20 lines
412 B
Python
20 lines
412 B
Python
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import base64
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import hashlib
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def onion_hostname(onion_public_key: bytes) -> str:
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p = onion_public_key[32:]
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h = hashlib.sha3_256()
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h.update(b".onion checksum")
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h.update(p)
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h.update(b"\x03")
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checksum = h.digest()
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result = bytearray(p)
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result.extend(checksum[0:2])
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result.append(0x03)
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onion = base64.b32encode(result).decode("utf-8").strip("=")
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return onion.lower()
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