41 class HidlBuf : public hidl_vec<uint8_t> {
45     HidlBuf() {}  in HidlBuf()  function
46     HidlBuf(const super& other) : super(other) {}  in HidlBuf()  function
47     HidlBuf(super&& other) : super(std::move(other)) {}  in HidlBuf()  function
48     explicit HidlBuf(const std::string& other) : HidlBuf() { *this = other; }  in HidlBuf()  function
50     HidlBuf& operator=(const super& other) {
55     HidlBuf& operator=(super&& other) {
60     HidlBuf& operator=(const string& other) {
108     ErrorCode GenerateKey(const AuthorizationSet& key_desc, HidlBuf* key_blob,
113                         const string& key_material, HidlBuf* key_blob,
122     ErrorCode ExportKey(KeyFormat format, const HidlBuf& key_blob, const HidlBuf& client_id,
123                         const HidlBuf& app_data, HidlBuf* key_material);
124     ErrorCode ExportKey(KeyFormat format, HidlBuf* key_material);
126     ErrorCode DeleteKey(HidlBuf* key_blob, bool keep_key_blob = false);
131     void CheckedDeleteKey(HidlBuf* key_blob, bool keep_key_blob = false);
134     ErrorCode GetCharacteristics(const HidlBuf& key_blob, const HidlBuf& client_id,
135                                  const HidlBuf& app_data, KeyCharacteristics* key_characteristics);
136     ErrorCode GetCharacteristics(const HidlBuf& key_blob, KeyCharacteristics* key_characteristics);
138     ErrorCode Begin(KeyPurpose purpose, const HidlBuf& key_blob, const AuthorizationSet& in_params,
160     ErrorCode AttestKey(const HidlBuf& key_blob, const AuthorizationSet& attest_params,
165     string ProcessMessage(const HidlBuf& key_blob, KeyPurpose operation, const string& message,
168     string SignMessage(const HidlBuf& key_blob, const string& message,
184     void VerifyMessage(const HidlBuf& key_blob, const string& message, const string& signature,
189     string EncryptMessage(const HidlBuf& key_blob, const string& message,
196                           HidlBuf* iv_out);
198                           const HidlBuf& iv_in);
200     string DecryptMessage(const HidlBuf& key_blob, const string& ciphertext,
204                           const HidlBuf& iv);
206     std::pair<ErrorCode, HidlBuf> UpgradeKey(const HidlBuf& key_blob);
220     HidlBuf key_blob_;