Files
media_cas_packager_sdk_source/common/signer_public_key.h
2020-01-27 16:05:15 -08:00

41 lines
1.5 KiB
C++

////////////////////////////////////////////////////////////////////////////////
// Copyright 2019 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.
////////////////////////////////////////////////////////////////////////////////
#ifndef COMMON_SIGNER_PUBLIC_KEY_H_
#define COMMON_SIGNER_PUBLIC_KEY_H_
#include <string>
#include "protos/public/drm_certificate.pb.h"
namespace widevine {
// SignerPublicKey is implemented for each provisioning key type that are
// defined in video/widevine/proto/public.drm_certificate.proto.
class SignerPublicKey {
public:
SignerPublicKey() = default;
virtual ~SignerPublicKey() = default;
SignerPublicKey(const SignerPublicKey&) = delete;
SignerPublicKey& operator=(const SignerPublicKey&) = delete;
// Verify message using |signer_public_key_|.
virtual bool VerifySignature(const std::string& message,
const std::string& signature) const = 0;
// A factory method to create a SignerPublicKey. The |algorithm| is used to
// create an appropriate SignerPublicKey for the key type.
// The returned pointer is a nullptr if the key cannot be deserialized.
static std::unique_ptr<SignerPublicKey> Create(
const std::string& signer_public_key,
DrmCertificate::Algorithm algorithm);
};
} // namespace widevine
#endif // COMMON_SIGNER_PUBLIC_KEY_H_