Build the jar and launch it as an endpoint REST server:
git clone https://github.com/typelogic/safetynetserver
cd safetynetserver/
mvn install
java -jar target/safetynetserver-0.0.1-SNAPSHOT.jar
Test the /process endpoint with curl:
curl -d 'paste attestation string here' http://localhost:8080/process
And example output following the curl command, given a valid and verified attestation string:
{"apkCertificateDigestSha256":["EuOgsINzIFSzTDyMaeWXPIb8CyPCT0NEH0wZQ9GO7Cw="],"apkDigestSha256":"si4IzHn9Prn343FPkGkuqIY4Qzmvb5s1IowsY5+OcZA=","apkPackageName":"com.example.android.safetynetsample","basicIntegrity":true,"ctsProfileMatch":true,"evaluationType":"BASIC,HARDWARE_BACKED","nonce":"T1mupDDOCtnUCgNGfdr1V8LFyuwg2Su3U2FmZXR5IE5ldCBTYW1wbGU6IDE2Mzc5MDg2NTM0MzY=","timestampMs":1637908656371}