mirror of
https://github.com/trezor/trezor-firmware.git
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26 lines
887 B
Bash
Executable File
26 lines
887 B
Bash
Executable File
DEVICE=$(fido2-token -L | cut -d : -f 1)
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if [ -z "$DEVICE" ] ; then
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echo "No FIDO2 token found"
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exit 1
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fi
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# taken from https://github.com/Yubico/libfido2/issues/58
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echo credential challenge | openssl sha256 -binary | base64 > cred_param
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echo relying party >> cred_param
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echo user name >> cred_param
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dd if=/dev/urandom bs=1 count=32 | base64 >> cred_param
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fido2-cred -M -h -i cred_param "$DEVICE" | fido2-cred -V -h -o cred
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# taken from https://github.com/Yubico/libfido2/issues/58
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echo assertion challenge | openssl sha256 -binary | base64 > assert_param
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echo relying party >> assert_param
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head -1 cred >> assert_param
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tail -n +2 cred > pubkey
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dd if=/dev/urandom bs=1 count=64 | base64 -w0 >> assert_param # hmac salt
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fido2-assert -G -h -i assert_param "$DEVICE" > hmac_assert
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fido2-assert -V -h -i hmac_assert pubkey es256
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tail -1 hmac_assert | base64 -d | xxd # hmac secret
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