&g dZddlmZddlmZ ddlmZn #e$rdZYnwxYwegdZngdZejZejZej Z ej Z eej Z ej Z ej fdZ dS) a\Cryptography helpers for verifying and signing messages. The simplest way to verify signatures is using :func:`verify_signature`:: cert = open('certs.pem').read() valid = crypt.verify_signature(message, signature, cert) If you're going to verify many messages with the same certificate, you can use :class:`RSAVerifier`:: cert = open('certs.pem').read() verifier = crypt.RSAVerifier.from_string(cert) valid = verifier.verify(message, signature) To sign messages use :class:`RSASigner` with a private key:: private_key = open('private_key.pem').read() signer = crypt.RSASigner.from_string(private_key) signature = signer.sign(message) The code above also works for :class:`ES256Signer` and :class:`ES256Verifier`. Note that these two classes are only available if your `cryptography` dependency version is at least 1.4.0. )base)rsa)es256N) ES256Signer ES256Verifier RSASigner RSAVerifierSignerVerifier)rr r r ct|ttfr|g}|D]0}||}|||rdS1dS)aVerify an RSA or ECDSA cryptographic signature. Checks that the provided ``signature`` was generated from ``bytes`` using the private key associated with the ``cert``. Args: message (Union[str, bytes]): The plaintext message. signature (Union[str, bytes]): The cryptographic signature to check. certs (Union[Sequence, str, bytes]): The certificate or certificates to use to check the signature. verifier_cls (Optional[~google.auth.crypt.base.Signer]): Which verifier class to use for verification. This can be used to select different algorithms, such as RSA or ECDSA. Default value is :class:`RSAVerifier`. Returns: bool: True if the signature is valid, otherwise False. TF) isinstancestrbytes from_stringverify)message signaturecerts verifier_clscertverifiers L/var/www/api/venv/lib/python3.11/site-packages/google/auth/crypt/__init__.pyverify_signaturerIsj$%#u&&++D11 ??7I . . 44  5)__doc__google.auth.cryptrrr ImportError__all__r r rr rrrrrr s2#"""""!!!!!!''''''' EEE GGA@@G  = M o #K'M>A_s !!