////////////////////////////////////////////////////////////////////////////////
// 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:
//   Helper methods for verifying VMP (Verified Media Pipeline) data.

#include "common/verified_media_pipeline.h"

#include "common/vmp_checker.h"

namespace widevine {
Status VerifyVmpData(const std::string& vmp_data,
                     PlatformVerificationStatus* platform_verification_status) {
  *platform_verification_status = PLATFORM_UNVERIFIED;
  VmpChecker::Result vmp_result;
  Status status = VmpChecker::Instance()->VerifyVmpData(vmp_data, &vmp_result);
  if (status.ok()) {
    switch (vmp_result) {
      case VmpChecker::kUnverified:
        *platform_verification_status = PLATFORM_UNVERIFIED;
        break;
      case VmpChecker::kVerified:
        *platform_verification_status = PLATFORM_SOFTWARE_VERIFIED;
        break;
      case VmpChecker::kSecureStorageVerified:
        *platform_verification_status =
            PLATFORM_SECURE_STORAGE_SOFTWARE_VERIFIED;
        break;
      case VmpChecker::kTampered:
        *platform_verification_status = PLATFORM_TAMPERED;
        break;
    }
  } else {
    *platform_verification_status = PLATFORM_TAMPERED;
  }
  return status;
}
}  // namespace widevine