py-libp2p/libp2p/crypto/utils.py
mhchia 3e04480d62
Raise HandshakeFailure in transport
Change the exception handling flow.
Raise `SecurityUpgradeFailure` in security_multistream.
2019-08-22 22:53:48 +08:00

18 lines
646 B
Python

from .keys import PublicKey
from .pb import crypto_pb2 as protobuf
from .rsa import RSAPublicKey
from .secp256k1 import Secp256k1PublicKey
def pubkey_from_protobuf(pubkey_pb: protobuf.PublicKey) -> PublicKey:
if pubkey_pb.key_type == protobuf.RSA:
return RSAPublicKey.from_bytes(pubkey_pb.data)
# TODO: Test against secp256k1 keys
elif pubkey_pb.key_type == protobuf.Secp256k1:
return Secp256k1PublicKey.from_bytes(pubkey_pb.data)
# TODO: Support `Ed25519` and `ECDSA` in the future?
else:
raise ValueError(
f"unsupported key_type={pubkey_pb.key_type}, data={pubkey_pb.data!r}"
)