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dajiaji/python_cwt_sample_eudcc_02_2.py

Last active July 12, 2021 10:50
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A simple EUDCC verifier implementation with Python CWT: verify_and_decode
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python_cwt_sample_eudcc_02_2.py
def verify_and_decode(self, eudcc: bytes) -> bytes:
if eudcc.startswith(b"HC1:"):
# Decode Base45 data.
eudcc = b45decode(eudcc[4:])
# Decompress with zlib.
eudcc = zlib.decompress(eudcc)
# Verify and decode CWT.
return cwt.decode(eudcc, keys=self._dscs)
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