Masque key

example.py

import base64
from cryptography.hazmat.primitives import serialization
from cryptography.hazmat.primitives.asymmetric import ec

private_key = ec.generate_private_key(ec.SECP256R1())

private_bytes = private_key.private_bytes(
    encoding=serialization.Encoding.DER,
    format=serialization.PrivateFormat.TraditionalOpenSSL,
    encryption_algorithm=serialization.NoEncryption()
)
private_key_b64 = base64.b64encode(private_bytes).decode('utf-8')
public_key = private_key.public_key()
public_bytes = public_key.public_bytes(
    encoding=serialization.Encoding.DER,
    format=serialization.PublicFormat.SubjectPublicKeyInfo
)
public_key_b64 = base64.b64encode(public_bytes).decode('utf-8')
print("=== Private Key ===")
print(private_key_b64)
print("\n=== Public Key ===")
print(public_key_b64)