gen_keys.py

from cryptography.hazmat.primitives.asymmetric.ed25519 import Ed25519PrivateKey
from cryptography.hazmat.primitives import serialization


# Generate private key
private_key = Ed25519PrivateKey.generate()

# Obtain the public key
public_key = private_key.public_key()

# Serialize the private key to PEM format
private_pem = private_key.private_bytes(
    encoding=serialization.Encoding.PEM,
    format=serialization.PrivateFormat.PKCS8,
    encryption_algorithm=serialization.NoEncryption()
)

# Serialize the public key to PEM format
public_pem = public_key.public_bytes(
    encoding=serialization.Encoding.PEM,
    format=serialization.PublicFormat.SubjectPublicKeyInfo
)

# Print the keys
print("Private Key:\n", private_pem.decode('utf-8'))
print("Public Key:\n", public_pem.decode('utf-8'))

# Save the private key to a file
with open("private_key.pem", "wb") as f:
    f.write(private_pem)

# Save the public key to a file
with open("public_key.pem", "wb") as f:
    f.write(public_pem)