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    • 18. 发明授权
    • Electronic data processing device
    • 电子数据处理装置
    • US07454629B2
    • 2008-11-18
    • US11003474
    • 2004-12-06
    • Peter TimmermansCarl Van HimbeeckMarc Moons
    • Peter TimmermansCarl Van HimbeeckMarc Moons
    • G06F11/30
    • G06F21/86G11C7/24G11C29/022
    • An electronic data processing device, comprising an access protected memory, provided for storing secure data and a data processing member, provided for processing said secure data, said terminal comprises a tampering detection and protection circuit provided for detecting a tamper condition and for generating a tamper signal upon detection of said tamper condition, said tampering detection and protection circuit being connected to a tampering sequencer, provided for disabling said processing member upon receipt of said tampering signal, said memory comprises a security register provided for storing keys for encrypting said secure data and a memory section provided for storing keys for encrypting said secure data and a memory section provided for temporarily storing secure data processed by said data processing member, said tampering sequencer comprises an internal clock generator provided for generating, upon receipt of said tamper signal a tamper pulse and a series of clock pulses, said tampering sequencer being provided for erasing under control of said tamper pulse, said security data stored in said security register and for erasing, under control of said series of clock pulses said processed secure data stored in said memory section.
    • 一种电子数据处理装置,包括提供用于存储安全数据的访问保护存储器和用于处理所述安全数据的数据处理部件,所述终端包括用于检测篡改状况并用于产生篡改的篡改检测和保护电路 当所述篡改条件被检测时,所述篡改检测和保护电路被连接到篡改定序器,用于在接收到所述篡改信号时禁用所述处理部件,所述存储器包括安全寄存器,用于存储用于加密所述安全数据的密钥, 用于存储用于加密所述安全数据的密钥的存储器部分和用于临时存储由所述数据处理部件处理的安全数据的存储器部分,所述篡改定序器包括内部时钟发生器,用于在接收到所述篡改信号时产生篡改脉冲 和一系列时钟脉冲 帮助篡改定序器被提供用于在所述篡改脉冲的控制下擦除,所述安全数据存储在所述安全寄存器中,并且在所述一系列时钟脉冲的控制下擦除所述存储在所述存储器部分中的所述被处理的安全数据。