The STMicroelectronics ST31 secure microcontroller family is designed to support smart card application such as banking, identification, pay TV, and transportation.

Built on the ARM® SecurCore® SC000 processor and an architecture optimized for contactless transactions, the ST31 includes MIFARE Plus® and MIFARE® DESFire® libraries and certified cryptographic libraries, multiple communication interfaces, and is compatible with the technical requirements of biometric System-on-Cards.

The ST31 platform is compliant with the highest security certifications, including Common Criteria up to EAL6+, EMVCo, and CUP.

The STPay is based on the ST31 platform and runs Java Card 3.0.4 classic and GlobalPlatform 2.2.1.

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