Abstract: A data processing method applied to a rich execution environment (REE) and a trusted execution environment (TEE) is disclosed. The REE executes a client application (CA) and the TEE executes a trusted application (TA). The data processing method includes: allocating a storage space in a first storage space in the TEE in response to a request from the CA; sending address information indicating an address of the storage space to the CA; storing the address information in a second storage unit of the REE; obtaining the address information from the second storage unit and sending the address information and verification information to the TA; and generating a key according to the verification information, and storing the key to the storage space in the first storage unit according to the address information.

Abstract: A multipurpose lamp device includes a casing having equiangularly spaced longitudinal grooves at the periphery, handle means or tubular lamp means detachably fastened to the longitudinal grooves on the casing, a lamp holder fastened to the casing at one end, the lamp holder having reflector means, and rotary drive means controlled to rotate the reflector means, a battery holder which provides the necessary power supply to the lamp holder, a connector which connects the battery holder to the casing, and a plurality of legs detachably fastened to respective mounting holes on the connector for supporting the lamp device on a surface.