35 lines
1.4 KiB
Markdown
35 lines
1.4 KiB
Markdown
# Arduino AES CTR Example
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Open the [wolfssl_AES_CTR.ino](./wolfssl_AES_CTR.ino) file in the Arduino IDE.
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Other IDE products are also supported, such as:
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- [PlatformIO in VS Code](https://docs.platformio.org/en/latest/frameworks/arduino.html)
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- [VisualGDB](https://visualgdb.com/tutorials/arduino/)
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- [VisualMicro](https://www.visualmicro.com/)
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For examples on other platforms, see the [IDE directory](https://github.com/wolfssl/wolfssl/tree/master/IDE).
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Additional examples can be found on [wolfSSL/wolfssl-examples](https://github.com/wolfSSL/wolfssl-examples/).
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### Troubleshooting
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When encountering odd errors such as `undefined reference to ``_impure_ptr'`, such as this:
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```text
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c:/users/gojimmypi/appdata/local/arduino15/packages/esp32/tools/xtensa-esp32-elf-gcc/esp-2021r2-patch5-8.4.0/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: C:\Users\gojimmypi\AppData\Local\Temp\arduino\sketches\EAB8D79A02D1ECF107884802D893914E\libraries\wolfSSL\wolfcrypt\src\logging.c.o:(.literal.wolfssl_log+0x8): undefined reference to `_impure_ptr'
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collect2.exe: error: ld returned 1 exit status
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exit status 1
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Compilation error: exit status 1
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```
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Try cleaning the Arduino cache directories. For Windows, that's typically in:
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```text
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C:\Users\%USERNAME%\AppData\Local\Temp\arduino\sketches
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```
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Remove all other boards from other serial ports, leaving one the one being programmed.
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