• MIKROE Secure 6 Click - DEV-19640
  • MIKROE Secure 6 Click - DEV-19640
  • MIKROE Secure 6 Click - DEV-19640

MIKROE Secure 6 Click

Item #: DEV-19640
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    Secure 6 Click includes the ATSHA204A, a secure CryptoAuthentication™ device from Microchip, which is equipped with an EEPROM array which can be used for storing of up to 16 keys, certificates, consumption logging, security configurations and other types of secure data. The ATSHA204A equipped on this Click board™, supports the SWI interface with a flexible command set, that allows use in various security applications, including Network/IoT Node Endpoint Security, Secure Boot, Small Message Encryption, Key Generation for Software Download, Ecosystem control, Anti Counterfeiting and similar.

    Secure 6 Click board™ is supported by a mikroSDK compliant library, which includes functions that simplify software development.

    Secure 6 Click includes the ATSHA204A, a secure CryptoAuthentication™ device from Microchip, which is equipped with an EEPROM array which can be used for storing of up to 16 keys, certificates, consumption logging, security configurations and other types of secure data. Access to the various sections of memory can be restricted in several different ways and then the configuration can be locked permanently, to prevent changes. The ATSHA204A equipped on this Click board™, supports the SWI interface with a flexible command set, that allows use in various security applications, including Network/IoT Node Endpoint Security, Secure Boot, Small Message Encryption, Key Generation for Software Download, Ecosystem control, Anti Counterfeiting and similar.

    The ATSHA204A implements a complete asymmetric key cryptographic signature solution, based on the Elliptic Curve Cryptography and the ECDSA signature protocol. It also implements AES-128, SHA256 and multiple SHA derivatives, such as HMSC(SHA), PRF (the key derivation function in TLS) and HKDF in hardware. It can also generate random private keys and random numbers, which can be used as a part of the crypto protocol.

    Those asymmetric cryptographic operations are accelerated by the ATSHA204A hardware and are calculated up from ten to thousand times faster than with the software running on standard microprocessors. This prevents the risk of key exposure, which is usually found in standard microprocessors.

    The device is consuming very low current, especially while it is in the sleep mode. The chip itself uses less than 150nA, in that case. The voltage range which can be used to power up the Security 6 Click, allows for it to work with both 3.3V and 5V capable MCUs. Therefore, this Click board™ supports the parasitic power supply mode, where the main IC is powered via the communication line. When the onboard jumper PWR BYP is removed, Secure 6 Click

    The chip itself uses a minimal number of pins; only the SWI lines are routed to the mikroBUS™ along with the 3.3V and 5V rails. The device can work with any of these voltages. It can be selected by soldering a small SMD jumper, labeled as VIO SEL to the correct position.

    IMPORTANT: On this Click board™, UART lines (RX and TX) are shorted and pulled high by the 1KΩ resistor. Basicly, they act as a single line and only one trace is routed to the ATSHA204A IC. Further it means that UART pins can be used only for SWI communication when this Click board™ is used on a system.

    Features:

    • Interface: SWI
    • Compatibility: mikroBUS™
    • Dimensions: 42.9 x 25.4mm
    • Input Voltage: 3.3V or 5V

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