051a520776
Following example: []/video/widevine/export/provisioning_sdk/public/provisioning_status.h and []/video/widevine/export/exported_root/util/status.h ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=218918745
57 lines
2.4 KiB
C++
57 lines
2.4 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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// Copyright 2018 Google LLC.
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//
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// This software is licensed under the terms defined in the Widevine Master
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// License Agreement. For a copy of this agreement, please contact
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// widevine-licensing@google.com.
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////////////////////////////////////////////////////////////////////////////////
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// Example of how to use the wv_cas_ecm library.
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#include <iostream>
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#include <string>
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#include "media_cas_packager_sdk/public/wv_cas_ecm.h"
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#include "media_cas_packager_sdk/public/wv_cas_status.h"
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const int kContentIvSize = 16;
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const bool kKeyRotationEnabled = true;
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const int kCryptoMode = 1; // CTR
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const char kEvenKey[] = "even_content_key"; // 16 bytes
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const char kEvenContentIv8Bytes[] = "evencont"; // 8 bytes
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const char kEvenContentIv16Bytes[] = "evencontevencont"; // 16 bytes
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const char kOddKey[] = "odd_content_key."; // 16 bytes
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const char kOddContentIv8Bytes[] = "oddcont."; // 8 bytes
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const char kOddContentIv16Bytes[] = "oddcont.oddcont."; // 16 bytes
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const char kEntitlementKeyId[] = "ent_key_id......"; // 16 bytes
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const char kEntitlementKey[] = "entitlement_key................."; // 32 bytes
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int main(int argc, char **argv) {
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widevine::cas::WvCasEcm wv_cas_ecm;
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widevine::cas::WvCasStatus status =
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wv_cas_ecm.Initialize(kContentIvSize, kKeyRotationEnabled, kCryptoMode);
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if (status != widevine::cas::OK) {
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std::cerr << "Failed to initialize WV CAS ECM, error: "
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<< widevine::cas::GetWvCasStatusMessage(status)
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<< std::endl;
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}
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std::string ecm;
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status = wv_cas_ecm.GenerateEcm(kEvenKey, kEvenContentIv16Bytes, kOddKey,
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kOddContentIv16Bytes, kEntitlementKeyId,
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kEntitlementKey, &ecm);
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if (status != widevine::cas::OK) {
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std::cerr << "Failed to generate WV CAS ECM, error: "
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<< widevine::cas::GetWvCasStatusMessage(status)
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<< std::endl;
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} else {
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std::cout << "ECM size: " << ecm.size() << std::endl;
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std::cout << "ECM bytes: ";
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for (size_t i = 0; i < ecm.size(); i++) {
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printf("'\\x%x', ", static_cast<uint16_t>(ecm.at(i)));
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}
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std::cout << std::endl;
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}
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return 0;
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}
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