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22 lines
596 B
Python
22 lines
596 B
Python
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import hashlib
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from typing import List, Set
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from .core.secp import PrivateKey, PublicKey
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# todo: extract const
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MAX_ORDER = 64
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def derive_keys(master_key: str):
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"""Deterministic derivation of keys for 2^n values."""
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return {
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2
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** i: PrivateKey(
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hashlib.sha256((str(master_key) + str(i)).encode("utf-8"))
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.hexdigest()
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.encode("utf-8")[:32],
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raw=True,
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)
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for i in range(MAX_ORDER)
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}
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def derive_pubkeys(keys: List[PrivateKey]):
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return {amt: keys[amt].pubkey for amt in [2**i for i in range(MAX_ORDER)]}
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