mirror of https://github.com/nucypher/nucypher.git
55 lines
1.4 KiB
Python
55 lines
1.4 KiB
Python
import json
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from pathlib import Path
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from nucypher_core.umbral import PublicKey, SecretKey
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DOCTOR_PUBLIC_JSON = Path("doctor.public.json")
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DOCTOR_PRIVATE_JSON = Path("doctor.private.json")
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def generate_doctor_keys():
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enc_privkey = SecretKey.random()
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sig_privkey = SecretKey.random()
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doctor_privkeys = {
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"enc": enc_privkey.to_be_bytes().hex(),
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"sig": sig_privkey.to_be_bytes().hex(),
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}
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with open(DOCTOR_PRIVATE_JSON, "w") as f:
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json.dump(doctor_privkeys, f)
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enc_pubkey = enc_privkey.public_key()
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sig_pubkey = sig_privkey.public_key()
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doctor_pubkeys = {
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"enc": enc_pubkey.to_compressed_bytes().hex(),
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"sig": sig_pubkey.to_compressed_bytes().hex(),
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}
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with open(DOCTOR_PUBLIC_JSON, "w") as f:
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json.dump(doctor_pubkeys, f)
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def _get_keys(file, public=False):
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if not file.exists():
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generate_doctor_keys()
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with open(file) as f:
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stored_keys = json.load(f)
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keys = dict()
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for key_type, key_str in stored_keys.items():
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data = bytes.fromhex(key_str)
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if public:
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key = PublicKey.from_compressed_bytes(data)
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else:
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key = SecretKey.from_be_bytes(data)
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keys[key_type] = key
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return keys
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def get_doctor_pubkeys():
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return _get_keys(DOCTOR_PUBLIC_JSON, public=True)
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def get_doctor_privkeys():
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return _get_keys(DOCTOR_PRIVATE_JSON, public=False)
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