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41a6f51c13823eeff83703665a6453bdd77f2594
android/fuzzer/README.md
kunal rai 41a6f51c13 Added system_id_extractor_fuzzer 
exec/s: 316
Test: ./system_id_extractor_fuzzer
Bug: 265234582

Change-Id: I9ef8d2747f875bfe287fff51edc90c862a4f4d66
2023-10-04 04:09:38 +00:00

2.5 KiB
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Fuzzers for libcdm

Table of contents

Fuzzer for PolicyEngine

PolicyEngine supports the following parameters:

  1. SigningKeyId (parameter name: "kSigningKeyId")
  2. RenewalServerUrl (parameter name: "kRenewalServerUrl")
  3. EntitlementKeyId (parameter name: "kEntitlementKeyId")
Parameter Valid Values Configured Value
kSigningKeyId String Value obtained from FuzzedDataProvider
kRenewalServerUrl String Value obtained from FuzzedDataProvider
kEntitlementKeyId String Value obtained from FuzzedDataProvider

Steps to run

  1. Build the fuzzer
  $ mm -j$(nproc) policy_engine_fuzzer
  1. Run on device
  $ adb sync data
  $ adb shell /data/fuzz/arm64/policy_engine_fuzzer/vendor/policy_engine_fuzzer

Fuzzer for ContentDecryption

ContentDecryption supports the following parameters:

  1. Cert Authority (parameter name: "certAuthority")
  2. Server Url (parameter name: "serverUrl")
  3. Service Certificate (parameter name: "serviceCertificate")
Parameter Valid Values Configured Value
certAuthority String Value obtained from FuzzedDataProvider
serverUrl String Value obtained from FuzzedDataProvider
serviceCertificate String Value obtained from FuzzedDataProvider

Steps to run

  1. Build the fuzzer
  $ mm -j$(nproc) content_decryption_fuzzer
  1. Run on device
  $ adb sync data
  $ adb shell /data/fuzz/arm64/content_decryption_fuzzer/vendor/content_decryption_fuzzer

Fuzzer for SystemIdExtractor

SystemIdExtractor supports the following parameters:

  1. OEM Cert (parameter name: "oemCert")
  2. Key Data (parameter name: "keyData")
  3. System Id (parameter name: "mSystemId")
Parameter Valid Values Configured Value
oemCert String Value obtained from FuzzedDataProvider
keyData String Value obtained from FuzzedDataProvider
mSystemId Integer in range 0 to 256 Value obtained from FuzzedDataProvider

Steps to run

  1. Build the fuzzer
  $ mm -j$(nproc) system_id_extractor_fuzzer
  1. Run on device
  $ adb sync data
  $ adb shell /data/fuzz/arm64/system_id_extractor_fuzzer/vendor/system_id_extractor_fuzzer