mirror of
https://github.com/trezor/trezor-firmware.git
synced 2025-01-13 08:50:56 +00:00
28 lines
905 B
Python
28 lines
905 B
Python
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async def ethereum_verify_message(ctx, msg):
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from .sign_message import message_digest
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from trezor.crypto.curve import secp256k1
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from trezor.crypto.hashlib import sha3_256
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from trezor import ui
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from trezor.messages.Success import Success
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digest = message_digest(msg.message)
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sig = bytearray([msg.signature[64]]) + msg.signature[:64]
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pubkey = secp256k1.verify_recover(sig, digest)
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if not pubkey:
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raise ValueError('Invalid signature')
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pkh = sha3_256(pubkey[1:]).digest(True)[-20:]
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if msg.address != pkh:
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raise ValueError('Invalid signature')
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ui.display.clear()
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ui.display.text(10, 30, 'Verifying message',
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ui.BOLD, ui.LIGHT_GREEN, ui.BG)
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ui.display.text(10, 60, msg.message, ui.MONO, ui.FG, ui.BG)
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ui.display.text(10, 80, msg.address, ui.MONO, ui.FG, ui.BG)
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return Success(message='Message verified')
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