66820d41c5
This adds: - Requires WB_RESULT_NOT_IMPLEMENTED for masked in CE - WB_License_RemoveEntitledContentKey - WB_License_Generic* methods
53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
// Copyright 2021 Google LLC. All Rights Reserved.
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#ifndef WHITEBOX_REFERENCE_IMPL_CONTENT_KEY_H_
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#define WHITEBOX_REFERENCE_IMPL_CONTENT_KEY_H_
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#include <array>
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#include <cstdint>
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#include <string>
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#include "api/license_whitebox.h"
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#include "license_protocol.pb.h"
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namespace widevine {
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enum class KeyType {
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kInvalid,
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kContentKey,
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kEntitlementKey,
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kGenericCryptoKey,
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};
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struct InternalKey {
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// This is the status will be returned in |WB_License_QueryKeyStatus()|.
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WB_KeyStatus status = WB_KEY_STATUS_INVALID;
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KeyType type = KeyType::kInvalid;
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std::array<uint8_t, 32u> key;
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uint32_t kcb_flags = 0;
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// These are the permission flags that will be used internally to check if
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// we can use a key.
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//
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// | Valid | Masked | Decrypt
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// | | Decrypt |
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// -----------------------------------------+-------+---------+--------
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// WB_KEY_STATUS_INVALID | false | false | false
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// WB_KEY_STATUS_CONTENT_KEY_VALID | true | false | false
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// WB_KEY_STATUS_CONTENT_KEY_MASKED_DECRYPT | true | true | false
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// WB_KEY_STATUS_CONTENT_KEY_DECRYPT | true | true | true
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bool can_decrypt() const {
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return status == WB_KEY_STATUS_CONTENT_KEY_DECRYPT;
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}
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bool can_masked_decrypt() const {
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return can_decrypt() || status == WB_KEY_STATUS_CONTENT_KEY_MASKED_DECRYPT;
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}
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bool is_valid() const {
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return can_masked_decrypt() || status == WB_KEY_STATUS_CONTENT_KEY_VALID;
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}
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};
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} // namespace widevine
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#endif // WHITEBOX_REFERENCE_IMPL_CONTENT_KEY_H_
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