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README.md
wolfSSL Benchmark Example
This ESP32 example uses the wolfSSL wolfcrypt Benchmark Application.
For general information on wolfSSL examples for Espressif, see the README file.
Espressif ESP Component Registry
See the wolfSSL namespace and additional details:
https://www.wolfssl.com/wolfssl-now-available-in-espressif-component-registry/
Windows COM Port
All of these examples use COM20 on Windows. The DOS change port command can be use to assign any
other local port to COM20 as needed:
change port com20=com23
Bulk Testing
If you have a test jig with multiple ESP32 devices and you'd like to run this wolfcrypt benchmark on all of them, check out
the testAll.sh and testMonitor.sh scripts in the ../wolfssl_test directory. Copy those
bash script files to this project. See the esp32[NN]_PORT and esp32[NN]_PUTTY settings in testMonitor.sh that will
be machine-specific.
VisualGDB
Open the VisualGDB Visual Studio Project file in the VisualGDB directory and click the "Start" button.
No wolfSSL setup is needed. You may need to adjust your specific COM port. The default is COM20.
Include in the respective project ./VisualGDB directory are VisualGDB project files.
Individual project files are included for convenience to new users,
as there are difficulties switching between ESP-IDF Versions or Chipsets
using the VisualGDB extension.
The naming convention for project files is: [project name]_IDF_[Version]_[chipset].vgdbproj. The solution files (filename[.sln]) often will contain shortcuts to commonly used source and configuration files used by the respective project.
| ChipSet | ESP-IDF v4.4 | ESP-IDF v5.2 |
|---|---|---|
| ESP32 | x | |
| ESP32-S2 | ||
| ESP32-S3 | x | x |
| ESP32-C3 | x | x |
| ESP32-C6 |
The default directories are:
C:\SysGCC- The root directory install of VisualGDBC:\SysGCC\esp32- The default for ESP-IDF v5.xC:\SysGCC\esp32-8.4- Many need to manually select this name for ESP-IDF v4.x installC:\SysGCC\esp8266- The default for ESP8266
Windows ports assigned with the change port command may not appear in the VisualGDB dropdowns but can still
be used when manually typed.
See the feature request.
ESP-IDF Commandline
idf.py menuconfigto configure the program. 1-1. Example Configuration ->BENCH_ARG : argument that you want to use. Default is "-lng 0" The list of arguments can be found in help. See benchmark/README.md Features to be benchmarked are enabled in the
user_settings.h.
When you want to run the benchmark program
idf.py -p <PORT> flashto compile and load the firmwareidf.py monitorto see the message
See the README.md file in the upper level 'examples' directory for more information about examples.
Performance
Reminder than when building on WSL in /mnt/c there will be a noticeable performance degradation at compile time. Using ~/ will be faster at the cost of shared filesystems.
Example build on WSL:
Optionally update toolchain
cd /mnt/c/SysGCC/esp32/esp-idf/master
git fetch
git pull
git submodule update --init --recursive
# pick your workspace location
# cd ~/workspace/wolfssl/IDE/Espressif/ESP-IDF/examples/wolfssl_benchmark
# cd /mnt/c/workspace/wolfssl/IDE/Espressif/ESP-IDF/examples/wolfssl_benchmark
# cd /mnt/c/workspace/wolfssl-master/IDE/Espressif/ESP-IDF/examples/wolfssl_benchmark
cd /mnt/c/workspace/wolfssl-$USER/IDE/Espressif/ESP-IDF/examples/wolfssl_benchmark
# The ESP8266 uses a completely different toolchain:
WRK_IDF_PATH=/mnt/c/SysGCC/esp8266/rtos-sdk/v3.4
# Pick ESP-IDF toolchain install directory
WRK_IDF_PATH=~/esp/esp-idf
# ESP-IDF v4.x uses toolchain v8.4
WRK_IDF_PATH=/mnt/c/SysGCC/esp32-8.4/esp-idf/v4.4.1
# ESP-IDF v5.0 with toolchain v12.4
WRK_IDF_PATH=/mnt/c/SysGCC/esp32-12.4/esp-idf/v5.0
# ESP-IDF v5.0 to v5.2.1 uses toolchain v12.4
WRK_IDF_PATH=/mnt/c/SysGCC/esp32-12.4/esp-idf/v5.0
WRK_IDF_PATH=/mnt/c/SysGCC/esp32-12.4/esp-idf/v5.1
WRK_IDF_PATH=/mnt/c/SysGCC/esp32-12.4/esp-idf/v5.2.1
# The most recent version:
# ESP-IDF v5.2 uses toolchain v13.2
WRK_IDF_PATH=/mnt/c/SysGCC/esp32/esp-idf/v5.2
. $WRK_IDF_PATH/export.sh
# Set target SoC
idf.py set-target esp32c3
# Optionally erase
# Build and flash
idf.py build flash -p /dev/ttyS20 -b 115200 monitor
Example Output
Note the default wolfSSL user_settings.h is configured by default to be the most
compatible across the widest ranges of targets. Contact wolfSSL at support@wolfssl.com
for help in optimizing for your particular application, or see the
docs.
Compiled and flashed with idf.py build flash -p /dev/ttyS7 -b 115200 monitor:
--- idf_monitor on /dev/ttyS7 115200 ---
--- Quit: Ctrl+] | Menu: Ctrl+T | Help: Ctrl+T followed by Ctrl+H ---
(377) cpu_start: Starting scheduler ets Jun 8 2016 00:22:57
rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:2
load:0x3fff0030,len:6664
load:0x40078000,len:14848
load:0x40080400,len:3792
0x40080400: _init at ??:?
entry 0x40080694
I (27) boot: ESP-IDF v4.4.2-dirty 2nd stage bootloader
I (27) boot: compile time 13:41:41
I (27) boot: chip revision: 1
I (30) boot_comm: chip revision: 1, min. bootloader chip revision: 0
I (37) boot.esp32: SPI Speed : 40MHz
I (42) boot.esp32: SPI Mode : DIO
I (46) boot.esp32: SPI Flash Size : 2MB
I (51) boot: Enabling RNG early entropy source...
I (56) boot: Partition Table:
I (60) boot: ## Label Usage Type ST Offset Length
I (67) boot: 0 nvs WiFi data 01 02 00009000 00006000
I (75) boot: 1 phy_init RF data 01 01 0000f000 00001000
I (82) boot: 2 factory factory app 00 00 00010000 00100000
I (90) boot: End of partition table
I (94) boot_comm: chip revision: 1, min. application chip revision: 0
I (101) esp_image: segment 0: paddr=00010020 vaddr=3f400020 size=12bf4h ( 76788) map
I (137) esp_image: segment 1: paddr=00022c1c vaddr=3ffb0000 size=02420h ( 9248) load
I (141) esp_image: segment 2: paddr=00025044 vaddr=40080000 size=0afd4h ( 45012) load
I (161) esp_image: segment 3: paddr=00030020 vaddr=400d0020 size=33148h (209224) map
I (237) esp_image: segment 4: paddr=00063170 vaddr=4008afd4 size=00550h ( 1360) load
I (238) esp_image: segment 5: paddr=000636c8 vaddr=50000000 size=00010h ( 16) load
I (249) boot: Loaded app from partition at offset 0x10000
I (249) boot: Disabling RNG early entropy source...
I (266) cpu_start: Pro cpu up.
I (266) cpu_start: Starting app cpu, entry point is 0x40081098
0x40081098: call_start_cpu1 at /mnt/c/SysGCC/esp32/esp-idf/v4.4.2/components/esp_system/port/cpu_start.c:160
I (0) cpu_start: App cpu up.
I (280) cpu_start: Pro cpu start user code
I (280) cpu_start: cpu freq: 240000000
I (280) cpu_start: Application information:
I (285) cpu_start: Project name: wolfssl_benchmark
I (291) cpu_start: App version: v5.5.3-stable-108-gbd7b442df-di
I (298) cpu_start: Compile time: Nov 17 2022 14:10:03
I (304) cpu_start: ELF file SHA256: fbb520f5bbf963a0...
I (310) cpu_start: ESP-IDF: v4.4.2-dirty
I (316) heap_init: Initializing. RAM available for dynamic allocation:
I (323) heap_init: At 3FFAE6E0 len 00001920 (6 KiB): DRAM
I (329) heap_init: At 3FFB3DE8 len 0002C218 (176 KiB): DRAM
I (335) heap_init: At 3FFE0440 len 00003AE0 (14 KiB): D/IRAM
I (341) heap_init: At 3FFE4350 len 0001BCB0 (111 KiB): D/IRAM
I (348) heap_init: At 4008B524 len 00014ADC (82 KiB): IRAM
I (355) spi_flash: detected chip: generic
I (359) spi_flash: flash io: dio
W (362) spi_flash: Detected size(4096k) larger than the size in the binary image header(2048k). Using the size in the binary image header.
I (377) cpu_start: Starting scheduler on PRO CPU.
I (0) cpu_start: Starting scheduler on APP CPU.
I (391) wolfssl_benchmark: app_main CONFIG_BENCH_ARGV = -lng 0
I (397) wolfssl_benchmark: construct_argv arg:-lng 0
------------------------------------------------------------------------------
wolfSSL version 5.5.3
------------------------------------------------------------------------------
wolfCrypt Benchmark (block bytes 1024, min 1.0 sec each)
RNG 1 MiB took 1.017 seconds, 1.320 MiB/s
AES-128-CBC-enc 6 MiB took 1.002 seconds, 5.726 MiB/s
AES-128-CBC-dec 5 MiB took 1.000 seconds, 5.347 MiB/s
AES-192-CBC-enc 6 MiB took 1.004 seconds, 5.714 MiB/s
AES-192-CBC-dec 5 MiB took 1.001 seconds, 5.341 MiB/s
AES-256-CBC-enc 6 MiB took 1.000 seconds, 5.713 MiB/s
AES-256-CBC-dec 5 MiB took 1.002 seconds, 5.336 MiB/s
AES-128-GCM-enc 300 KiB took 1.004 seconds, 298.805 KiB/s
AES-128-GCM-dec 300 KiB took 1.004 seconds, 298.805 KiB/s
AES-192-GCM-enc 300 KiB took 1.007 seconds, 297.915 KiB/s
AES-192-GCM-dec 300 KiB took 1.008 seconds, 297.619 KiB/s
AES-256-GCM-enc 300 KiB took 1.011 seconds, 296.736 KiB/s
AES-256-GCM-dec 300 KiB took 1.011 seconds, 296.736 KiB/s
GMAC Default 403 KiB took 1.002 seconds, 402.196 KiB/s
3DES 450 KiB took 1.028 seconds, 437.743 KiB/s
MD5 14 MiB took 1.001 seconds, 13.756 MiB/s
SHA 14 MiB took 1.001 seconds, 14.463 MiB/s
SHA-256 14 MiB took 1.000 seconds, 14.233 MiB/s
SHA-512 17 MiB took 1.000 seconds, 16.626 MiB/s
HMAC-MD5 14 MiB took 1.000 seconds, 13.599 MiB/s
HMAC-SHA 14 MiB took 1.000 seconds, 13.989 MiB/s
HMAC-SHA256 14 MiB took 1.000 seconds, 13.940 MiB/s
HMAC-SHA512 16 MiB took 1.000 seconds, 16.064 MiB/s
PBKDF2 640 bytes took 1.009 seconds, 634.291 bytes/s
RSA 2048 public 52 ops took 1.022 sec, avg 19.654 ms, 50.881 ops/sec
RSA 2048 private 4 ops took 1.056 sec, avg 264.000 ms, 3.788 ops/sec
ECC [ SECP256R1] 256 key gen 4 ops took 1.216 sec, avg 304.000 ms, 3.289 ops/sec
ECDHE [ SECP256R1] 256 agree 4 ops took 1.215 sec, avg 303.750 ms, 3.292 ops/sec
ECDSA [ SECP256R1] 256 sign 4 ops took 1.226 sec, avg 306.500 ms, 3.263 ops/sec
ECDSA [ SECP256R1] 256 verify 2 ops took 1.172 sec, avg 586.000 ms, 1.706 ops/sec
CURVE 25519 key gen 3 ops took 1.279 sec, avg 426.333 ms, 2.346 ops/sec
CURVE 25519 agree 4 ops took 1.701 sec, avg 425.250 ms, 2.352 ops/sec
ED 25519 key gen 46 ops took 1.008 sec, avg 21.913 ms, 45.635 ops/sec
ED 25519 sign 42 ops took 1.038 sec, avg 24.714 ms, 40.462 ops/sec
ED 25519 verify 26 ops took 1.009 sec, avg 38.808 ms, 25.768 ops/sec
Benchmark complete
Known Issues and Common Issues
Permission denied
Delete project directory build, .visualgdb and .vs directories. Ensure no other build
process is using the same files in Windows, WSL, Visual Studio, VSCode, etc.
Example message:
-- Building ESP-IDF components for target esp32
CMake Error at /mnt/c/SysGCC/esp32/esp-idf/v4.4.2/tools/cmake/component.cmake:131 (file):
file failed to open for writing (Permission denied):
/mnt/c/workspace-pr/wolfssl/IDE/Espressif/ESP-IDF/examples/wolfssl_test/build/bootloader/component_properties.temp.cmake
user_settings.h: No such file or directory
Ensure wolfSSL is installed in the ESP-IDF or local project components directory.
Example message:
esp-idf/main/CMakeFiles/__idf_main.dir/main.c.obj -c ../main/main.c
../main/main.c:27:10: fatal error: user_settings.h: No such file or directory
#include <user_settings.h>
^~~~~~~~~~~~~~~~~
compilation terminated.
A 'clean` may be needed after freshly installing a new component:
idf.py clean build flash -p /dev/ttyS7 -b 115200 monitor
See the README.md file in the upper level 'examples' directory for more information about examples.