def pk_sign(message: bytes, private_key: rsa.RSAPrivateKey) -> bytes:
"""
Sign a message using RSASSA-PSS.
"""
signer = private_key.signer(padding.PSS(padding.MGF1(hashes.SHA256()),
padding.PSS.MAX_LENGTH),
hashes.SHA256())
signer.update(message)
return signer.finalize()
def pk_sign(message: bytes, private_key: rsa.RSAPrivateKey) -> bytes:
"""
Sign a message using RSASSA-PSS.
"""
signer = private_key.signer(
padding.PSS(padding.MGF1(hashes.SHA256()), padding.PSS.MAX_LENGTH),
hashes.SHA256())
signer.update(message)
return signer.finalize()
async def sign_dictionary(
private_key: rsa.RSAPrivateKey,
dictionary: Dict[str, Any],
) -> bytes:
"""
Takes a dict and returns a rsa signature of the hash of the dict
:param private_key: RSA private_key
:param dictionary: the dictionary to sign
:return: signature of the dictionary
"""
signature_interface = private_key.signer(
padding.PSS(
mgf=padding.MGF1(hashes.SHA256()),
salt_length=padding.PSS.MAX_LENGTH,
),
hashes.SHA256(),
)
signature_interface.update(await hash(bencode.encode(dictionary)))
return signature_interface.finalize()
