SLE4428 Secure Memory Card is one of the most popular "Smart Memory Cards" in the world.  This chip includes an intelligent 256-Byte EEPROM with Write Protect Function and Programmable Security Code (PSC).  The chip contains an EEPROM organized 1024 x 8 bit offering the possibility of programmable write protection for each byte. Reading of the whole memory is always possible. The memory can be written and erased byte by byte. Input data and the contents of the adressed byte are compared so that only bits are written which were not written before. Erasing is only possible byte-wise, even if only one bit is to be erased, but bits may be written individually. Each byte can be write/eraseprotected individually by setting a protect bit (EEPROM → ROM). The protect bit is only one time programmable and cannot be erased.

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Infineon SLE 66CX322P Card The Target of Evaluation (TOE), the SLE66CX322P with RSA2048 chip, is a smart card IC (Security Controller) meeting the highest requirements in terms of performance and security. It is manufactured by Infineon Technologies AG in a 0,22 µm CMOS technology. The IC is intended to be used in smart cards for particularly security-relevant applications. In this security target the TOE (target of evaluation) is described and a summary specification is given. The security environment of the TOE during its different phases of the lifecycle is defined. The assets are identified which have to be protected through the security policy. The threats against these assets are described. The security objectives as the objectives of the security policy are defined as well as the security requirements. The requirements are built up of the security functional requirements as part of the security policy and the security assurance requirements as the steps during the evaluation and certification to show the TOE meets its requirements. The functionality of the TOE to meet the requirements is described.  

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