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    • 5. 发明授权
    • Protection against attacks by generation of errors on jump instructions
    • 通过跳转指令产生错误来防范攻击
    • US08266423B2
    • 2012-09-11
    • US11665991
    • 2005-10-18
    • Christophe GiraudHugues Thiebeauld De La Crouee
    • Christophe GiraudHugues Thiebeauld De La Crouee
    • G06F21/00
    • G06F21/52G06F21/55
    • A method for securing a program against attacks by error, i.e. in a chip card, wherein at least one jump instruction, including a relative address chosen from a plurality of possible relative addresses, is identified in the program, wherein the at least one jump instruction makes it possible to reach a targeted address inside the memory area extending before and after the jump instruction and regrouping the plurality of possible relative addresses, inside the memory area, wherein an instruction to be preserved is identified and, in order to secure at least the instruction, at least one first non-operative batch including at least one instruction is inserted, the insertion being carried out in such a way as to ensure that the insertion is compatible with maintenance of the address targeted by the jump instruction inside the memory area and that the insertion is compatible with the normal running of the program.
    • 一种用于保护程序免受错误攻击的方法,即在芯片卡中,其中在程序中识别包括从多个可能的相对地址中选择的相对地址的至少一个跳转指令,其中所述至少一个跳转指令 使得可以到达在跳转指令之前和之后延伸的存储区域内的目标地址,并将存储区域内的多个可能的相对地址重新分组,其中识别要保留的指令,并且为了至少保证 插入至少包括至少一个指令的至少一个第一非操作批次,插入以确保插入与维护存储区内的跳转指令所针对的地址相一致的方式执行,以及 该插入与程序的正常运行兼容。
    • 6. 发明申请
    • Protection Against Attacks by Generation of Errors on Jump Instructions
    • 通过跳跃指令产生错误来防范攻击
    • US20070250703A1
    • 2007-10-25
    • US11665991
    • 2005-10-18
    • Christophe GiraudHugues Thiebeauld De La Crouee
    • Christophe GiraudHugues Thiebeauld De La Crouee
    • H04L9/00
    • G06F21/52G06F21/55
    • A method for securing a program against attacks by error, i.e. in a chip card, wherein at least one jump instruction, including a relative address chosen from a plurality of possible relative addresses, is identified in the program, wherein the at least one jump instruction makes it possible to reach a targeted address inside the memory area extending before and after the jump instruction and regrouping the plurality of possible relative addresses, inside the memory area, wherein an instruction to be preserved is identified and, in order to secure at least the instruction, at least one first non-operative batch including at least one instruction is inserted, the insertion being carried out in such a way as to ensure that the insertion is compatible with maintenance of the address targeted by the jump instruction inside the memory area and that the insertion is compatible with the normal running of the program.
    • 一种用于保护程序免受错误攻击的方法,即在芯片卡中,其中在程序中识别包括从多个可能的相对地址中选择的相对地址的至少一个跳转指令,其中所述至少一个跳转指令 使得可以到达在跳转指令之前和之后延伸的存储区域内的目标地址,并将存储区域内的多个可能的相对地址重新分组,其中识别要保留的指令,并且为了至少保证 插入至少包括至少一个指令的至少一个第一非操作批次,插入以确保插入与维护存储区内的跳转指令所针对的地址相一致的方式执行,以及 该插入与程序的正常运行兼容。