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Secrets transfer method, by exchange of two certifiers between two microcomputers, authenticating one another
Secrets transfer method, by exchange of two certifiers between two microcomputers, authenticating one another
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机译:秘密传输方法,通过在两台微型计算机之间交换两个验证者,彼此进行身份验证
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摘要
According to the invention, the chip card sends out a first certificate grouping together its credentials (Crc), an exponential (X), an optional message (M), these quantities being signed. The safety module checks the signature and sends back by return a second certificate containing its credentials (Crm), an exponential (Y), an optional message (M'), a cryptogram (C), these quantities being signed. A common, secret key is constituted between the card and the safety module by the exponentials and permits the card to interpret the cryptogram which is addressed to it and to act in consequence. Application to chip cards.
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