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73 lines
2.1 KiB
Python
Executable File
73 lines
2.1 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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Name: WireGuard Cryptography Class
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Creator: K4YT3X
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Date Created: October 11, 2019
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Last Modified: January 26, 2021
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The WireGuard class implements some of wireguard-tools' cryptographic
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functions such as generating WireGuard private and public keys.
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"""
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import base64
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from cryptography.hazmat.primitives import serialization
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from cryptography.hazmat.primitives.asymmetric.x25519 import X25519PrivateKey
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class WireGuard:
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"""WireGuard Cryptography Class
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generates WireGuard public key, private key, and PSK
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"""
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@staticmethod
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def genkey() -> str:
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"""generate WireGuard private key
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Returns:
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str: X25519 private key encoded in base64 format
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"""
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return base64.b64encode(
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X25519PrivateKey.generate().private_bytes(
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encoding=serialization.Encoding.Raw,
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format=serialization.PrivateFormat.Raw,
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encryption_algorithm=serialization.NoEncryption(),
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)
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).decode()
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@staticmethod
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def pubkey(privkey: str) -> str:
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"""convert WireGuard private key into public key
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Args:
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privkey (str): WireGuard X25519 private key
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encoded in base64 format
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Returns:
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str: corresponding public key of the provided
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private key encoded as a base64 string
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"""
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return base64.b64encode(
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X25519PrivateKey.from_private_bytes(base64.b64decode(privkey.encode()))
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.public_key()
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.public_bytes(
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encoding=serialization.Encoding.Raw,
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format=serialization.PublicFormat.Raw,
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)
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).decode()
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@staticmethod
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def genpsk() -> str:
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"""generate a WireGuard PSK
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This is an alias of WireGuard.genkey since they both
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produce a random sequence of bytes. This generated
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X25519 private key can also be used as a symmetric key.
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Returns:
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str: generated PSK encoded as a base64 string
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"""
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return WireGuard.genkey()
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