Verify JWS-attestations from Google's SafetyNet.
Project description
pySafetyNet-Attestation
A package for verifying JWS-attestations from Google's SafetyNet.
Introduction
This package verifies SafetyNet attestations by following the steps described on the page. It allows you to specify what parts of the JWS-body you wish to verify, but will always atleast verify the certificate and validity of the JWS.
Usage
Online verification
from safetynet_attestation import Attestation
jws_token = "..."
api_key = "..."
attestation = Attestation(jws_token)
attestation.verify_online(api_key)
verify_online
takes the following optional parameters:
url="<standard url>"
- If you for some reason wish to validate against some other url.
<standard url>
can be found at Google's SafetyNet documentation.
Offline verification
from safetynet_attestation import Attestation
jws_token = "..."
attestation = Attestation(jws_token)
attestation.verify_offline()
verify_offline
takes the following optional parameters:
-
apkPackageName=None
-
nonce=None
-
apkDigestSha256=None
str
of hex-values.
-
apkCertificateDigestSha256=None
- Can be
list
ofstr
orstr
.
- Can be
-
check_basicIntegrity=True
-
check_ctsProfileMatch=True
-
hostname="attest.android.com"
- Used for TLS validation of the certificate. Only modify if you know what you are doing.
A full explanation of the parameters above can be found at Google's SafetyNet documentation
Once a token has been verified, the following fields can be used:
-
header
- A
dict
of the token's header.
- A
-
body
- A
dict
of the token's body.
- A
-
certificates
- A
list
of base64-decoded certificates present in theheader
.
- A
-
public_key_pem
- The public key of the certificate.
Project details
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