Bitmessage/PyBitmessage-2024-11-30
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Define __all__ in highlevelcrypto and make all literals bytes

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This commit is contained in:
Dmitri Bogomolov 2021-07-21 18:32:33 +03:00
parent ddb366b477
commit c1ea75c7a3
Signed by untrusted user: g1itch
GPG Key ID: 720A756F18DEED13
1 changed files with 9 additions and 4 deletions
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13
src/highlevelcrypto.py
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@ -10,17 +10,22 @@ High level cryptographic functions based on `.pyelliptic` OpenSSL bindings.
from binascii import hexlify
import pyelliptic
from bmconfigparser import BMConfigParser
from pyelliptic import OpenSSL
from pyelliptic import arithmetic as a
from bmconfigparser import BMConfigParser
__all__ = ['encrypt', 'makeCryptor', 'pointMult', 'privToPub', 'sign', 'verify']
def makeCryptor(privkey):
"""Return a private `.pyelliptic.ECC` instance"""
private_key = a.changebase(privkey, 16, 256, minlen=32)
public_key = pointMult(private_key)
privkey_bin = '\x02\xca\x00\x20' + private_key
pubkey_bin = '\x02\xca\x00\x20' + public_key[1:-32] + '\x00\x20' + public_key[-32:]
privkey_bin = b'\x02\xca\x00\x20' + private_key
pubkey_bin = (
b'\x02\xca\x00\x20' + public_key[1:-32] + b'\x00\x20' + public_key[-32:]
)
cryptor = pyelliptic.ECC(
curve='secp256k1', privkey=privkey_bin, pubkey=pubkey_bin)
return cryptor
@ -29,7 +34,7 @@ def makeCryptor(privkey):
def hexToPubkey(pubkey):
"""Convert a pubkey from hex to binary"""
pubkey_raw = a.changebase(pubkey[2:], 16, 256, minlen=64)
pubkey_bin = '\x02\xca\x00 ' + pubkey_raw[:32] + '\x00 ' + pubkey_raw[32:]
pubkey_bin = b'\x02\xca\x00 ' + pubkey_raw[:32] + b'\x00 ' + pubkey_raw[32:]
return pubkey_bin