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Key derivation - code cleanup

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mDuo13
2019-10-09 19:58:21 -07:00
parent 1815326542
commit 28f12b4f25
1 changed files with 1 additions and 5 deletions
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6
content/_code-samples/key-derivation/key-derivation.py
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@@ -16,9 +16,6 @@ elif sys.version_info.minor < 6:
else: else:
from secrets import randbits from secrets import randbits
# import cryptography.hazmat.primitives.asymmetric.ec as ecc
# import cryptography.hazmat.backends.default_backend as default_backend
from fastecdsa import keys, curve from fastecdsa import keys, curve
import ed25519 import ed25519
@@ -166,14 +163,13 @@ class Seed:
""" """
root_pri_i = secp256k1_private_key_from(self.bytes) root_pri_i = secp256k1_private_key_from(self.bytes)
# root_pk_i.to_bytes(32, byteorder="big", signed=False)
root_pub_point = keys.get_public_key(root_pri_i, curve.secp256k1) root_pub_point = keys.get_public_key(root_pri_i, curve.secp256k1)
root_pub_b = compress_secp256k1_public(root_pub_point) root_pub_b = compress_secp256k1_public(root_pub_point)
fam_b = bytes(4) # Account families are unused; just 4 bytes of zeroes fam_b = bytes(4) # Account families are unused; just 4 bytes of zeroes
inter_pk_i = secp256k1_private_key_from(root_pub_b+fam_b) inter_pk_i = secp256k1_private_key_from(root_pub_b+fam_b)
inter_pub_point = keys.get_public_key(inter_pk_i, curve.secp256k1) inter_pub_point = keys.get_public_key(inter_pk_i, curve.secp256k1)
# Private keys are just ints, so just add them mod the secp256k1 modulus # Private keys are ints, so just add them mod the secp256k1 modulus
master_pri_i = (root_pri_i + inter_pk_i) % SECP_MODULUS master_pri_i = (root_pri_i + inter_pk_i) % SECP_MODULUS
# Public keys are points, so the fastecdsa lib handles adding them # Public keys are points, so the fastecdsa lib handles adding them
master_pub_point = root_pub_point + inter_pub_point master_pub_point = root_pub_point + inter_pub_point