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    • 4. 发明申请
    • IC MEMORY, AS WELL AS, ACCESSING APPARATUS AND VALIDITY TESTING METHOD FOR USE OF IC MEMORY
    • IC存储器,以及使用IC存储器的访问装置和有效性测试方法
    • US20080094183A1
    • 2008-04-24
    • US11830982
    • 2007-07-31
    • Shinichiro FukushimaMasumi MoritaniHiroyuki HigakiYuichi KobayashiAtsushi Honzawa
    • Shinichiro FukushimaMasumi MoritaniHiroyuki HigakiYuichi KobayashiAtsushi Honzawa
    • H04B7/00
    • G06F21/79
    • For making difficult to copy data of a RFID tag, while enabling to detect it when copying the data, easily, but without exerting ill influences upon the existing specification thereof, within the RFID tag 100 is provided a readout exclusive bank, other than banks provided in accordance with the existing specification. RFID identification information is stored into the readout exclusive bank of the RFID tag 100, when the RFID tag 100 is shipped out of a maker. A user who wishes to guarantee properness of UII data produces cryptograph calculation result data through encrypting the RFID identification information and the UII data, when writing the UII data into the RFID tag 100, and stores the cryptograph calculation result data into a USER bank within the RFID tag 100. Other users, who wish to read out the UII data from the RFID tag 100, read out the RFID identification information and the UII data from the RFID tag 10, so as to conduct cryptography calculation thereon, and can make determination on whether the data stored in the RFID tag is proper one or not, by making a check upon coincidence between the calculation result and the calculation result data stored in the RFID tag 100.
    • 为了难以复制RFID标签的数据,虽然能够容易地复制数据时能够对其进行检测,但是对其现有规范没有不利影响,但是在RFID标签100内提供了除了提供的银行之外的读出专用银行 按照现行规范。 当RFID标签100从制造商运出时,RFID识别信息被存储到RFID标签100的读出专用库中。 希望保证UII数据的正确性的用户,当将UII数据写入RFID标签100时,通过加密RFID识别信息和UII数据来产生加密计算结果数据,并将加密计算结果数据存储在用户银行内 RFID标签100。 希望从RFID标签100读取UII数据的其他用户从RFID标签10读出RFID识别信息和UII数据,以便对其进行密码学计算,并且可以确定数据是否存储 通过对存储在RFID标签100中的计算结果和计算结果数据之间的一致性进行检查,在RFID标签中是否适当。
    • 5. 发明申请
    • RFID tag system and data processing method executed by RFID tag system
    • RFID标签系统和RFID标签系统执行的数据处理方法
    • US20070120651A1
    • 2007-05-31
    • US11442281
    • 2006-05-30
    • Yuichi KobayashiToshiyuki KuwanaAtsushi HonzawaShinichiro Fukushima
    • Yuichi KobayashiToshiyuki KuwanaAtsushi HonzawaShinichiro Fukushima
    • H04Q5/22
    • H04B5/0056H04B5/0062
    • In order to provide a highly secure system at a low cost without providing a complicated logic circuit for an RFID tag, in a system including an RFID tag (10) and a interrogator (20), the interrogator (10) is provided with a password creating unit (1100) which computes an electronic key (131) and a keyword unique to the RFID tag with a predetermined irreversible function to create a password. By using the password as a key, item information of an item attached with the RFID tag (20) is encrypted with a predetermined encryption function. The encrypted item information and the keyword are written to the RFID tag (20). The interrogator (10) reads the encrypted item information and the keyword from the RFID tag (20), causes the password creating unit (1100) to compute the password by using the keyword, and uses the password as a key to decrypt the read encrypted item information.
    • 为了以低成本提供高度安全的系统,而不需要为RFID标签提供复杂的逻辑电路,在包括RFID标签(10)和询问器(20)的系统中,询问器(10)提供密码 创建单元(1100),其计算电子密钥(131)和具有预定不可逆函数的RFID标签唯一的关键字以创建密码。 通过使用密码作为密钥,用RFID标签(20)附着的物品的项目信息用预定的加密功能加密。 加密物品信息和关键字被写入RFID标签(20)。 询问器(10)从RFID标签(20)读取加密的项目信息和关​​键词,使得密码创建单元(1100)通过使用该关键字来计算密码,并使用密码作为密钥对读取的加密 项目信息。
    • 6. 发明申请
    • Electronic tag data writing method and electronic tag read/write apparatus
    • 电子标签数据写入方法和电子标签读写装置
    • US20080224832A1
    • 2008-09-18
    • US12012146
    • 2008-01-30
    • Yoshiyuki TamukaiShinichiro FukushimaYuichi KobayashiAtsushi Honzawa
    • Yoshiyuki TamukaiShinichiro FukushimaYuichi KobayashiAtsushi Honzawa
    • H04Q5/22
    • G06K7/0008
    • In an electronic tag data read/write apparatus, an electronic tag receives a response request from a reader/writer, generates a random number in a random number generator, stores the random number in a memory, and transmits the generated random number to the reader/writer. The reader/writer conducts masking processing on write data on the basis of the random number every size of the received random number, repeats the masking processing until all of the write data are subjected to masking processing, and then transmits the masked write data to the electronic tag collectively. The electronic tag conducts deciphering processing on the received masked write data every size of the random number stored in the memory, repeats the deciphering processing until all of the masked write data are deciphered, and writes the write data into the memory.
    • 在电子标签数据读/写装置中,电子标签从读写器接收响应请求,在随机数发生器中生成随机数,将随机数存储在存储器中,并将生成的随机数发送给读取器 /作家。 读写器根据接收到的随机数的每个大小的随机数,对写入数据进行掩蔽处理,重复掩蔽处理,直到对所有写入数据进行掩蔽处理,然后将掩蔽的写入数据发送到 电子标签集体。 电子标签对存储在存储器中的随机数的每个大小对接收到的掩蔽写入数据进行解密处理,重复解密处理,直到所有掩蔽写入数据被解密,并将写入数据写入存储器。
    • 9. 发明申请
    • IC TAG SYSTEM
    • IC标签系统
    • US20100042845A1
    • 2010-02-18
    • US12524228
    • 2008-02-15
    • Yuichi KobayashiAtsushi HonzawaToshiyuki KuwanaShinichirou Fukushima
    • Yuichi KobayashiAtsushi HonzawaToshiyuki KuwanaShinichirou Fukushima
    • H04L9/32
    • G06F21/79G06F21/31G06F2221/2153H04L9/3226H04L9/3247H04L2209/80
    • An IC tag system is provided which can perform transfer of a method of accessing an IC tag and assure data validity of the IC tag only between authorized users. The IC tag system comprises a data write-in device including a password encryption unit (130), a signature generation unit (140) and a data write-in unit (150) operative to communicate with the IC tag (30) to write in data and an encrypted password in the IC tag (30) and set the limitation on access to the data written in the IC tag (30) by the aid of the password, and a data read-in device including a password decryption unit (230), a signature authentication unit (240) and a data read-in unit (250) operative to communicate with the IC tag (30) to read in the data and the encrypted password from the IC tag (30) and release the limitation on access to the data by the aid of the decrypted password.
    • 提供一种IC标签系统,其可以执行访问IC标签的方法的传送,并且仅在授权用户之间确保IC标签的数据有效性。 IC标签系统包括数据写入装置,该数据写入装置包括密码加密单元(130),签名生成单元(140)和数据写入单元(150),用于与IC标签(30)进行通信,以写入 数据和IC标签(30)中的加密密码,并通过密码设置对写在IC标签(30)中的数据的访问限制;以及数据读入装置,包括密码解密单元(230 ),签名认证单元(240)和数据读入单元(250),其操作以与IC标签(30)通信以从IC标签(30)读取数据和加密的密码,并释放限制 借助解密的密码访问数据。