, name);
|
|
perfCipherDecrypt(cipher, test, name);
|
|
perfCipherAddAuthData(cipher, test, name);
|
|
perfCipherComputeTag(cipher, test, name);
|
|
}
|
|
|
|
void setup()
|
|
{
|
|
Serial.begin(9600);
|
|
|
|
Serial.println();
|
|
|
|
#ifndef TEST_SPECK
|
|
Serial.println("State Sizes:");
|
|
Serial.print("GCM<AES128> ... ");
|
|
Serial.println(sizeof(*gcmaes128));
|
|
Serial.print("GCM<AES192> ... ");
|
|
Serial.println(sizeof(*gcmaes192));
|
|
Serial.print("GCM<AES256> ... ");
|
|
Serial.println(sizeof(*gcmaes256));
|
|
Serial.print("GCM<Speck> ... ");
|
|
Serial.println(sizeof(*gcmspeck));
|
|
Serial.print("GCM<SpeckTiny> ... ");
|
|
Serial.println(sizeof(*gcmspecklm));
|
|
Serial.println();
|
|
#endif
|
|
|
|
Serial.println("Test Vectors:");
|
|
gcmaes128 = new GCM<AES128>();
|
|
testCipher(gcmaes128, &testVectorGCM1);
|
|
#ifndef TEST_SPECK
|
|
testCipher(gcmaes128, &testVectorGCM2);
|
|
testCipher(gcmaes128, &testVectorGCM3);
|
|
testCipher(gcmaes128, &testVectorGCM4);
|
|
testCipher(gcmaes128, &testVectorGCM5);
|
|
#endif
|
|
delete gcmaes128;
|
|
gcmaes192 = new GCM<AES192>();
|
|
testCipher(gcmaes192, &testVectorGCM10);
|
|
delete gcmaes192;
|
|
gcmaes256 = new GCM<AES256>();
|
|
testCipher(gcmaes256, &testVectorGCM16);
|
|
delete gcmaes256;
|
|
|
|
Serial.println();
|
|
|
|
Serial.println("Performance Tests:");
|
|
#ifndef TEST_SPECK
|
|
gcmaes128 = new GCM<AES128>();
|
|
perfCipher(gcmaes128, &testVectorGCM1, testVectorGCM1.name);
|
|
delete gcmaes128;
|
|
gcmaes192 = new GCM<AES192>();
|
|
perfCipher(gcmaes192, &testVectorGCM10, testVectorGCM10.name);
|
|
delete gcmaes192;
|
|
gcmaes256 = new GCM<AES256>();
|
|
perfCipher(gcmaes256, &testVectorGCM16, testVectorGCM16.name);
|
|
delete gcmaes256;
|
|
#endif
|
|
#if defined(TEST_SPECK) || !defined(__AVR__)
|
|
gcmspeck = new GCM<Speck>();
|
|
perfCipher(gcmspeck, &testVectorGCM16, "GCM-Speck-256");
|
|
delete gcmspeck;
|
|
gcmspecklm = new GCM<SpeckTiny>();
|
|
perfCipher(gcmspecklm, &testVectorGCM16, "GCM-SpeckTiny-256");
|
|
delete gcmspecklm;
|
|
#endif
|
|
}
|
|
|
|
void loop()
|
|
{
|
|
}
|