摘要:
The embodiments protect an IC against Design-For-Test (DFT) or other test mode attack. Secrets in ROM or PROM are secured. One embodiment for securing information on an IC includes receiving a ROM read command, writing data from a plurality of ROM address locations to an encryption logic in response to receiving the ROM read command, and writing an encryption logic output of the encryption logic to a test control logic, the encryption logic output representing the data from the plurality of ROM address locations. Writing the data from the plurality of ROM address locations to the encryption logic may also include writing the data from the plurality of ROM address locations to a multiple input shift register (MISR) in response to the ROM read command, and writing an MISR output to the test control logic, the MISR output representing the data from the plurality of ROM address locations.
摘要:
The present disclosure discloses a method and apparatus for implementing communication of stand-alone software applications. In one aspect, a method for implementing communication of stand-along software applications comprises: establishing an instant communication connection between a first user device and a second user device by a first instant communication client on the first user device and a second instant communication client on the second user device, the first user device and the second user device being remote from each other; and communicating, by a first stand-alone software application on the first user device, with a second stand-alone software application on the second user device via the instant communication connection.
摘要:
A method for unit testing of business processes for Web services, including steps of mapping the Web service description language (WSDL) elements of a process under test and its partner processes into equivalent Object-Oriented language (OO) elements, and performing testing on the process under test based on Object-Oriented unit testing frameworks. Each Web service interface of the process under test and its partner processes is mapped into an equivalent OO interface, partner stubs are generated on basis of the OO interfaces of the partner processes, WSDL binding and service port information are defined for the generated partner stubs, test cases are formed which contain test logic describing the service invocations between the process under test and its partner processes, and the test cases are executed, wherein the partner stub and its associated mock object collectively implement the service of a corresponding partner process.
摘要:
A method and apparatus for reducing crosstalk between digital subscriber lines includes: firstly, determining a parameter of VDSL (Very-high-bit-rate Digital Subscriber Line); secondly, determining frequency range of signal to be transmitted in the line and transmitting signal in the corresponding line according to the determined frequency range. This mainly means reducing or turning off the transmitting of the signal at a high frequency band and only using low frequency band for data transmitting in the case that the line parameter exceeds the predetermined threshold, so that crosstalk to neighboring lines is reduced. The present invention can effectively overcome the crosstalk against neighboring lines during the channel discovery phase of digital subscriber line and the transfer performance of the digital subscriber line in operation can be guaranteed. The present invention is realized based on the established standard, so the present invention is simple and easy to implement.
摘要:
Aromatic and aliphatic organic thiol compounds are disclosed which can be utilized to plasticize and/or stabilize halogen-containing polymer compositions, especially poly(vinyl chloride) compositions. Compounds of the present invention are utilized in polymers normally susceptible to deterioration and color change, which typically occurs during processing of the polymer or exposure to certain environments.
摘要:
A support stand includes a base; two support rods rotatably mounted to the base; a positioning rod retained on the base, the positioning rod can remain in a bent state after being bent by itself; and a support board removably positioned above the base by the corporation of the support rods and the positioning rod.
摘要:
A portable electronic device includes a main body, a flip cover, and a hinge assembly. The flip cover is rotatably fixed on the main body via the hinge assembly. The hinge assembly includes a sensing module, a hinge mechanism, and a microcontroller. The sensing module is configured to detect control signals. The hinge mechanism is configured to control an angle between the flip cover and the main body. The microcontroller is electrically connected to the sensing module. The microcontroller receives the control signals from the sensing module, and controls the hinge mechanism to rotate to a specified angle according to the control signals. The angle between the flip cover and the main body is automatically adjusted correspondingly.
摘要:
A method and apparatus for reducing crosstalk between digital subscriber lines includes: firstly, determining a parameter of VDSL (Very-high-bit-rate Digital Subscriber Line); secondly, determining frequency range of signal to be transmitted in the line and transmitting signal in the corresponding line according to the determined frequency range. This mainly means reducing or turning off the transmitting of the signal at a high frequency band and only using low frequency band for data transmitting in the case that the line parameter exceeds the predetermined threshold, so that crosstalk to neighboring lines is reduced. The present invention can effectively overcome the crosstalk against neighboring lines during the channel discovery phase of digital subscriber line and the transfer performance of the digital subscriber line in operation can be guaranteed. The present invention is realized based on the established standard, so the present invention is simple and easy to implement.
摘要:
The embodiments protect an IC against Design-For-Test (DFT) or other test mode attack. Transitory secrets are secured whether stored in registers or latches, RAM, and/or permanent secrets stored in ROM and/or PROM. One embodiment for securing information on an IC includes entering a test mode and resetting each register in response to entering the test mode of operation and prior to receiving a test mode command. An integrated circuit embodiment includes a test control logic operative to configure the integrated circuit into a test mode and to control the integrated circuit while in the test mode, a set of registers, and a functional reset controller coupled to the test control logic and to the set of registers, operative to receive a reset command from the test control logic and provide the reset command to the set of registers in response to a command to enter the test mode.