Files
media_cas_packager_sdk_source/common/vmp_checker.h
Fang Yu bc68878bdf Minimal implementation of Widevine MediaCAS ECMG.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=226515998
2018-12-21 14:25:01 -08:00

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1.5 KiB
C++

////////////////////////////////////////////////////////////////////////////////
// Copyright 2017 Google LLC.
//
// This software is licensed under the terms defined in the Widevine Master
// License Agreement. For a copy of this agreement, please contact
// widevine-licensing@google.com.
////////////////////////////////////////////////////////////////////////////////
//
// Description:
// Singleton object which validates VMP (Verified Media Pipeline) data for
// purposes of platform software verification.
#ifndef COMMON_VMP_CHECKER_H_
#define COMMON_VMP_CHECKER_H_
#include <memory>
#include <string>
#include "common/certificate_type.h"
#include "common/status.h"
namespace widevine {
class X509CA;
class VmpChecker {
public:
enum Result {
kUnverified = 0,
kVerified = 1,
kSecureStorageVerified = 2,
kTampered = 3
};
// Singleton accessor.
static VmpChecker* Instance();
// Select the type of root to use. Not thread-safe.
virtual Status SelectCertificateType(CertificateType cert_type);
// Verify VMP data and return appropriate result.
virtual Status VerifyVmpData(const std::string& vmp_data, Result* result);
// Enable/disable development code signing certificates.
void set_allow_development_vmp(bool allow) { allow_development_vmp_ = allow; }
bool allow_development_vmp() const { return allow_development_vmp_; }
private:
VmpChecker();
~VmpChecker();
std::unique_ptr<X509CA> ca_;
bool allow_development_vmp_ = false;
};
} // namespace widevine
#endif // COMMON_VMP_CHECKER_H_