公开(公告)号：US20100281316A1

公开(公告)日：2010-11-04

申请号：US12765476

申请日：2010-04-22

申请人： Yoshikazu MIYATO ,  Masafumi KUSAKAWA

发明人： Yoshikazu MIYATO ,  Masafumi KUSAKAWA

IPC分类号： G01R31/3177 ,  G06F11/25

CPC分类号： G01R31/318536 ,  G11C29/48 ,  G11C2029/3202

摘要： A semiconductor integrated circuit includes a scan chain configured to serve as a connection path used for testing the semiconductor integrated circuit and connect a plurality of flip-flops and an interleave circuit provided at an output portion of the scan chain. The interleave circuit includes a plurality of branches including different numbers of stages of storage elements, a selector configured to select one of the plurality of branches serving as an input/output branch that performs input of data from the scan chain and output of data from the interleave circuit, and a selector controller configured to execute a process of switching among the plurality of branches to select the input/output branch at every predetermined timing.

摘要翻译： 半导体集成电路包括扫描链，其被配置为用作测试半导体集成电路并连接多个触发器的连接路径和设置在扫描链的输出部分处的交错电路。 交错电路包括多个分支，包括不同级别的存储元件，选择器被配置为选择用作输入/输出分支的多个分支之一，该分支执行来自扫描链的数据输入并从 交错电路，以及选择器控制器，被配置为执行在所述多个分支之间切换的处理，以在每个预定定时选择所述输入/输出分支。

公开(公告)号：US20100262830A1

公开(公告)日：2010-10-14

申请号：US12751838

申请日：2010-03-31

申请人： Masafumi KUSAKAWA ,  Yoshikazu MIYATO

发明人： Masafumi KUSAKAWA ,  Yoshikazu MIYATO

IPC分类号： H04L9/32

CPC分类号： G06F21/77

摘要： Provided is an authentication device which includes a register in which a first-bit or a second-bit different from the first-bit is stored, m first determination units for determining whether input information and authentication information match, and for storing the first-bit in the register if a result of the determination is TRUE and for storing the second-bit in the register if FALSE, (N−m) second determination units for determining whether input information and authentication information do not match, and for storing the first-bit in the register if a result of the determination is TRUE and for storing the second-bit in the register if FALSE, and an authentication determination unit for determining that an authentication is established, in case the first-bit is stored in the register by a determination process by every first determination unit and the second-bit is stored in the register by a determination process by every second determination unit.

摘要翻译： 提供了一种认证装置，其包括其中存储与第一比特不同的第一比特或第二比特的寄存器，m个用于确定输入信息和认证信息是否匹配的第一确定单元，以及用于存储第一比特 在所述寄存器中，如果所述确定的结果为真，并且如果用于确定输入信息和认证信息不匹配的FALSE，（N-m）个第二确定单元，并且用于存储所述第一位， 如果确定的结果为真，并且如果FALSE存储在寄存器中的第二位，则存储在寄存器中，以及用于确定认证被建立的认证确定单元，在第一位被存储在寄存器中的情况下 每个第一确定单元和第二位的确定处理通过每个第二确定单元的确定处理被存储在寄存器中。

公开(公告)号：US20090208005A1

公开(公告)日：2009-08-20

申请号：US12329673

申请日：2008-12-08

申请人： Masafumi KUSAKAWA ,  Seiichi Matsuda ,  Tomoyuki Asano ,  Harunaga Hiwatari

发明人： Masafumi KUSAKAWA ,  Seiichi Matsuda ,  Tomoyuki Asano ,  Harunaga Hiwatari

IPC分类号： H04L9/06 ,  H04L9/30 ,  H04L9/32

CPC分类号： H04L9/3073 ,  H04L9/3247 ,  H04L2209/601

摘要： A key generating device according to an embodiment of the present invention includes: a parameter determining unit that randomly determines a plurality of parameters that are needed when generating a secret key and a public key; a bilinear group selecting unit that selects a plurality of bilinear groups and bilinear mapping on the basis of the plurality of parameters; and a key generating unit that generates the secret key and the public key on the basis of the parameters and the plurality of bilinear groups.

摘要翻译： 根据本发明实施例的密钥生成装置包括：参数确定单元，其随机地确定在生成秘密密钥和公开密钥时所需的多个参数; 双线性组选择单元，其基于所述多个参数选择多个双线性组和双线性映射; 以及密钥生成单元，其基于所述参数和所述多个双线性组来生成所述秘密密钥和所述公开密钥。