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OVMS3/OVMS.V3/components/wolfssl/IDE/XilinxSDK/README.md

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Common Gotcha's

  • If compiling all code together (ie no separate wolfssl library) than the -fPIC compiler flag should be used. Without using -fPIC in this build setup there could be unexpected failures.
  • If building with ARMv8 crypto extensions then the compiler flags "-mstrict-align -mcpu=generic+crypto" must be used.
  • Check that enough stack and heap memory is set for the operations if a crash or stall happens.

Xilinx SDK wolfCrypt Vitis 2018.2 Project

To use this example project:

  1. Start a new workspace
  2. Create a new BSP called standalone_bsp_0.
  3. Copy .cproject and .project from IDE/XilinxSDK/2018_2 into the wolfSSL root.
  4. From the Xilinx SDK Import wolfBoot using "Import" -> "Existing Projects into Workspace".

Detailed Instructions For Example Use With Vitis 2019.2

  1. Create a new workspace located in the directory wolfssl/IDE/XilinxSDK/2019_2
  2. Create a new BSP, by selecting;
    • File->New->Platform Project
    • Setting "Project name" to standalone_bsp_0, then click "Next"
    • Select the "Create from hardware specification" radius and click "Next"
    • "Browse..." to the desired XSA file for the hardware
    • (optional) change Processor to R5 now
    • click "Finish"
  3. (optional) If building for TLS support than expand the standalone_bsp_0 project, double click on platform_spr, Expand the cpu (i.e psu_cortexa53_0), click on Board Support Package, select the "Modify BSP Settings..." box and click on lwip211. Note that the api_mode should be changed from RAW API to SOCKET API.
  4. Right click on the standalone_bsp_0 project and click on "Build Project"
  5. Import the wolfcrypt example project "File->Import->Eclipse workspace or zip file"
  6. Uncheck "Copy projects into workspace"
  7. Select the root directory of wolfssl/IDE/XilinxSDK/2019_2, and select wolfCrypt_example and wolfCrypt_example_system. Then click "Finish"

Steps For Creating Project From Scratch

  1. Create a new workspace
  2. Create a new BSP, by selecting;
    • File->New->Platform Project
    • Setting "Project name" to standalone_bsp_0, then click "Next"
    • Select the "Create from hardware specification" radius and click "Next"
    • "Browse..." to the desired XSA file for the hardware
    • (optional) change Processor to R5 now
    • click "Finish"
  3. (optional) If building for TLS support than expand the standalone_bsp_0 project, double click on platform_spr, Expand the cpu (i.e psu_cortexa53_0), click on Board Support Package, select the "Modify BSP Settings..." box and click on lwip211. Note that the api_mode should be changed from RAW API to SOCKET API.
  4. Right click on the standalone_bsp_0 project and click on "Build Project"
  5. Create wolfssl project File->New->Application Project
  6. Name the project wolfCrypt_example, select "Next"
  7. For the platform select standalone_bsp_0 and click next, then next once more on Domain.
  8. Select "Empty Application" and click "Finish"
  9. Expand the wolfCrypt_example project and right click on the folder "src".
  10. Select "Import Sources" and set the "From directory" to be the wolfssl root directory.
  11. Select the folders to import as ./src, ./IDE/XilinxSDK, ./wolfcrypt/benchmark, ./wolfcrypt/test, ./wolfcrypt/src
  12. (optional) Expand the Advanced table and select "Create links in workspace"
  13. Click on "Finish"
  14. Expand the wolfcrypt/src directory and exclude all .S files from the build
  15. Right click on the wolfCrypt_example project and got to Properties. Set the macro WOLFSSL_USER_SETTINGS in C/C++ Build->Settings->ARM v8 gcc compiler->Symbols
  16. Set the include path for finding user_settings.h by going to the Properties and setting it in C/C++ Build->Settings->ARM v8 gcc compiler->Directories. This is to the directory wolfssl/IDE/XilinxSDK
  17. Set the include path for finding wolfSSL headers. To the root directory wolfssl
  18. Add compiler flags "-fPIC -mstrict-align -mcpu=generic+crypto" to the project properties. C/C++ Build->Settings->ARM v8 gcc compiler->Miscellaneous
  19. Right click on wolfCrypt_example and "Build Project"

Platform

Tested on the Zynq UltraScale+ MPSoC (ZUC102).

This is a bare-metal example for wolfCrypt only with algorithm support for:

  • RNG
  • RSA
  • ECC
  • AES-GCM
  • ChaCha20
  • Poly1305
  • SHA2
  • SHA3
  • PBKDF2

Benchmark Results

------------------------------------------------------------------------------
 wolfSSL version 4.3.0
------------------------------------------------------------------------------
wolfCrypt Benchmark (block bytes 1024, min  sec each)
RNG                 72 MB took 1.000 seconds,   72.388 MB/s
AES-128-GCM-enc    370 MB took 1.000 seconds,  370.312 MB/s
AES-128-GCM-dec    187 MB took 1.000 seconds,  187.451 MB/s
AES-192-GCM-enc    341 MB took 1.000 seconds,  341.382 MB/s
AES-192-GCM-dec    180 MB took 1.000 seconds,  179.663 MB/s
AES-256-GCM-enc    316 MB took 1.000 seconds,  316.382 MB/s
AES-256-GCM-dec    172 MB took 1.000 seconds,  172.485 MB/s
CHACHA             256 MB took 1.000 seconds,  255.859 MB/s
CHA-POLY            98 MB took 1.000 seconds,   97.559 MB/s
POLY1305           517 MB took 1.000 seconds,  516.895 MB/s
SHA-256            535 MB took 1.000 seconds,  534.595 MB/s
SHA-384            123 MB took 1.000 seconds,  123.291 MB/s
SHA-512            124 MB took 1.000 seconds,  123.657 MB/s
SHA3-224            70 MB took 1.000 seconds,   70.337 MB/s
SHA3-256            67 MB took 1.000 seconds,   66.528 MB/s
SHA3-384            53 MB took 1.000 seconds,   52.710 MB/s
SHA3-512            38 MB took 1.000 seconds,   37.598 MB/s
HMAC-SHA256        520 MB took 1.000 seconds,  520.093 MB/s
HMAC-SHA384        121 MB took 1.000 seconds,  121.265 MB/s
HMAC-SHA512        121 MB took 1.000 seconds,  121.289 MB/s
PBKDF2              28 KB took 1.000 seconds,   28.375 KB/s
ECC      256 key gen      8518 ops took 1.000 sec, avg 0.117 ms, 8518.000 ops/sec
ECDHE    256 agree        1818 ops took 1.000 sec, avg 0.550 ms, 1818.000 ops/sec
ECDSA    256 sign         4448 ops took 1.000 sec, avg 0.225 ms, 4448.000 ops/sec
ECDSA    256 verify       1430 ops took 1.000 sec, avg 0.699 ms, 1430.000 ops/sec
Benchmark complete
Benchmark Test: Return code 0