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Add support for CA bundles (#885)

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Why:

- Allow CA cert bundles to be used

This change addresses the need by:

- Adding a constructor that takes a pointer to the bundle
- Setting the WiFiClientSecure to use the bundle
- Adding an example
This commit is contained in:
Moritz Ulmer
2024-06-17 12:09:37 +01:00
committed by GitHub
parent 93707d455f
commit c5e7a5eb08
13 changed files with 4232 additions and 0 deletions
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12
examples/esp32_pio/WebSocketClientSSLBundle/readme.md Normal file
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This is a PlatformIO project that uses a modified WiFiClientSecure library (in `lib`) to
implement proper SSL support using root certificates as discussed
[here](https://github.com/espressif/arduino-esp32/issues/3646#issuecomment-648292677)
It is based on the work by [meltdonw03](https://github.com/meltdown03) in that thread, and the
[BasicHttpsClient example](https://github.com/espressif/arduino-esp32/blob/1.0.4/libraries/HTTPClient/examples/BasicHttpsClient/BasicHttpsClient.ino) from the arduino-esp32 project.
Just copy `include/secrets.hpp.template` to `include/secrets.hpp` and fill in your WiFi details.
Then it should be pretty much ready to go. The local WiFiClientSecure library should take priority.
Debug is set to verbose, so you'll see a lot of noise, but there should also be this readme on success :)
To get a current CA cert bundle download it from [curl's website](https://curl.se/docs/caextract.html).