kopia lustrzana https://github.com/solokeys/solo1
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# Building solo
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To build, develop and debug the firmware for the STM32L432. This will work
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To build, develop and debug the firmware for the STM32L432. This will work
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for Solo Hacker, the Nucleo development board, or your own homemade Solo.
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for Solo Hacker, the Nucleo development board, or your own homemade Solo.
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There exists a development board [NUCLEO-L432KC](https://www.st.com/en/evaluation-tools/nucleo-l432kc.html) you can use; The board does contain a debugger, so all you need is a USB cable (and some [udev](/udev) [rules](https://rust-embedded.github.io/book/intro/install/linux.html#udev-rules)).
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There exists a development board [NUCLEO-L432KC](https://www.st.com/en/evaluation-tools/nucleo-l432kc.html) you can use; The board does contain a debugger, so all you need is a USB cable (and some [udev](/udev) [rules](https://rust-embedded.github.io/book/intro/install/linux.html#udev-rules)).
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# Prerequisites
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## Prerequisites
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Install the [latest ARM compiler toolchain](https://developer.arm.com/open-source/gnu-toolchain/gnu-rm/downloads) for your system. We recommend getting the latest compilers from ARM.
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Install the [latest ARM compiler toolchain](https://developer.arm.com/open-source/gnu-toolchain/gnu-rm/downloads) for your system. We recommend getting the latest compilers from ARM.
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@ -14,11 +16,25 @@ Install `solo-python` usually with `pip3 install solo-python`. The `solo` python
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To program your build, you'll need one of the following programs.
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To program your build, you'll need one of the following programs.
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- [openocd](http://openocd.org)
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- [openocd](http://openocd.org)
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- [stlink](https://github.com/texane/stlink)
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- [stlink](https://github.com/texane/stlink)
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- [STM32CubeProg](https://www.st.com/en/development-tools/stm32cubeprog.html)
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- [STM32CubeProg](https://www.st.com/en/development-tools/stm32cubeprog.html)
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# Compilation
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## Obtain source code and solo tool
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Source code can be downloaded from:
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- [github releases list](https://github.com/solokeys/solo/releases)
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- [github repository](https://github.com/solokeys/solo)
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**solo** tool can be downloaded from:
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- from python programs [repository](https://pypi.org/project/solo-python/) `pip install solo-python`
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- from installing prerequisites `pip3 install -r tools/requirements.txt`
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- github repository: [repository](https://github.com/solokeys/solo-python)
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- installation python enviroment witn command `make venv` from root directory of source code
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## Compilation
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Enter the `stm32l4xx` target directory.
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Enter the `stm32l4xx` target directory.
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@ -82,8 +98,7 @@ make build-release-locked
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Programming `all.hex` will cause the device to permanently lock itself.
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Programming `all.hex` will cause the device to permanently lock itself.
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## Programming
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# Programming
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It's recommended to test a debug/hacker build first to make sure Solo is working as expected.
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It's recommended to test a debug/hacker build first to make sure Solo is working as expected.
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Then you can switch to a locked down build, which cannot be reprogrammed as easily (or not at all!).
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Then you can switch to a locked down build, which cannot be reprogrammed as easily (or not at all!).
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@ -97,7 +112,7 @@ pip3 install -r tools/requirements.txt
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If you're on Windows, you must also install [libusb](https://sourceforge.net/projects/libusb-win32/files/libusb-win32-releases/1.2.6.0/).
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If you're on Windows, you must also install [libusb](https://sourceforge.net/projects/libusb-win32/files/libusb-win32-releases/1.2.6.0/).
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## Pre-programmed Solo Hacker
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### Pre-programmed Solo Hacker
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If your Solo device is already programmed (it flashes green when powered), we recommend
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If your Solo device is already programmed (it flashes green when powered), we recommend
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programming it using the Solo bootloader.
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programming it using the Solo bootloader.
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@ -120,7 +135,7 @@ If something bad happens, you can always boot the Solo bootloader by doing the f
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If you hold the button for an additional 5 seconds, it will boot to the ST DFU (device firmware update).
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If you hold the button for an additional 5 seconds, it will boot to the ST DFU (device firmware update).
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Don't use the ST DFU unless you know what you're doing.
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Don't use the ST DFU unless you know what you're doing.
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## ST USB DFU
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### ST USB DFU
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If your Solo has never been programmed, it will boot the ST USB DFU. The LED is turned
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If your Solo has never been programmed, it will boot the ST USB DFU. The LED is turned
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off and it enumerates as "STM BOOTLOADER".
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off and it enumerates as "STM BOOTLOADER".
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@ -138,7 +153,7 @@ Make sure to program `all.hex`, as this contains both the bootloader and the Sol
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If all goes well, you should see a slow-flashing green light.
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If all goes well, you should see a slow-flashing green light.
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## Solo Hacker vs Solo
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### Solo Hacker vs Solo
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A Solo hacker device doesn't need to be in bootloader mode to be programmed, it will automatically switch.
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A Solo hacker device doesn't need to be in bootloader mode to be programmed, it will automatically switch.
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@ -146,7 +161,7 @@ Solo (locked) needs the button to be held down when plugged in to boot to the bo
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A locked Solo will only accept signed updates.
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A locked Solo will only accept signed updates.
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## Signed updates
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### Signed updates
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If this is not a device with a hacker build, you can only program signed updates.
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If this is not a device with a hacker build, you can only program signed updates.
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@ -164,7 +179,7 @@ solo sign /path/to/signing-key.pem /path/to/solo.hex /output-path/to/firmware.js
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If your Solo isn't locked, you can always reprogram it using a debugger connected directly
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If your Solo isn't locked, you can always reprogram it using a debugger connected directly
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to the token.
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to the token.
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# Permanently locking the device
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## Permanently locking the device
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If you plan to be using your Solo for real, you should lock it permanently. This prevents
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If you plan to be using your Solo for real, you should lock it permanently. This prevents
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someone from connecting a debugger to your token and stealing credentials.
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someone from connecting a debugger to your token and stealing credentials.
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