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Secure click - MikroElektronika IoT Encryption Decryption

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  • Secure click - MikroElektronika IoT Encryption Decryption

    Secure click carries the ATECC508A cryptographic coprocessor with secure hardware-based key storage. The click is designed to run on either 3.3V or 5V power supply. It communicates with the target microcontroller over I2C interface.

    ATECC508A features

    Microchip's ATECC508A integrates ECDH (Elliptic Curve Diffie Hellman) security protocol, an ultra-secure method to provide key agreement for encryption/decryption. It also integrates the ECDSA (Elliptic Curve Digital Signature Algorithm) sign-verify authentication for the Internet of Things (IoT) market, including home automation, industrial networking, accessory and consumable authentication, medical, mobile and more.

    The ATECC508A includes an EEPROM array which can be used for storage of up to 16 keys, certificates, miscellaneous read/write, read-only or secret data, consumption logging, and security configurations. Access to the various sections of memory can be restricted in a variety of ways and then the configuration can be locked to prevent changes.

    It features a wide array of defense mechanisms specifically designed to prevent physical attacks on the device itself, or logical attacks on the data transmitted between the device and the system. Hardware restrictions on the ways in which keys are used or generated provide further defense against certain styles of attack.

    Specifications

    Type EEPROM
    Applications IoT node security and ID, secure download and boot, ecosystem control, message security, anti-cloning, etc.
    On-board modules ATECC508A cryptographic co-processor
    Key Features Performs high-speed public key (PKI) algorithms, NIST Standard P256 elliptic curve support, SHA-256 hash algorithm with HMAC option, 256-bit key length, storage for up to 16 Keys
    Interface I2C
    Input Voltage 3.3V or 5V
    Click board size M (42.9 x 25.4 mm)

     

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