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RZN2L
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README.md

wolfSSL for Renesas RZN2L Board

Description

This directory contains e2studio projects targeted at the Renesas RZ MCUs. The example projects include a wolfSSL TLS client and server. They also include benchmark and cryptography tests for the wolfCrypt library.

The example project contains both the wolfSSL and wolfCrypt libraries. It is built as a Renesas RZ/N C/C++ FSP Project and contains the Renesas RZ configuration. The wolfssl project uses Renesas Secure IP on RZ as hardware acceleration for cryptography.

Limitation

Due to lacking of TLS related feature on RSIP driver version, TLS connection examples below use SHA and Random generation of RSIP driver.

The example project summary is listed below and is relevant for every project.

Project Summary

Item Name/Version
Board RZN2L
Device R9A07G084M08GBG
Toolchain GCC for Renesas RZ
Toolchain Version 10.3.1.20210824
FSP Version 1.2.0

Selected software components

Components Version Note
Board Support Package Common Files v1.20
I/O Port v1.2.0
Arm CMSIS Version 5 - Core (M) v5.7.0+renesas.1
Board support package for R9A07G084M04GBG v1.2.0 Note1
Board support package for RZN2L v1.2.0
Board support package for RZN2L - FSP Data v1.2.0
RSK+RZN2L Board Support Files (RAM execution without flash memory) v1.2.0
FreeRTOS - Buffer Allocation 2 v1.2.0
FreeRTOS - Memory Management - Heap 4 v1.2.0
FreeRTOS+TCP v1.2.0
Ethernet PHY v1.2.0
Ethernet Selector v1.2.0
Ethernet v1.2.0
Ethernet Switch v1.2.0
SCI UART v1.2.0
r_ether to FreeRTOS+TCP Wrapper v1.2.0
Renesas Secure IP Driver v1.3.0+fsp.1.2.0 Need to contact Renesas to get RSIP module
RSIP Engine for RZ/N2L v1.3.0+fsp.1.2.0 Need to contact Renesas to get RSIP module

Note1:\ To use RSIP driver, a device type should be R9A07G084M04GBG. However, choosing R9A07G084M04GBG won't allow to select RSK+RZN2L board. This example uses LED and external flash memory on RSK + RZN2L board. Therefore, the example temporary R9A07G084M04GBG for the device type. Updating e2studio or fsp could resolve the issue.

Setup Steps and Build wolfSSL Library

1.) Import projects from [File]->[Open projects from File System]

  • Select folder at /path/to/wolfssl/IDE/Renesas/e2studio/RZN2L/test

2.) Create a dummy_application Renesas RZ/N C/C++ FSP Project.

  • Click File->New->RZ/N C/C++ FSP Project.
  • Enter project name dummy_application.
  • Select Board: to RSK+RZN2L (RAM execution without flash memory).
  • Select Device: to R9A07G084M04GBG. Click Next.
  • Check to Executable
  • Select FreeRTOS from RTOS selection. Click Finish.
  • Check FreeRTOS minimal - Static Allocation. Click Finish.
  • Open FSP Configurator by clicking configuration.xml in the project -->
  • Go to Stacks tab
  • Add new thread by clicking New Thread, and set properties below
Property Value
Thread Symbol rzn2l_tst_thread
Thread Name rzn2l_tst_thread
Thread Stack size increase depending on your environment
e.g. 0xA000
Thread MemoryAllocation Dynamic
Common General Use Mutexes Enabled
Common General Enable Backward Compatibility Enabled
Common Memory Allocation Support Dynamic Allocation Enabled
Common Memory Allocation Total Heap Size increase depending on your environment
e.g. 0x20000
  • Add Heap 4 stack to rzn2l_tst_thread from New Stack -> FreeRTOS -> FreeRTOS Heap 4
  • Add UART Driver stack to rzn2l_tst_thread from New Stack -> Connectivity -> UART Driver

  • Add FreeRTOS + TCP stack to rzn2l_tst_thread from New Stack -> -> FreeRTOS -> Libraries -> FreeRTOS+TCP and set properties

  • Save dummy_application FSP configuration

  • Copy configuration.xml under dummy_application to test_RZN2L

  • Open FSP configuration by clicking copied configuration.xml at test_RZN2L

  • Click Generate Project Content on FSP configuration GUI

3.) Prepare UART to logging

  • Download Sample package from BACnet Start-Up

  • Copy the following C source files from the project to src/serial_io folder of test_RZN2L\ um_serial_io_uart.c\ um_serial_io_task_writer.c\ um_serial_io_cfg.h\ um_common_api.h\ um_common_cfg.h\ um_serial_io.c\ um_serial_io.h\ um_serial_io_api.h\ um_serial_io_internal.h

  • Open um_serial_io_task_writer.c and re-name printf to uart_printf

3.) Build test_RZN2L project

Run test_RZN2L

1). Right click the project and Select menu Debug -> Renesas GDB Hardware debugging

2). Select J-Link ARM and R9A07G084M04

3). Break at Entry point. Change cpsr register value from 0xXXXXX1yy to 0xXXXXX1da

Run TLS 1.3 Client

1.) Enable WOLFSSL_TLS13 macro in user_settings.h

2.) Enable TLS_CLIENT macro in wolfssl_demo.h of test_RZN2L project

3.) Client IP address and Server IP address

  • Client IP address can be changed by the following line in rzn2l_tst_thread_entry.c.

    static const byte ucIPAddress[4]          = { 192, 168, 11, 241 };

  • Server IP address can be changed by the following line in wolf_client.c.

    #define SERVER_IP    "192.168.11.65"

3.) Build test_RZN2L project

4.) Prepare peer wolfssl server

  • On Linux

  • Clone wolfssl from github repository

    $ ./autogen.sh
$ ./configure
$ make

  • Run peer wolfSSL server

  • RSA sign and verify use, launch server with the following option

    $./examples/server/server -b -d -i -v 4

  • For ECDSA sign and verify use, Enable the USE_CERT_BUFFER_256 macro in wolfssl_demo.h Disable the USE_CERT_BUFFER_2048 macro in wolfssl_demo.h

  • launch server with the following option.

    $./examples/server/server -b -d -i -v 4 -c ./certs/server-ecc.pem -k ./certs/ecc-key.pem

5.) Run the example Client

You will see the following message on a UART terminal when using RSA sign and verify or ECDSA sign and verify.

 Started Serial I/O interface.
 Start TLS Connection to 192.168.11.65 port(11111)
 Error [-116]: FreeRTOS_connect. <-- A number of messages will be showed by depending on number of connection failures.
 Start to connect to the server.
  Cipher : TLS13-AES128-GCM-SHA256
 Received: I hear you fa shizzle!

 Start to connect to the server.
  Cipher : TLS13-AES256-GCM-SHA384
 Received: I hear you fa shizzle!

 End of Client Example

Run TLS 1.2 Client

1.) Disable WOLFSSL_TLS13 macro in user_settings.h

2.) Enable TLS_CLIENT macro in wolfssl_demo.h of test_RZN2L project

3.) Client IP address and Server IP address

  • Client IP address can be changed by the following line in rzn2l_tst_thread_entry.c.

    static const byte ucIPAddress[4]          = { 192, 168, 11, 241 };

  • Server IP address can be changed by the following line in wolf_client.c.

    #define SERVER_IP    "192.168.11.65"

3.) Build test_RZN2L project

4.) Prepare peer wolfssl server

  • On Linux

  • Clone wolfssl from github repository

    $ ./autogen.sh
$ ./configure
$ make

  • Run peer wolfSSL server

  • RSA sign and verify use, launch server with the following option

    $./examples/server/server -b -d -i -v 3

  • For ECDSA sign and verify use, Enable the USE_CERT_BUFFER_256 macro in wolfssl_demo.h Disable the USE_CERT_BUFFER_2048 macro in wolfssl_demo.h

  • launch server with the following option.

    $./examples/server/server -b -d -i -v 3 -c ./certs/server-ecc.pem -k ./certs/ecc-key.pem

5.) Run the example Client

You will see the following message on a UART terminal when using RSA sign and verify.

Started Serial I/O interface.
 Start TLS Connection to 192.168.11.65 port(11111)
 Error [-116]: FreeRTOS_connect.
 Start to connect to the server.
  Cipher : ECDHE-RSA-AES128-GCM-SHA256
 Received: I hear you fa shizzle!

 Start to connect to the server.
  Cipher : ECDHE-RSA-AES256-SHA
 Received: I hear you fa shizzle!

 Start to connect to the server.
  Cipher : ECDHE-RSA-AES128-SHA256
 Received: I hear you fa shizzle!


 End of Client Example

You will see the following message on a UART terminal when using ECDSA sign and verify.

Started Serial I/O interface.
 Start TLS Connection to 192.168.11.65 port(11111)
 Error [-116]: FreeRTOS_connect.
 Start to connect to the server.
  Cipher : ECDHE-ECDSA-AES128-GCM-SHA256
 Received: I hear you fa shizzle!

 Start to connect to the server.
  Cipher : ECDHE-ECDSA-AES256-SHA
 Received: I hear you fa shizzle!

 Start to connect to the server.
  Cipher : ECDHE-ECDSA-AES128-SHA256
 Received: I hear you fa shizzle!


 End of Client Example

Run TLS 1.3 Server

1.) Enable WOLFSSL_TLS13 macro in user_settings.h

2.) Enable TLS_SERVER macro in wolfssl_demo.h of test_RZN2L project

3.) Client IP address and Server IP address

  • Server IP address can be changed by the following line in rzn2l_tst_thread_entry.c.

    static const byte ucIPAddress[4]          = { 192, 168, 11, 241 };

3.) Build test_RZN2L project

  • For ECDSA sign and verify use, Enable the USE_CERT_BUFFER_256 macro in wolfssl_demo.h Disable the USE_CERT_BUFFER_2048 macro in wolfssl_demo.h

  • launch server from e2studio

4.) Prepare peer wolfssl client

5.) Run peer wolfSSL client

  • RSA sign and verify use, run peer client with the following option

    $./examples/client/client -h 192.168.11.241 -p 11111 -v 4

You will see the following message on a UART terminal when using RSA sign and verify.

Started Serial I/O interface.
 Start TLS Accept at 192.168.011.241 port(11111)
Received: hello wolfssl!
Cleaning up socket and wolfSSL objects.
Waiting connection....

You will see the following message on Linux terminal.

$ ./examples/client/client -h 192.168.11.241 -p 11111 -v 4
SSL version is TLSv1.3
SSL cipher suite is TLS_AES_128_GCM_SHA256
SSL curve name is SECP256R1
I hear ya fa s

  • ECDSA sign and verify use, run peer client with the following option

    $./examples/client/client -h 192.168.11.241 -p 11111 -v 3 -A ./certs/ca-ecc-cert.pem -c ./certs/client-ecc-cert.pem  -k ./certs/ecc-client-key.pem

You will see the following message on a UART terminal when using ECDSA sign and verify.

Started Serial I/O interface.
 Start TLS Accept at 192.168.011.241 port(11111)
Received: hello wolfssl!
Cleaning up socket and wolfSSL objects.
Waiting connection....

You will see the following message on Linux terminal.

$ ./examples/client/client -h 192.168.11.241 -p 11111 -v 4 -A ./certs/ca-ecc-cert.pem -c ./certs/client-ecc-cert.pem  -k ./cert
s/ecc-client-key.pem
SSL version is TLSv1.3
SSL cipher suite is TLS_AES_128_GCM_SHA256
SSL curve name is SECP256R1
I hear ya fa s

Run TLS 1.2 Server

1.) Disable WOLFSSL_TLS13 macro in user_settings.h

2.) Enable TLS_SERVER macro in wolfssl_demo.h of test_RZN2L project

3.) Client IP address and Server IP address

  • Server IP address can be changed by the following line in rzn2l_tst_thread_entry.c.

    static const byte ucIPAddress[4]          = { 192, 168, 11, 241 };

3.) Build test_RZN2L project

  • For ECDSA sign and verify use, Enable the USE_CERT_BUFFER_256 macro in wolfssl_demo.h Disable the USE_CERT_BUFFER_2048 macro in wolfssl_demo.h

  • launch server from e2studio

4.) Prepare peer wolfssl client

5.) Run peer wolfSSL client

  • RSA sign and verify use, run peer client with the following option

    $./examples/client/client -h 192.168.11.241 -p 11111 -v 4

You will see the following message on a UART terminal when using RSA sign and verify.

Started Serial I/O interface.
 Start TLS Accept at 192.168.011.241 port(11111)
Received: hello wolfssl!
Cleaning up socket and wolfSSL objects.
Waiting connection....

You will see the following message on Linux terminal.

$ ./examples/client/client -h 192.168.11.241 -p 11111 -v 3
SSL version is TLSv1.2
SSL cipher suite is TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
SSL curve name is SECP256R1
I hear ya fa s

  • ECDSA sign and verify use, run peer client with the following option

    $./examples/client/client -h 192.168.11.241 -p 11111 -v 3 -A ./certs/ca-ecc-cert.pem -c ./certs/client-ecc-cert.pem  -k ./certs/ecc-client-key.pem

You will see the following message on a UART terminal when using ECDSA sign and verify.

Started Serial I/O interface.
 Start TLS Accept at 192.168.011.241 port(11111)
Received: hello wolfssl!
Cleaning up socket and wolfSSL objects.
Waiting connection....

You will see the following message on Linux terminal.

$ ./examples/client/client -h 192.168.11.241 -p 11111 -v 3 -A ./certs/ca-ecc-cert.pem -c ./certs/client-ecc-cert.pem  -k ./certs/ecc-client-key.pem
SSL version is TLSv1.2
SSL cipher suite is TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
SSL curve name is SECP256R1
I hear ya fa s

Run Crypt test

1.) Enable CRYPT_TEST macro in wolfssl_demo.h

2.) Run test_RZN2L from e2studio

Sample Output

------------------------------------------------------------------------------
 wolfSSL version 5.6.3
------------------------------------------------------------------------------
error    test passed!
MEMORY   test passed!
base64   test passed!
asn      test passed!
RANDOM   test passed!
MD5      test passed!
MD4      test passed!
SHA      test passed!
SHA-224  test passed!
SHA-256  test passed!
SHA-384  test passed!
SHA-512  test passed!
SHA-512/224  test passed!
SHA-512/256  test passed!
Hash     test passed!
HMAC-MD5 test passed!
HMAC-SHA test passed!
HMAC-SHA224 test passed!
HMAC-SHA256 test passed!
HMAC-SHA384 test passed!
HMAC-SHA512 test passed!
HMAC-KDF    test passed!
TLSv1.3 KDF test passed!
DES      test passed!
DES3     test passed!
AES      test passed!
AES256   test passed!
AES-GCM  test passed!
RSA      test passed!
PWDBASED test passed!
ECC      test passed!
ECC buffer test passed!
CURVE25519 test passed!
logging  test passed!
time test passed!
mutex    test passed!
crypto callback test passed!
Test complete
 End wolfCrypt Test

Note SHA1/224/256/384/512 and Random generation of RSIP driver are enabled at the sample output above while running wolfCrypt test.

Run Benchmark

1.) Enable BENCHMARK macro in wolfssl_demo.h

2.) Run test_RZN2L from e2studio

Sample Output

Started Serial I/O interface. Start wolfCrypt Benchmark
wolfCrypt Benchmark (block bytes 1024, min 1.0 sec each)
RNG                      2.0 MiB took 1.000 seconds, 2.393 MiB/s
AES-128-CBC-enc          2.0 MiB took 1.009 seconds, 2.032 MiB/s
AES-128-CBC-dec          2.0 MiB took 1.002 seconds, 2.022 MiB/s
AES-192-CBC-enc          1.1 MiB took 1.001 seconds, 1.732 MiB/s
AES-192-CBC-dec          1.1 MiB took 1.008 seconds, 1.720 MiB/s
AES-256-CBC-enc          1.1 MiB took 1.014 seconds, 1.517 MiB/s
AES-256-CBC-dec          1.1 MiB took 1.008 seconds, 1.502 MiB/s
AES-128-GCM-enc          675.0 KiB took 1.023 seconds, 659.824 KiB/s
AES-128-GCM-dec          675.0 KiB took 1.022 seconds, 660.470 KiB/s
AES-192-GCM-enc          625.0 KiB took 1.000 seconds, 625.000 KiB/s
AES-192-GCM-dec          650.0 KiB took 1.039 seconds, 625.602 KiB/s
AES-256-GCM-enc          600.0 KiB took 1.008 seconds, 595.238 KiB/s
AES-256-GCM-dec          600.0 KiB took 1.007 seconds, 595.829 KiB/s
AES-128-GCM-enc-no_AAD   675.0 KiB took 1.012 seconds, 666.996 KiB/s
AES-128-GCM-dec-no_AAD   675.0 KiB took 1.011 seconds, 667.656 KiB/s
AES-192-GCM-enc-no_AAD   650.0 KiB took 1.029 seconds, 631.681 KiB/s
AES-192-GCM-dec-no_AAD   650.0 KiB took 1.028 seconds, 632.296 KiB/s
AES-256-GCM-enc-no_AAD   625.0 KiB took 1.040 seconds, 600.962 KiB/s
AES-256-GCM-dec-no_AAD   625.0 KiB took 1.039 seconds, 601.540 KiB/s
GMAC Default             977.0 KiB took 1.000 seconds, 977.000 KiB/s
3DES                     450.0 KiB took 1.022 seconds, 440.313 KiB/s
MD5                      12.1 MiB took 1.001 seconds, 12.756 MiB/s
SHA                      21.0 MiB took 1.000 seconds, 21.240 MiB/s
SHA-224                  21.0 MiB took 1.000 seconds, 21.069 MiB/s
SHA-256                  20.1 MiB took 1.000 seconds, 20.923 MiB/s
SHA-384                  19.1 MiB took 1.000 seconds, 19.604 MiB/s
SHA-512                  19.1 MiB took 1.001 seconds, 19.561 MiB/s
SHA-512/224              19.1 MiB took 1.000 seconds, 19.873 MiB/s
SHA-512/256              19.1 MiB took 1.000 seconds, 19.751 MiB/s
HMAC-MD5                 12.0 MiB took 1.000 seconds, 12.451 MiB/s
HMAC-SHA                 19.1 MiB took 1.001 seconds, 19.512 MiB/s
HMAC-SHA224              19.0 MiB took 1.000 seconds, 19.385 MiB/s
HMAC-SHA256              19.0 MiB took 1.001 seconds, 19.219 MiB/s
HMAC-SHA384              18.0 MiB took 1.000 seconds, 18.018 MiB/s
HMAC-SHA512              17.1 MiB took 1.000 seconds, 17.944 MiB/s
PBKDF2                   224.0 bytes took 1.044 seconds, 214.559 bytes/s
RSA     2048   public        40 ops took 1.020 sec, avg 25.500 ms, 39.216 ops/sec
RSA     2048  private         2 ops took 3.196 sec, avg 1598.000 ms, 0.626 ops/sec
ECC   [      SECP256R1]   256  key gen         2 ops took 2.196 sec, avg 1097.1000 ms, 0.911 ops/sec
ECDHE [      SECP256R1]   256    agree         2 ops took 2.186 sec, avg 1093.000 ms, 0.915 ops/sec
ECDSA [      SECP256R1]   256     sign         2 ops took 2.215 sec, avg 1107.500 ms, 0.903 ops/sec
ECDSA [      SECP256R1]   256   verify         2 ops took 4.210 sec, avg 2105.000 ms, 0.475 ops/sec
CURVE  25519  key gen         3 ops took 1.255 sec, avg 418.333 ms, 2.390 ops/sec
CURVE  25519    agree         4 ops took 1.672 sec, avg 418.000 ms, 2.392 ops/sec
Benchmark complete
 End wolfCrypt Benchmark

Note SHA1/224/256/384/512 and Random generation of RSIP driver are enabled at the sample output above.

Support

For support inquiries and questions, please email support@wolfssl.com. Feel free to reach out to info@wolfssl.jp as well.