NXP Semiconductors is a leading manufacturer of semiconductors for the automotive and mobile-phone market and for security products for bank cards, health-insurance cards and identity documents issued by local authorities. It has been the main supplier of the security microcontroller used in new German identity cards ever since 2010. The company developed a special security chip based on its own SmartMX technology especially for this purpose. The chip was tested under demanding laboratory conditions with respect to a wide range of possible attack scenarios and then optimized accordingly. Today, NXP's security chip is at the heart of the thirty million or so new personal ID cards in use in Germany, forming their intelligent and highly secure electronic core.
Read more at: https://phys.org/news/2014-03-nfc-solution-identity-cards-enables.html#jCp
From the NXP white paper on SmartMX:
SmartMX also has a built-in Memory Management Unit (MMU) to support strong firewalls and enhance security levels within a multi-application set-up. All relevant cryptographic algorithms are supported with “hardened” IC blocks equipped with unique features. Cryptographic coprocessors support public key algorithms, and optimized, certified crypto libraries are available for interfacing the coprocessor.Sort of the secure element we want. Their MMU should support protected code so we can support honest accounting and thus hold the actual coins.
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