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In order to use this feature, GPG "modern" (v2.1) is required [1]. Also, since TREZOR protocol does not support arbitrary long fields, TREZOR firmware needs to be adapted with the following patch [2], to support signing fixed-size digests of GPG messages of arbitrary size. [1] https://gist.github.com/vt0r/a2f8c0bcb1400131ff51 [2] https://gist.github.com/romanz/b66f5df1ca8ef15641df8ea5bb09fd47
15 lines
514 B
Bash
Executable File
15 lines
514 B
Bash
Executable File
#!/bin/bash
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set -x
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CREATED=1460731897 # needed for consistent public key creation
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NAME="trezor_key" # will be used as GPG user id and public key name
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echo "Hello GPG World!" > EXAMPLE
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./signer.py $NAME --time $CREATED --public-key --file EXAMPLE --verbose
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./check.py $NAME.pub EXAMPLE.sig # pure Python verification
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# Install GPG v2.1 (modern) and verify the signature
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gpg2 --import $NAME.pub
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gpg2 --list-keys $NAME
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# gpg2 --edit-key trezor_key trust # optional: mark it as trusted
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gpg2 --verify EXAMPLE.sig
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