EnSilica designs secure processor with Kili Technology

EnSilica, a UK-based chip designer, has collaborated with Kili Technology of Canada on the development of the Kili 3.1 FIPS 140-2 Level 3 (Federal Information Processing Standard) compliant secure processor IC.


The Kili 3.1 secure processor IC is designed to meet the stringent requirements of payment, authentication and identity applications and production devices are available now.

The IC utilises EnSilica’s 32-bit eSi-3250 soft processor core with cryptographic acceleration instructions in Kili’s patented, dual processor architecture that splits secure functionality between the processors.

“This development is another prime example of how a highly focused fabless semiconductor company can collaborate with us to help bring their ideas to silicon,” said Ian Lankshear, CEO of EnSilica.

The eSi-3250 processors integrates 1Mbyte of embedded flash, standard interconnect and peripherals required for the application such as USB, I2C, UART, SPI, smart card reader, SWP and TRNG. EnSilica also integrated an APB peripheral bus to enable the easy connection of Kili’s security IP including NFC radio and controller.

Kili 3.1 enables the implementation of the principal cryptography protocols, including RSA, AES and DES, outside the host environment, such as a PC, laptop, tablet or smartphone.

It features advanced security functions including mesh sensor; active shield protection; voltage, temperature clock and physical tamper detection; and protected battery backup of key memory with auto erase as well as encryption acceleration and EMV L1/L2 firmware for both contact and contactless applications.

Software stacks for capacitive touch and Bluetooth LE are also available.

“Licensing the eSi-3250 has provided us with real technical advantages compared to other CPU cores and outsourcing the processor sub-system development to EnSilica has helped reduce our IC development time,” said Afshin Rezayee, founder and co-president of Kili Technology.



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