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    • 23. 发明授权
    • Signal processing apparatus and method for performing modular multiplication in an electronic device, and smart card using the same
    • 用于在电子设备中执行模数乘法的信号处理装置和方法,以及使用其的智能卡
    • US08209369B2
    • 2012-06-26
    • US11849880
    • 2007-09-04
    • Kyung-Hee LeeBum-Jin ImMi-Suk Huh
    • Kyung-Hee LeeBum-Jin ImMi-Suk Huh
    • G06F7/38G06F7/00G06F15/00G06F7/52
    • G06F7/728G06F7/5332
    • Provided is an apparatus for encryption/decryption and electronic signature in a mobile communication environment. A signal processing apparatus, performing modular multiplication in an electronic device, includes a first logic for outputting a signed multiplicand by selectively performing a one's complementary operation on a multiplicand according to a Booth conversion result of a multiplier in modular multiplication; a second logic for outputting a modulus which is signed in the modular multiplication based on a carry input value Carry-in of a current clock, determined from a carry value cin for correction of a previous clock, and on a sign bit of the multiplicand; and a third logic for receiving the signed multiplicand and the signed modulus, and calculating a result value of the modular multiplication by iteratively performing a full addition operation on a carry value C and a sum value S of the full addition operation, found at the previous clock.
    • 提供了一种用于移动通信环境中的加密/解密和电子签名的装置。 一种信号处理装置,在电子设备中执行模乘,包括:第一逻辑,用于通过根据乘法器的乘法器的B乘转换结果选择性地对被乘数执行补码运算来输出有符号被乘数; 基于从用于校正前一时钟的进位值cin确定的当前时钟的进位输入值进位以及被乘数的符号位,输出在乘法中被签名的模数的第二逻辑; 以及用于接收经签名被乘数和符号模数的第三逻辑,以及通过对在前一个发现的完整加法运算的进位值C和总和值S迭代地执行全加法运算来计算乘法运算的结果值 时钟。
    • 28. 发明授权
    • Method of searching for broadcasting channel of specific program in a DMB receiving terminal
    • 在DMB接收终端中搜索特定节目的广播频道的方法
    • US07639636B2
    • 2009-12-29
    • US11330764
    • 2006-01-12
    • Young-Sik LeeHoon YooKyung-Hee Lee
    • Young-Sik LeeHoon YooKyung-Hee Lee
    • H04B7/00
    • H04H40/18H04N19/436H04N19/503
    • A method of searching for a broadcasting channel of a specific program in a digital multimedia broadcasting (DMB) receiving terminal. The method includes detecting a program number input by a user, determining whether particular bits in a header of a received transport stream (TS) packet are identical to fixed values for the particular bits in the header, if the particular bits in the header are identical to the fixed values for the particular bits in the header, determining whether particular bits in a payload of the TS packet are identical to fixed values for the particular bits in the payload, and if the particular bits in the payload are identical to the fixed values for the particular bits in the payload, determining that the TS packet has program map table (PMT) information, and analyzing the PMT information to detect a packet identifier (PID) of an audio/video packetized elementary stream (PES) constituting the specific program.
    • 一种在数字多媒体广播(DMB)接收终端中搜索特定节目的广播频道的方法。 该方法包括检测由用户输入的节目号码,如果标题中的特定比特相同,则确定接收到的传输流(TS)分组的报头中的特定比特是否与该报头中的特定比特的固定值相同 到标题中的特定比特的固定值,确定TS分组的有效载荷中的特定比特是否与有效载荷中的特定比特的固定值相同,并且如果有效载荷中的特定比特与固定值相同 对于有效负载中的特定位,确定TS分组具有节目映射表(PMT)信息,并且分析PMT信息以检测构成特定节目的音频/视频分组化基本流(PES)的分组标识符(PID) 。
    • 29. 发明申请
    • System and method of data verification
    • 数据验证的系统和方法
    • US20090022180A1
    • 2009-01-22
    • US12003708
    • 2007-12-31
    • Tymur KorkishkoKyung-Hee Lee
    • Tymur KorkishkoKyung-Hee Lee
    • H04J3/06G10L19/00
    • H04L9/12H04L1/0061H04L1/08H04L9/3236H04L63/123H04L2209/04
    • A data verification method and system is provided. The data verification method includes the steps of transmitting data from a sender to a receiver over a signaling channel, transmitting a first set of bits to the receiver over a voice channel, wherein the first set of bits is generated using the data in the sender, and verifying the data through comparison between the first set of bits and a second set of bits that is generated based on the data in the receiver. The first and the second sets of bits may be a group of bits that are selected from a hash value using a selection mask in the sender and the receiver respectively, wherein the section mask has the same length as the hash value and the hash value is calculated based on the data, and the selection mask may be pre-defined between the sender and the receiver.
    • 提供了一种数据验证方法和系统。 数据验证方法包括以下步骤:通过信令信道从发送方向接收者发送数据,通过语音信道向接收者发送第一组比特,其中使用发送方的数据生成第一组比特, 以及通过比较第一组比特和基于接收机中的数据生成的第二组比特来验证数据。 第一和第二组位可以是分别使用发送器和接收器中的选择掩码的哈希值中选择的一组比特,其中,所述片段掩码具有与所述散列值相同的长度,所述散列值是 基于数据计算,并且选择掩码可以在发送者和接收者之间预先定义。
    • 30. 发明申请
    • SIGNAL PROCESSING APPARATUS AND METHOD FOR PERFORMING MODULAR MULTIPLICATION IN AN ELECTRONIC DEVICE, AND SMART CARD USING THE SAME
    • 用于在电子设备中执行模块化多路复用的信号处理装置和方法以及使用其的智能卡
    • US20080065713A1
    • 2008-03-13
    • US11849880
    • 2007-09-04
    • Kyung-Hee LeeBum-Jin ImMi-Suk Huh
    • Kyung-Hee LeeBum-Jin ImMi-Suk Huh
    • G06F7/38
    • G06F7/728G06F7/5332
    • Provided is an apparatus for encryption/decryption and electronic signature in a mobile communication environment. A signal processing apparatus, performing modular multiplication in an electronic device, includes a first logic for outputting a signed multiplicand by selectively performing a one's complementary operation on a multiplicand according to a Booth conversion result of a multiplier in modular multiplication; a second logic for outputting a modulus which is signed in the modular multiplication based on a carry input value Carry-in of a current clock, determined from a carry value cin for correction of a previous clock, and on a sign bit of the multiplicand; and a third logic for receiving the signed multiplicand and the signed modulus, and calculating a result value of the modular multiplication by iteratively performing a full addition operation on a carry value C and a sum value S of the full addition operation, found at the previous clock.
    • 提供了一种用于移动通信环境中的加密/解密和电子签名的装置。 一种信号处理装置,在电子设备中执行模乘,包括:第一逻辑,用于通过根据乘法器的乘法器的B乘转换结果选择性地对被乘数执行补码运算来输出有符号被乘数; 基于从用于校正前一时钟的进位值cin确定的当前时钟的进位输入值进位以及被乘数的符号位,输出在乘法中被签名的模数的第二逻辑; 以及用于接收经签名被乘数和符号模数的第三逻辑,以及通过对在前一个发现的完整加法运算的进位值C和总和值S迭代地执行全加法运算来计算乘法运算的结果值 时钟。