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    • 21. 发明授权
    • Data communication device and method of a smart card
    • 智能卡的数据通信设备和方法
    • US5729004A
    • 1998-03-17
    • US537962
    • 1995-10-02
    • Jong-Chul KimSang-Joe Ra
    • Jong-Chul KimSang-Joe Ra
    • G06K17/00G06F11/10G06K19/07G06K19/06
    • G06F11/10G06K19/07
    • An input/output device of a smart card according to the present invention comprises a first register having a serial input terminal connected to a terminal serial input/output; a second register having parallel detection terminals, parallel input/output terminals connected to a data bus, and a serial input terminal connected to a serial output terminal of the first register; a third register having a parallel input terminal connected to a ground, a serial input terminal connected to a serial output terminal of the second register, and a serial output terminal connected to the terminal serial input/output; a parity generator which receives parallel output data from the parallel detection terminals of the second register, logically operates upon the parallel output data to generate an operation parity bit which is applied to a parallel input indicator terminal of the first register; and a parity detector which receives a reception parity bit from the first register and the operation parity bit from the parity generator and, in a reception mode, compares the logic states of the reception parity bit and the operation parity bit to obtain a parity detection signal indicating whether parity is correct.
    • 根据本发明的智能卡的输入/输出装置包括具有连接到终端串行输入/输出的串行输入端的第一寄存器; 具有并行检测端子的第二寄存器,连接到数据总线的并行输入/输出端子以及连接到第一寄存器的串行输出端子的串行输入端子; 具有连接到地的并行输入端子的第三寄存器,连接到第二寄存器的串行输出端子的串行输入端子和连接到端子串行输入/输出的串行输出端子; 从第二寄存器的并行检测端子接收并行输出数据的奇偶校验生成器,对并行输出数据进行逻辑运算,生成施加到第一寄存器的并行输入指示符端子的运算奇偶校验位; 以及奇偶检测器,其从第一寄存器接收接收奇偶校验位和来自奇偶校验发生器的操作奇偶校验位,并且在接收模式下,比较接收奇偶校验位和操作奇偶校验位的逻辑状态以获得奇偶校验检测信号 指示奇偶校验是否正确。
    • 30. 发明申请
    • MALICIOUS CODE BLOCKING SYSTEM
    • 恶意代码拦截系统
    • US20130312081A1
    • 2013-11-21
    • US13895803
    • 2013-05-16
    • Ki Beom SHIMMyung Kuc HWANGJong Chul KIMJong Hwa PARK
    • Ki Beom SHIMMyung Kuc HWANGJong Chul KIMJong Hwa PARK
    • H04L29/06
    • H04L63/0236H04L63/0263H04L63/1425
    • Disclosed is a malicious code blocking system including: a fake website detector that repeatedly accesses a website to be monitored to detect an attack, stores a detection log of the attacked site, and provides a URL address of the attacked site or server; a malicious URL storage that temporarily stores a URL address of the attacked site or server and stores a status flag indicating whether or not a malicious URL list containing information on malicious URLs changes; and a URL filter associated with a user terminal to monitor a network packet transmitted or received by the user terminal, check whether or not the status flag changes in a case where DNS query request for visiting a specific site is generated, and update a malicious URL list containing information on a malicious URL based on information stored in the malicious URL storage if the status flag changes.
    • 公开了一种恶意代码拦截系统,包括:伪网站检测器,重复访问要监控的网站以检测攻击,存储受攻击的站点的检测日志,并提供被攻击的站点或服务器的URL地址; 临时存储被攻击的站点或服务器的URL地址的恶意URL存储器,并且存储指示是否包含恶意URL上的信息的恶意URL列表改变的状态标志; 以及与用户终端相关联的用于监视用户终端发送或接收的网络分组的URL过滤器,在生成访问特定站点的DNS查询请求的情况下,检查状态标志是否变化,并更新恶意URL 如果状态标志改变,则基于存储在恶意URL存储器中的信息,包含关于恶意URL的信息的列表。