From 4ba8e1d76b832d03975cb85344f37db559567538 Mon Sep 17 00:00:00 2001 From: Lev Gorodetskiy Date: Thu, 27 Jun 2024 13:08:39 -0300 Subject: [PATCH] Coincurve library experiments --- poetry.lock | 129 +++++++++++++++++++++++--------------- pyproject.toml | 3 +- src/pytezos/crypto/key.py | 26 ++++---- 3 files changed, 94 insertions(+), 64 deletions(-) diff --git a/poetry.lock b/poetry.lock index cc2da32e9..77cc8e466 100644 --- a/poetry.lock +++ b/poetry.lock @@ -120,6 +120,17 @@ types-python-dateutil = ">=2.8.10" doc = ["doc8", "sphinx (>=7.0.0)", "sphinx-autobuild", "sphinx-autodoc-typehints", "sphinx_rtd_theme (>=1.3.0)"] test = ["dateparser (==1.*)", "pre-commit", "pytest", "pytest-cov", "pytest-mock", "pytz (==2021.1)", "simplejson (==3.*)"] +[[package]] +name = "asn1crypto" +version = "1.5.1" +description = "Fast ASN.1 parser and serializer with definitions for private keys, public keys, certificates, CRL, OCSP, CMS, PKCS#3, PKCS#7, PKCS#8, PKCS#12, PKCS#5, X.509 and TSP" +optional 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"pytest-perf", "pytest-ruff (>=0.3.2)", "pytest-subprocess", "pytest-timeout", "pytest-xdist (>=3)", "tomli", "tomli-w (>=1.0.0)", "virtualenv (>=13.0.0)", "wheel"] - [[package]] name = "simple-bson" version = "0.0.3" @@ -3471,4 +3498,4 @@ test = ["big-O", "importlib-resources", "jaraco.functools", "jaraco.itertools", [metadata] lock-version = "2.0" python-versions = ">=3.8.1,<3.13" -content-hash = "c3e0ae0b3597332381839c46267ae285f0ea4979bc2c31cbc66b067b28282f65" +content-hash = "d674d295f726365f283efb656abeedd215391b8d33da031ef77f156b562da626" diff --git a/pyproject.toml b/pyproject.toml index f6392df7c..b4392d45a 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -45,6 +45,7 @@ attrs = ">=21.4.0" base58 = ">=2.1.1" cattrs = ">=22.1.0" click = ">=8.1.3" +coincurve = ">=20.0.0" cryptography = ">=42.0.4" deprecation = ">=2.1.0" docker = ">=6.0.0" @@ -58,13 +59,11 @@ py-ecc = ">=7.0.0" pysodium = ">=0.7.10" python-dateutil = ">=2.8.2" requests = ">=2.28.2" -secp256k1 = ">=0.14.0" simplejson = ">=3.17.6" strict-rfc3339 = ">=0.7" tabulate = ">=0.9.0" testcontainers = ">=3.7.0" tqdm = ">=4.62.3" -setuptools = ">=70.1.0" simple-bson = ">=0.0.3" [tool.poetry.dev-dependencies] diff --git a/src/pytezos/crypto/key.py b/src/pytezos/crypto/key.py index 4ea7be923..55dc1c6aa 100644 --- a/src/pytezos/crypto/key.py +++ b/src/pytezos/crypto/key.py @@ -43,8 +43,8 @@ def get_passphrase(passphrase: PassphraseInput = None, alias: Optional[str] = No class CryptoExtraFallback: def __getattr__(self, item): raise ImportError( - "Please, install packages libsodium-dev, libsecp256k1-dev, and libgmp-dev, " - "and Python libraries pysodium, secp256k1, and fastecdsa" + "Please, install packages libsodium-dev, and libgmp-dev, " + "and Python libraries pysodium, coincurve, and fastecdsa" ) def __call__(self, *args, **kwargs): @@ -52,16 +52,16 @@ def __call__(self, *args, **kwargs): try: + import coincurve # type: ignore import fastecdsa.curve # type: ignore import fastecdsa.ecdsa # type: ignore import fastecdsa.encoding.sec1 # type: ignore import fastecdsa.keys # type: ignore import pysodium # type: ignore - import secp256k1 # type: ignore from fastecdsa.encoding.util import bytes_to_int # type: ignore except ImportError as e: + coincurve = CryptoExtraFallback() pysodium = CryptoExtraFallback() - secp256k1 = CryptoExtraFallback() fastecdsa = CryptoExtraFallback() bytes_to_int = CryptoExtraFallback() __crypto__ = False @@ -151,8 +151,8 @@ def from_secret_exponent( public_point, secret_exponent = pysodium.crypto_sign_seed_keypair(seed=secret_exponent) # Secp256k1 elif curve == b'sp': - sk = secp256k1.PrivateKey(secret_exponent) - public_point = sk.pubkey.serialize() + sk = coincurve.PrivateKey(secret_exponent) + public_point = sk.public_key.format(compressed=True) # P256 elif curve == b'p2': pk = fastecdsa.keys.get_public_key(bytes_to_int(secret_exponent), curve=fastecdsa.curve.P256) @@ -444,8 +444,9 @@ def sign(self, message: Union[str, bytes], generic: bool = False): signature = pysodium.crypto_sign_detached(digest, self.secret_exponent) # Secp256k1 elif self.curve == b"sp": - pk = secp256k1.PrivateKey(self.secret_exponent) - signature = pk.ecdsa_serialize_compact(pk.ecdsa_sign(encoded_message, digest=blake2b_32)) + pk = coincurve.PrivateKey(self.secret_exponent) + signature = pk.sign(encoded_message, hasher=lambda x: blake2b_32(x).digest()) + # P256 elif self.curve == b"p2": r, s = fastecdsa.ecdsa.sign(msg=encoded_message, d=bytes_to_int(self.secret_exponent), hashfunc=blake2b_32) @@ -489,9 +490,12 @@ def verify(self, signature: Union[str, bytes], message: Union[str, bytes]) -> bo raise ValueError('Signature is invalid.') from exc # Secp256k1 elif self.curve == b"sp": - pk = secp256k1.PublicKey(self.public_point, raw=True) - sig = pk.ecdsa_deserialize_compact(decoded_signature) - if not pk.ecdsa_verify(encoded_message, sig, digest=blake2b_32): + pk = coincurve.PublicKey(self.public_point) + if not pk.verify( + signature=decoded_signature, + message=encoded_message, + hasher=lambda x: blake2b_32(x).digest(), + ): raise ValueError('Signature is invalid.') # P256 elif self.curve == b"p2":