40 static void zeroize_vector(std::vector<uint8_t>& vec) {  in zeroize_vector()
46                                            const std::string& func_name) {  in logKeystore2ExceptionIfPresent()
88                             std::string* key) {  in generateKey()
91       .alias = std::nullopt,  in generateKey()
93       .blob = std::nullopt,  in generateKey()
97       in_key, std::nullopt, inParams.vector_data(), 0, {}, &keyMetadata);  in generateKey()
101   if (keyMetadata.key.blob == std::nullopt) {  in generateKey()
107         std::string(keyMetadata.key.blob->begin(), keyMetadata.key.blob->end());  in generateKey()
114                           const std::string& key, std::string* outKeyBlob) {  in importKey()
117       .alias = std::nullopt,  in importKey()
119       .blob = std::nullopt,  in importKey()
121   std::vector<uint8_t> key_vec(key.begin(), key.end());  in importKey()
124       key_desc, std::nullopt, inParams.vector_data(), 0, key_vec, &keyMetadata);  in importKey()
128   if (keyMetadata.key.blob == std::nullopt) {  in importKey()
135         std::string(keyMetadata.key.blob->begin(), keyMetadata.key.blob->end());  in importKey()
140 bool Keymaster::exportKey(const std::string& kmKey, std::string* key) {  in exportKey()
144       .alias = std::nullopt,  in exportKey()
148       std::make_optional<std::vector<uint8_t>>(kmKey.begin(), kmKey.end());  in exportKey()
155     *key = std::string(ephemeral_key_response.ephemeralKey.begin(),  in exportKey()