作者: Choong-Hee Nam
DOI:
关键词: Interrupt 、 Signal 、 Port (circuit theory) 、 Code (cryptography) 、 Keyboard controller 、 Buffer (optical fiber) 、 Computer hardware 、 Computer science 、 Keyboard computer
摘要: Various embodiments for protecting keyboard data inputted by a user in computer having hardware are disclosed. According to one exemplary embodiment, method data, where the comprises an I/O port input buffer and output buffer, includes: receiving scan code based on user, wherein latched of port; executing interrupt routine fetch from CPU computer, remains after read buffer; transmitting control command through response signal generated command, is configured transmit port.