Python pem.readPemBlocksFromFile方法代码示例

# 需要导入模块: from pyasn1_modules import pem [as 别名]
# 或者: from pyasn1_modules.pem import readPemBlocksFromFile [as 别名]
def test_from_string_pkcs8_extra_bytes(self):
        key_bytes = PKCS8_KEY_BYTES
        _, pem_bytes = pem.readPemBlocksFromFile(
            six.StringIO(_helpers.from_bytes(key_bytes)),
            _python_rsa._PKCS8_MARKER)

        key_info, remaining = None, 'extra'
        decode_patch = mock.patch(
            'pyasn1.codec.der.decoder.decode',
            return_value=(key_info, remaining),
            autospec=True)

        with decode_patch as decode:
            with pytest.raises(ValueError):
                _python_rsa.RSASigner.from_string(key_bytes)
            # Verify mock was called.
            decode.assert_called_once_with(
                pem_bytes, asn1Spec=_python_rsa._PKCS8_SPEC) 

# 需要导入模块: from pyasn1_modules import pem [as 别名]
# 或者: from pyasn1_modules.pem import readPemBlocksFromFile [as 别名]
def from_string(cls, key, password='notasecret'):
        """Construct an RsaSigner instance from a string.

        Args:
            key: string, private key in PEM format.
            password: string, password for private key file. Unused for PEM
                      files.

        Returns:
            RsaSigner instance.

        Raises:
            ValueError if the key cannot be parsed as PKCS#1 or PKCS#8 in
            PEM format.
        """
        key = _from_bytes(key)  # pem expects str in Py3
        marker_id, key_bytes = pem.readPemBlocksFromFile(
            six.StringIO(key), _PKCS1_MARKER, _PKCS8_MARKER)

        if marker_id == 0:
            pkey = rsa.key.PrivateKey.load_pkcs1(key_bytes,
                                                 format='DER')
        elif marker_id == 1:
            key_info, remaining = decoder.decode(
                key_bytes, asn1Spec=_PKCS8_SPEC)
            if remaining != b'':
                raise ValueError('Unused bytes', remaining)
            pkey_info = key_info.getComponentByName('privateKey')
            pkey = rsa.key.PrivateKey.load_pkcs1(pkey_info.asOctets(),
                                                 format='DER')
        else:
            raise ValueError('No key could be detected.')

        return cls(pkey) 

# 需要导入模块: from pyasn1_modules import pem [as 别名]
# 或者: from pyasn1_modules.pem import readPemBlocksFromFile [as 别名]
def from_string(cls, key, password='notasecret'):
        """Construct an RsaSigner instance from a string.

        Args:
            key: string, private key in PEM format.
            password: string, password for private key file. Unused for PEM
                      files.

        Returns:
            RsaSigner instance.

        Raises:
            ValueError if the key cannot be parsed as PKCS#1 or PKCS#8 in
            PEM format.
        """
        key = _helpers._from_bytes(key)  # pem expects str in Py3
        marker_id, key_bytes = pem.readPemBlocksFromFile(
            six.StringIO(key), _PKCS1_MARKER, _PKCS8_MARKER)

        if marker_id == 0:
            pkey = rsa.key.PrivateKey.load_pkcs1(key_bytes,
                                                 format='DER')
        elif marker_id == 1:
            key_info, remaining = decoder.decode(
                key_bytes, asn1Spec=_PKCS8_SPEC)
            if remaining != b'':
                raise ValueError('Unused bytes', remaining)
            pkey_info = key_info.getComponentByName('privateKey')
            pkey = rsa.key.PrivateKey.load_pkcs1(pkey_info.asOctets(),
                                                 format='DER')
        else:
            raise ValueError('No key could be detected.')

        return cls(pkey) 

# 需要导入模块: from pyasn1_modules import pem [as 别名]
# 或者: from pyasn1_modules.pem import readPemBlocksFromFile [as 别名]
def test_from_string_pkcs8_extra_bytes(self):
        key_bytes = self._load_pkcs8_key_bytes()
        _, pem_bytes = pem.readPemBlocksFromFile(
            six.StringIO(_helpers._from_bytes(key_bytes)),
            _pure_python_crypt._PKCS8_MARKER)

        with mock.patch('pyasn1.codec.der.decoder.decode') as mock_decode:
            key_info, remaining = None, 'extra'
            mock_decode.return_value = (key_info, remaining)
            with self.assertRaises(ValueError):
                crypt.RsaSigner.from_string(key_bytes)
            # Verify mock was called.
            mock_decode.assert_called_once_with(
                pem_bytes, asn1Spec=_pure_python_crypt._PKCS8_SPEC) 

# 需要导入模块: from pyasn1_modules import pem [as 别名]
# 或者: from pyasn1_modules.pem import readPemBlocksFromFile [as 别名]
def from_string(cls, key, key_id=None):
        """Construct an Signer instance from a private key in PEM format.

        Args:
            key (str): Private key in PEM format.
            key_id (str): An optional key id used to identify the private key.

        Returns:
            google.auth.crypt.Signer: The constructed signer.

        Raises:
            ValueError: If the key cannot be parsed as PKCS#1 or PKCS#8 in
                PEM format.
        """
        key = _helpers.from_bytes(key)  # PEM expects str in Python 3
        marker_id, key_bytes = pem.readPemBlocksFromFile(
            six.StringIO(key), _PKCS1_MARKER, _PKCS8_MARKER)

        # Key is in pkcs1 format.
        if marker_id == 0:
            private_key = rsa.key.PrivateKey.load_pkcs1(
                key_bytes, format='DER')
        # Key is in pkcs8.
        elif marker_id == 1:
            key_info, remaining = decoder.decode(
                key_bytes, asn1Spec=_PKCS8_SPEC)
            if remaining != b'':
                raise ValueError('Unused bytes', remaining)
            private_key_info = key_info.getComponentByName('privateKey')
            private_key = rsa.key.PrivateKey.load_pkcs1(
                private_key_info.asOctets(), format='DER')
        else:
            raise ValueError('No key could be detected.')

        return cls(private_key, key_id=key_id)