70 lines
1.1 KiB
Python
70 lines
1.1 KiB
Python
"""Cryptography primitives for Hypercore."""
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from nacl.bindings import (
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crypto_sign_keypair,
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crypto_sign_PUBLICKEYBYTES,
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crypto_sign_SECRETKEYBYTES,
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crypto_sign_seed_keypair,
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)
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# https://en.wikipedia.org/wiki/Merkle_tree#Second_preimage_attack
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LEAF_TYPE = bytearray([0])
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PARENT_TYPE = bytearray([1])
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ROOT_TYPE = bytearray([2])
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HYPERCORE = bytearray('hypercore', encoding='utf-8')
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# TODO(decentral1se): don't forget to type this
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def key_pair(seed=None):
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"""The signed public/secret key length."""
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public_key = bytearray(crypto_sign_PUBLICKEYBYTES)
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secret_key = bytearray(crypto_sign_SECRETKEYBYTES)
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if seed:
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crypto_sign_seed_keypair(public_key, secret_key, seed)
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else:
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crypto_sign_keypair(public_key, secret_key)
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return {'public-key': public_key, 'secret-key': secret_key}
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def sign():
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pass
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def verify():
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pass
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def data():
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pass
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def leaf():
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pass
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def parent():
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pass
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def tree():
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pass
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def random_bytes():
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pass
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def discovery_key():
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pass
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def encode_unsigned_int64():
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pass
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def blake2b():
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pass
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