frostfs-sdk-python/tests/cryptography/test_sign_verify.py
ilyas585 a51ef880fe [#2] Add methods sign and verify
Signed-off-by: ilyas585 <niyazov2023@gmail.com>
2025-02-12 10:00:51 +03:00

52 lines
3.1 KiB
Python

import pytest
from tests.helpers.models import ClientCryptograpy
from tests.helpers.resources import WIF, MESSAGE_IN_BYTES
@pytest.mark.crypto
class TestSignAndVerify:
def test_sign_rfc6979_success(self, client_cryptography: ClientCryptograpy):
private_key = client_cryptography.key_extension.get_private_key_from_wif(WIF)
signature = client_cryptography.signer.sign_rfc6979(private_key, MESSAGE_IN_BYTES)
assert len(signature) == 64, f"Incorrect len of signature, Expected: 64, Actual: {len(signature)}"
assert isinstance(signature, bytes), f"Not correct type of signature, Expected bytes, Actual: {type(signature)}"
def test_sign_success(self, client_cryptography: ClientCryptograpy):
private_key = client_cryptography.key_extension.get_private_key_from_wif(WIF)
signature = client_cryptography.signer.sign(private_key, MESSAGE_IN_BYTES)
assert len(signature) == 64, f"Incorrect len of signature, Expected: 64, Actual: {len(signature)}"
assert isinstance(signature, bytes), f"Not correct type of signature, Expected bytes, Actual: {type(signature)}"
@pytest.mark.parametrize("message", [MESSAGE_IN_BYTES, b""])
def test_verify_rfc6979_success(self, client_cryptography: ClientCryptograpy, message: bytes):
private_key = client_cryptography.key_extension.get_private_key_from_wif(WIF)
public_key = client_cryptography.key_extension.get_public_key(private_key)
signature = client_cryptography.signer.sign_rfc6979(private_key, message)
assert client_cryptography.verifier.verify_rfc6979(public_key, message, signature) is True
@pytest.mark.parametrize("message", [MESSAGE_IN_BYTES, b""])
def test_verify_success(self, client_cryptography: ClientCryptograpy, message: bytes):
private_key = client_cryptography.key_extension.get_private_key_from_wif(WIF)
public_key = client_cryptography.key_extension.get_public_key(private_key)
signature = client_cryptography.signer.sign(private_key, message)
assert client_cryptography.verifier.verify(public_key, message, signature) is True
# = = = = = = = = = = = = = = = = = = = = = NEGATIVE cases = = = = = = = = = = = = = = = = = = = = =
def test_verify_empty_public_key(self, client_cryptography: ClientCryptograpy):
with pytest.raises(ValueError, match="Incorrect public key"):
client_cryptography.verifier.verify(b'', b"Test message", b"signature")
def test_verify_invalid_signature(self, client_cryptography: ClientCryptograpy):
invalid_signature = b"invalid_signature"
private_key = client_cryptography.key_extension.get_private_key_from_wif(WIF)
public_key = client_cryptography.key_extension.get_public_key(private_key)
assert not client_cryptography.verifier.verify(public_key, MESSAGE_IN_BYTES, invalid_signature), "Verified invalid signature"
def test_sign_empty_key(self, client_cryptography: ClientCryptograpy):
with pytest.raises(ValueError, match="Incorrect private key"):
client_cryptography.signer.sign(b'', MESSAGE_IN_BYTES)