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port/st: added mention of the PKA support in README

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Daniele Lacamera
2021-06-28 14:39:58 +02:00
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wolfcrypt/src/port/st/README.md
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# ST Ports
Support for the STM32 L4, F1, F2, F4 and F7 on-board crypto hardware acceleration for symmetric AES (ECB/CBC/CTR/GCM) and MD5/SHA1/SHA224/SHA256.
Support for the STM32 L4, F1, F2, F4 and F7 on-board crypto hardware acceleration:
- symmetric AES (ECB/CBC/CTR/GCM)
- MD5/SHA1/SHA224/SHA256
Support for the STM32 PKA on WB55, H7 and other devices with on-board public-key acceleration:
- ECC192/ECC224/ECC256/ECC384
Support for the STSAFE-A100 crypto hardware accelerator co-processor via I2C for ECC supporting NIST or Brainpool 256-bit and 384-bit curves. It requires the ST-Safe SDK including wolf stsafe_interface.c/.h files. Please contact ST for these.
@@ -44,6 +49,19 @@ In your application you must include <wolfssl/wolfcrypt/settings.h> before any o
See our [benchmarks](https://www.wolfssl.com/docs/benchmarks/) on the wolfSSL website.
## STM32 PKA (Public Key Acceleration)
STM32 PKA is present in STM32WB55 as well as STM32H7 series.
### Building
To enable support define the following
`WOLFSSL_STM32_PKA`
### Using
When the support is enabled, the ECC operations will be accelerated using the PKA crypto co-processor.
## STSAFE-A100 ECC Acceleration