/* ecc-verify-benchmark.c * * Copyright (C) 2006-2021 wolfSSL Inc. * * This file is part of wolfSSL. * * wolfSSL is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * wolfSSL is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA */ #include #include #include #include #include #include #define USE_CERT_BUFFERS_256 #include #define MAX_TIMES 5000 #define MAX_BLOCK_SIZE 1024 #include static double get_time() { struct timeval tv; gettimeofday(&tv, 0); return (double)tv.tv_sec + (double)tv.tv_usec / 1000000; } /* software version */ void* hash_firmware_verify(void* key) { int ret, i; int verify; const byte hash[] = { 0XFB, 0XBA, 0XB2, 0X89, 0XF7, 0XF9, 0X4B, 0X25, 0X73, 0X6C, 0X58, 0XBE, 0X46, 0XA9, 0X94, 0XC4, 0X41, 0XFD, 0X02, 0X55, 0X2C, 0XC6, 0X02, 0X23, 0X52, 0XE3, 0XD8, 0X6D, 0X2F, 0XAB, 0X7C, 0X83 }; const byte sigBuf[] = { 0X30, 0X44, 0X02, 0X20, 0X05, 0X38, 0XBC, 0X16, 0XC7, 0X67, 0X18, 0XEC, 0XE6, 0X1E, 0X43, 0X7B, 0X29, 0X8F, 0X85, 0X01, 0X33, 0XA8, 0X9B, 0XDD, 0X91, 0X32, 0X1F, 0XEC, 0XF7, 0X91, 0X18, 0X72, 0X9C, 0XE2, 0X6F, 0X31, 0X02, 0X20, 0X3E, 0X31, 0XD6, 0X40, 0XF7, 0X38, 0X3C, 0X1B, 0X6D, 0XAD, 0XE3, 0X93, 0X20, 0XE8, 0XB1, 0XBD, 0X3C, 0X59, 0XF2, 0XD2, 0X7C, 0X46, 0X1B, 0XE5, 0XE1, 0XE3, 0XAB, 0X5E, 0X76, 0X73, 0X6F, 0XFB }; word32 sigLen = (word32)sizeof(sigBuf); word32 hashLen = (word32)sizeof(hash); for (i = 0; i < MAX_TIMES; i++) { ret = wc_ecc_verify_hash((byte*)sigBuf, sigLen, hash, hashLen, &verify, (ecc_key*)key); if (ret < 0 || verify != 1) { printf("failed on try %d\n", i); break; } } if (ret < 0 || verify != 1) { printf("unable to verify, ret = %d verify = %d\n", ret, verify); } return NULL; } /* when flag is set then try to use software only if DSP is built in */ static int hash_firmware_verify_default(int numThreads) { int ret, i; word32 idx; double t; pthread_t threads[numThreads]; ecc_key eccKey[numThreads]; for (i = 0; i < numThreads; i++) { wc_ecc_init(&(eccKey[i])); idx = 0; ret = wc_EccPrivateKeyDecode(ecc_clikey_der_256, &idx, &(eccKey[i]), sizeof_ecc_clikey_der_256); if (ret < 0) return ret; } t = get_time(); for (i = 0; i < numThreads; i++) { pthread_create(&threads[i], NULL, hash_firmware_verify, (void*)&(eccKey[i])); } for (i = 0; i < numThreads; i++) { pthread_join(threads[i], NULL); } t = get_time() - t; printf("%d verifies on %d threads took %f seconds\n", MAX_TIMES * numThreads, numThreads, t); return 0; } #ifdef WOLFSSL_DSP /* domain 0 = cDSP 1 = aDSP */ static int hash_firmware_verify_dsp(int numThreads, int domain) { int ret, i; word32 idx; double t; remote_handle64 handle[numThreads]; char *sp_URI_value; pthread_t threads[numThreads]; ecc_key eccKey[numThreads]; if (domain == 0) { sp_URI_value = wolfSSL_URI "&_dom=cdsp"; } else { sp_URI_value = wolfSSL_URI "&_dom=adsp"; } for (i = 0; i < numThreads; i++) { wc_ecc_init(&(eccKey[i])); idx = 0; ret = wc_EccPrivateKeyDecode(ecc_clikey_der_256, &idx, &(eccKey[i]), sizeof_ecc_clikey_der_256); if (ret < 0) return ret; ret = wolfSSL_open(sp_URI_value, &(handle[i])); if (ret != 0) { printf("unable to open CDSP? retVal = %d\n", ret); return -1; } wc_ecc_set_handle(&(eccKey[i]), handle[i]); } t = get_time(); for (i = 0; i < numThreads; i++) { pthread_create(&threads[i], NULL, hash_firmware_verify, (void*)&(eccKey[i])); } for (i = 0; i < numThreads; i++) { pthread_join(threads[i], NULL); wolfSSL_close(handle[i]); } t = get_time() - t; printf("%d verifies on %d threads took %f seconds\n", MAX_TIMES * numThreads, numThreads, t); return 0; } #endif /* WOLFSSL_DSP */ int main(int argc, char* argv[]) { wolfCrypt_Init(); printf("benchmarking using default (locks on handle for aDSP)\n"); hash_firmware_verify_default(1); hash_firmware_verify_default(2); printf("\nbenchmarking using software (+NEON if built in)\n"); #ifdef WOLFSSL_DSP wolfSSL_SetHandleCb(NULL); /* remove calls to DSP by default */ #endif hash_firmware_verify_default(1); hash_firmware_verify_default(2); #ifdef WOLFSSL_DSP printf("\nbenchmarking using threads on aDSP\n"); hash_firmware_verify_dsp(1, 1); hash_firmware_verify_dsp(2, 1); hash_firmware_verify_dsp(3, 1); hash_firmware_verify_dsp(4, 1); printf("\nbenchmarking 1 thread on cDSP\n"); hash_firmware_verify_dsp(1, 0); #endif /* WOLFSSL_DSP */ wolfCrypt_Cleanup(); return 0; }