32 lines
1.7 KiB
Markdown
32 lines
1.7 KiB
Markdown
# TREZOR Firmware
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[](https://travis-ci.org/trezor/trezor-mcu) [](https://gitter.im/trezor/community)
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https://trezor.io/
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## How to build TREZOR firmware?
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1. <a href="https://docs.docker.com/engine/installation/">Install Docker</a>
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2. `git clone https://github.com/trezor/trezor-mcu.git`
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3. `cd trezor-mcu`
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4. `./build-firmware.sh TAG` (where TAG is v1.5.0 for example, if left blank the script builds latest commit in master branch)
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This creates file `build/trezor-TAG.bin` and prints its fingerprint and size at the end of the build log.
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## How to build TREZOR bootloader?
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1. <a href="https://docs.docker.com/engine/installation/">Install Docker</a>
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2. `git clone https://github.com/trezor/trezor-mcu.git`
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3. `cd trezor-mcu`
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4. `./build-bootloader.sh TAG` (where TAG is bl1.3.2 for example, if left blank the script builds latest commit in master branch)
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This creates file `build/bootloader-TAG.bin` and prints its fingerprint and size at the end of the build log.
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## How to get fingerprint of firmware signed and distributed by SatoshiLabs?
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1. Pick version of firmware binary listed on https://wallet.trezor.io/data/firmware/releases.json
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2. Download it: `wget -O trezor.signed.bin https://wallet.trezor.io/data/firmware/trezor-1.3.6.bin`
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3. Compute fingerprint: `tail -c +257 trezor.signed.bin | sha256sum`
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Step 3 should produce the same sha256 fingerprint like your local build (for the same version tag). Firmware has a special header (of length 256 bytes) holding signatures themselves, which must be avoided while calculating the fingerprint, that's why tail command has to be used.
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