7496c1c84c
Moved some source to common folder. Added uploading script which is also shared by CE CDM partners. Added README. Test: m wv_factory_extraction_tool Bug: 414642286 Change-Id: I565027b75528ab28f9f1eb8d9086c0213de992d0
49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
// Copyright 2023 Google LLC. All Rights Reserved. This file and proprietary
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// source code may only be used and distributed under the Widevine License
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// Agreement.
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#ifndef BCC_PARSER_H_
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#define BCC_PARSER_H_
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#include <cppbor.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <sstream>
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#include <string>
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#include <utility>
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#include <vector>
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namespace widevine {
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// BccParser processes a Provisioning 4.0 device root of trust. It extracts
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// relevant pieces of information and outputs to std::string.
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// Relevant documents:
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// Android definition: go/remote-provisioning-hal#bcc.
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// Google Dice Profile: go/dice-profile
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class BccParser {
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public:
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explicit BccParser() {}
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virtual ~BccParser() = default;
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BccParser(const BccParser&) = delete;
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BccParser& operator=(const BccParser&) = delete;
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// Parse and verify a client generated root of trust. This message is part of
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// an attestation model conforming to the Google Open Dice Profile. This
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// message is received from a client device to attest it is a valid Widevine
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// device.
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virtual std::string Parse(const std::vector<uint8_t>& bcc);
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private:
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// Process and print CoseKey PubKeyEd25519 / PubKeyECDSA256.
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bool ProcessDevicePublicKeyInfo(std::stringstream& ss,
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const cppbor::Map& public_key_info_map);
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// Process and print the DiceChainEntryPayload, which contains subject public
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// key.
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bool ProcessDiceChainEntryPayload(std::stringstream& ss,
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std::string& payload);
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};
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} // namespace widevine
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#endif // BCC_PARSER_H_
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