Update dashboard, memory, root +2 more (+3 ~5)

venv/lib/python3.12/site-packages/google/auth/crypt/rsa.py

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+# Copyright 2017 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""
+RSA cryptography signer and verifier.
+
+This file provides a shared wrapper, that defers to _python_rsa or _cryptography_rsa
+for implmentations using different third party libraries
+"""
+
+from cryptography.hazmat.primitives.asymmetric.rsa import RSAPrivateKey
+from cryptography.hazmat.primitives.asymmetric.rsa import RSAPublicKey
+
+from google.auth import _helpers
+from google.auth.crypt import _cryptography_rsa
+from google.auth.crypt import _python_rsa
+from google.auth.crypt import base
+
+RSA_KEY_MODULE_PREFIX = "rsa.key"
+
+
+class RSAVerifier(base.Verifier):
+    """Verifies RSA cryptographic signatures using public keys.
+
+    Args:
+        public_key (Union["rsa.key.PublicKey", cryptography.hazmat.primitives.asymmetric.rsa.RSAPublicKey]):
+            The public key used to verify signatures.
+    Raises:
+        ValueError: if an unrecognized public key is provided
+    """
+
+    def __init__(self, public_key):
+        module_str = public_key.__class__.__module__
+        if isinstance(public_key, RSAPublicKey):
+            impl_lib = _cryptography_rsa
+        elif module_str.startswith(RSA_KEY_MODULE_PREFIX):
+            impl_lib = _python_rsa
+        else:
+            raise ValueError(f"unrecognized public key type: {type(public_key)}")
+        self._impl = impl_lib.RSAVerifier(public_key)
+
+    @_helpers.copy_docstring(base.Verifier)
+    def verify(self, message, signature):
+        return self._impl.verify(message, signature)
+
+    @classmethod
+    def from_string(cls, public_key):
+        """Construct a Verifier instance from a public key or public
+        certificate string.
+
+        Args:
+            public_key (Union[str, bytes]): The public key in PEM format or the
+                x509 public key certificate.
+
+        Returns:
+            google.auth.crypt.Verifier: The constructed verifier.
+
+        Raises:
+            ValueError: If the public_key can't be parsed.
+        """
+        instance = cls.__new__(cls)
+        instance._impl = _cryptography_rsa.RSAVerifier.from_string(public_key)
+        return instance
+
+
+class RSASigner(base.Signer, base.FromServiceAccountMixin):
+    """Signs messages with an RSA private key.
+
+    Args:
+        private_key (Union["rsa.key.PrivateKey", cryptography.hazmat.primitives.asymmetric.rsa.RSAPrivateKey]):
+            The private key to sign with.
+        key_id (str): Optional key ID used to identify this private key. This
+            can be useful to associate the private key with its associated
+            public key or certificate.
+
+    Raises:
+        ValueError: if an unrecognized public key is provided
+    """
+
+    def __init__(self, private_key, key_id=None):
+        module_str = private_key.__class__.__module__
+        if isinstance(private_key, RSAPrivateKey):
+            impl_lib = _cryptography_rsa
+        elif module_str.startswith(RSA_KEY_MODULE_PREFIX):
+            impl_lib = _python_rsa
+        else:
+            raise ValueError(f"unrecognized private key type: {type(private_key)}")
+        self._impl = impl_lib.RSASigner(private_key, key_id=key_id)
+
+    @property  # type: ignore
+    @_helpers.copy_docstring(base.Signer)
+    def key_id(self):
+        return self._impl.key_id
+
+    @_helpers.copy_docstring(base.Signer)
+    def sign(self, message):
+        return self._impl.sign(message)
+
+    @classmethod
+    def from_string(cls, key, key_id=None):
+        """Construct a 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.
+        """
+        instance = cls.__new__(cls)
+        instance._impl = _cryptography_rsa.RSASigner.from_string(key, key_id=key_id)
+        return instance