StarMirror/py-libp2p
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Merge pull request #214 from ralexstokes/remove-third-party-key-in-id

Browse Source 
Refactor ID to not use third-party type for cryptographic keys
This commit is contained in:
Alex Stokes 2019-08-02 22:50:53 -07:00 committed by GitHub
commit 21e013e753
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 6 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
libp2p/__init__.py
View File

@ -28,9 +28,8 @@ async def cleanup_done_tasks():
def generate_id():
new_key = RSA.generate(2048, e=65537)
new_id = ID.from_pubkey(new_key.publickey())
# private_key = new_key.exportKey("PEM")
new_key = RSA.generate(2048, e=65537).publickey().export_key("DER")
new_id = ID.from_pubkey(new_key)
return new_id

27
libp2p/peer/id.py
View File

@ -5,16 +5,6 @@ import base58
import multihash
from Crypto.PublicKey.RSA import RsaKey
# MaxInlineKeyLength is the maximum length a key can be for it to be inlined in
# the peer ID.
# * When `len(pubKey.Bytes()) <= MaxInlineKeyLength`, the peer ID is the
# identity multihash hash of the public key.
# * When `len(pubKey.Bytes()) > MaxInlineKeyLength`, the peer ID is the
# sha2-256 multihash of the public key.
MAX_INLINE_KEY_LENGTH = 42
class ID:
@ -64,22 +54,11 @@ class ID:
return pid
@classmethod
def from_pubkey(cls, key: RsaKey) -> "ID":
# export into binary format
key_bin = key.exportKey("DER")
algo: int = multihash.Func.sha2_256
# TODO: seems identity is not yet supported in pymultihash
# if len(b) <= MAX_INLINE_KEY_LENGTH:
# algo multihash.func.identity
mh_digest: multihash.Multihash = multihash.digest(key_bin, algo)
def from_pubkey(cls, key: bytes) -> "ID":
algo = multihash.Func.sha2_256
mh_digest = multihash.digest(key, algo)
return cls(mh_digest.encode())
@classmethod
def from_privkey(cls, key: RsaKey) -> "ID":
return cls.from_pubkey(key.publickey())
def digest(data: Union[str, bytes]) -> bytes:
if isinstance(data, str):

9
tests/peer/test_peerid.py
View File

@ -111,13 +111,6 @@ def test_id_from_public_key():
algo = multihash.Func.sha2_256
mh_digest = multihash.digest(key_bin, algo)
expected = ID(mh_digest.encode())
actual = ID.from_pubkey(key)
actual = ID.from_pubkey(key_bin)
assert actual == expected
def test_id_from_private_key():
key = RSA.generate(2048, e=65537)
id_from_pub = ID.from_pubkey(key.publickey())
id_from_priv = ID.from_privkey(key)
assert id_from_pub == id_from_priv