Move ASOP factory extraction tool to its own directory

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

libwvdrmengine/tools/factory_upload_tool/aosp/include/BccParser.h

@@ -0,0 +1,49 @@
+// Copyright 2023 Google LLC. All Rights Reserved. This file and proprietary
+// source code may only be used and distributed under the Widevine License
+// Agreement.
+
+#ifndef BCC_PARSER_H_
+#define BCC_PARSER_H_
+
+#include <cppbor.h>
+#include <stddef.h>
+#include <stdint.h>
+
+#include <sstream>
+#include <string>
+#include <utility>
+#include <vector>
+
+namespace widevine {
+
+// BccParser processes a Provisioning 4.0 device root of trust. It extracts
+// relevant pieces of information and outputs to std::string.
+// Relevant documents:
+// Android definition: go/remote-provisioning-hal#bcc.
+// Google Dice Profile: go/dice-profile
+class BccParser {
+ public:
+  explicit BccParser() {}
+  virtual ~BccParser() = default;
+  BccParser(const BccParser&) = delete;
+  BccParser& operator=(const BccParser&) = delete;
+  // Parse and verify a client generated root of trust. This message is part of
+  // an attestation model conforming to the Google Open Dice Profile. This
+  // message is received from a client device to attest it is a valid Widevine
+  // device.
+  virtual std::string Parse(const std::vector<uint8_t>& bcc);
+
+ private:
+  // Process and print CoseKey PubKeyEd25519 / PubKeyECDSA256.
+  bool ProcessDevicePublicKeyInfo(std::stringstream& ss,
+                                  const cppbor::Map& public_key_info_map);
+
+  // Process and print the DiceChainEntryPayload, which contains subject public
+  // key.
+  bool ProcessDiceChainEntryPayload(std::stringstream& ss,
+                                    std::string& payload);
+};
+
+}  // namespace widevine
+
+#endif  // BCC_PARSER_H_