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    • 4. 发明授权
    • Method for protection of a chip card from unauthorized use, chip card and chip card terminal
    • 保护芯片卡免受未经授权使用的方法,芯片卡和芯片卡终端
    • US08353054B2
    • 2013-01-08
    • US12681429
    • 2008-10-20
    • Kim NguyenFrank Byszio
    • Kim NguyenFrank Byszio
    • H04L29/06G06F7/04G06F17/30G06F21/00G06F11/30G06F12/14H04N7/00
    • G06F21/77H04L9/3013H04L9/3066H04L9/3215H04L9/3226H04L2209/56H04L2209/805
    • A method for protection of a chip card from unauthorized use includes: inputting a first identification into a chip card terminal, producing a cipher of at least one first communication parameter using a first symmetric key derived from the first identification, a protected first communication channel being definable between the chip card terminal and the chip card, using the communication parameter, transmitting the cipher via a predefined communication channel from the chip card terminal to the chip card, attempting to decrypt the cipher using a second symmetric key by means of the chip card, the result of decryption only being the first communication parameter if the first symmetric key is identical to the second symmetric key so that the protected first communication channel can only be defined between the chip card terminal and the chip card if the first identification is correct.
    • 用于保护芯片卡免受未经授权的使用的方法包括:将第一标识输入芯片卡终端,使用从第一标识导出的第一对称密钥产生至少一个第一通信参数的密码,受保护的第一通信信道 在芯片卡终端和芯片卡之间可定义,使用通信参数,经由预定义的通信信道从芯片卡终端向芯片卡发送密码,尝试使用第二对称密钥通过芯片卡解密密码 如果第一对称密钥与第二对称密钥相同,则解密的结果仅仅是第一通信参数,使得如果第一标识正确,则只能在芯片卡终端和芯片卡之间定义受保护的第一通信信道。
    • 6. 发明申请
    • Method for Protection of A Chip Card From Unauthorized Use, Chip Card and Chip Card Terminal
    • 保护芯片卡未经授权的方法,芯片卡和芯片卡终端
    • US20100223479A1
    • 2010-09-02
    • US12681429
    • 2008-10-20
    • Kim NguyenFrank Byszio
    • Kim NguyenFrank Byszio
    • G06F21/00G06K19/06H04L9/14
    • G06F21/77H04L9/3013H04L9/3066H04L9/3215H04L9/3226H04L2209/56H04L2209/805
    • A method for protection of a chip card from unauthorized use includes: inputting a first identification into a chip card terminal, producing a cipher of at least one first communication parameter using a first symmetric key derived from the first identification, a protected first communication channel being definable between the chip card terminal and the chip card, using the communication parameter, transmitting the cipher via a predefined communication channel from the chip card terminal to the chip card, attempting to decrypt the cipher using a second symmetric key by means of the chip card, the result of decryption only being the first communication parameter if the first symmetric key is identical to the second symmetric key so that the protected first communication channel can only be defined between the chip card terminal and the chip card if the first identification is correct.
    • 用于保护芯片卡免受未经授权的使用的方法包括:将第一标识输入芯片卡终端,使用从第一标识导出的第一对称密钥产生至少一个第一通信参数的密码,受保护的第一通信信道 在芯片卡终端和芯片卡之间可定义,使用通信参数,经由预定义的通信信道从芯片卡终端向芯片卡发送密码,尝试使用第二对称密钥通过芯片卡解密密码 如果第一对称密钥与第二对称密钥相同,则解密的结果仅仅是第一通信参数,使得如果第一标识正确,则只能在芯片卡终端和芯片卡之间定义受保护的第一通信信道。