Files
media_cas_client/oemcrypto/test/fuzz_tests/oemcrypto_fuzz_helper.h

74 lines
2.0 KiB
C++

// Copyright 2020 Google LLC. All Rights Reserved. This file and proprietary
// source code may only be used and distributed under the Widevine Master
// License Agreement.
#ifndef OEMCRYPTO_FUZZ_HELPER_H_
#define OEMCRYPTO_FUZZ_HELPER_H_
#include <vector>
#include "OEMCryptoCAS.h"
#include "oec_device_features.h"
#include "oec_session_util.h"
#include "oemcrypto_corpus_generator_helper.h"
#include "oemcrypto_session_tests_helper.h"
namespace wvoec {
// Initial setup to create a valid OEMCrypto state such as initializing crypto
// firmware/hardware, installing golden key box etc. in order to fuzz
// OEMCrypto APIs.
class InitializeFuzz : public SessionUtil {
public:
InitializeFuzz() {
wvoec::global_features.Initialize();
OEMCrypto_SetSandbox(kTestSandbox, sizeof(kTestSandbox));
OEMCrypto_Initialize();
EnsureTestKeys();
}
~InitializeFuzz() { OEMCrypto_Terminate(); }
};
class OEMCryptoLicenseAPIFuzz : public InitializeFuzz {
public:
OEMCryptoLicenseAPIFuzz() : license_messages_(&session_) {
session_.open();
InstallTestRSAKey(&session_);
session_.GenerateNonce();
}
~OEMCryptoLicenseAPIFuzz() {
session_.close();
}
LicenseRoundTrip& license_messages() { return license_messages_; }
private:
Session session_;
LicenseRoundTrip license_messages_;
};
class OEMCryptoProvisioningAPIFuzz : public InitializeFuzz {
public:
OEMCryptoProvisioningAPIFuzz()
: provisioning_messages_(&session_, encoded_rsa_key_) {
// Opens a session and Generates Nonce.
provisioning_messages_.PrepareSession(keybox_);
}
~OEMCryptoProvisioningAPIFuzz() { session_.close(); }
ProvisioningRoundTrip& provisioning_messages() {
return provisioning_messages_;
}
private:
Session session_;
ProvisioningRoundTrip provisioning_messages_;
};
// Redirect printf and log statements from oemcrypto functions to a file to
// reduce noise
void RedirectStdoutToFile();
} // namespace wvoec
#endif // OEMCRYPTO_FUZZ_HELPER_H_