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ATSHA204-MAH-CZ-T
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ATSHA204-MAH-CZ-T

Introduction

The ATSHA204-MAH-CZ-T is a cryptographic authentication device belonging to the category of secure authentication and encryption products. This device is widely used in various applications that require secure communication, such as IoT devices, industrial control systems, and consumer electronics.

Basic Information Overview

  • Category: Secure Authentication and Encryption
  • Use: Providing cryptographic authentication and secure communication
  • Characteristics: Small form factor, low power consumption, high security features
  • Package: 8-lead SOIC, 3-lead SOT-23
  • Essence: Hardware-based cryptographic authentication
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies based on order size

Specifications

  • Operating Voltage: 2.0V to 5.5V
  • Operating Temperature: -40°C to 85°C
  • Storage Temperature: -65°C to 150°C
  • Crypto Engine: SHA-256
  • Key Storage: 16 keys
  • Random Number Generator: Yes
  • Serial Interface: Single-wire interface (SWI)

Detailed Pin Configuration

  1. VCC: Power supply input
  2. GND: Ground
  3. SDA: Serial data line
  4. SCL: Serial clock line
  5. /RST: Reset pin
  6. SDO: Serial data output
  7. GPIO: General-purpose input/output
  8. NC: No connection

Functional Features

  • Cryptographic Operations: Supports various cryptographic operations including HMAC, random number generation, and secure key storage.
  • Tamper Resistance: Built-in tamper resistance features to protect against physical attacks.
  • Secure Communication: Enables secure communication between devices using cryptographic protocols.

Advantages and Disadvantages

Advantages

  • High level of security for cryptographic operations
  • Low power consumption
  • Compact form factor suitable for small devices

Disadvantages

  • Initial setup and configuration may require specialized knowledge
  • Limited storage capacity for keys

Working Principles

The ATSHA204-MAH-CZ-T operates by utilizing its built-in SHA-256 crypto engine to perform secure cryptographic operations. It stores and manages cryptographic keys, generates random numbers, and provides secure communication channels through its single-wire interface.

Detailed Application Field Plans

This device is well-suited for a wide range of applications including: - IoT devices requiring secure communication - Industrial control systems for ensuring data integrity and authenticity - Consumer electronics for protecting sensitive information

Detailed and Complete Alternative Models

  1. ATAES132A
    • Similar functionality with additional AES encryption support
  2. ATECC508A
    • Enhanced security features with elliptic curve cryptography support
  3. ATSHA206A
    • Higher key storage capacity with extended temperature range support

In conclusion, the ATSHA204-MAH-CZ-T is a versatile cryptographic authentication device offering high-level security features and compact design, making it an ideal choice for various secure communication applications.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi ATSHA204-MAH-CZ-T dalam penyelesaian teknikal

  1. What is the ATSHA204-MAH-CZ-T?

    • The ATSHA204-MAH-CZ-T is a secure cryptographic authentication device that provides protection for applications such as firmware validation, secure boot, and secure key storage.

  2. How does the ATSHA204-MAH-CZ-T enhance security in technical solutions?

    • It enhances security by providing hardware-based cryptographic functions, including secure key generation, storage, and authentication, to protect against unauthorized access and tampering.

  3. What are the key features of the ATSHA204-MAH-CZ-T?

    • Key features include a 4.5Kb EEPROM for secure data storage, a high-security hardware-based random number generator, and a wide operating voltage range for flexibility in various applications.

  4. In what types of applications can the ATSHA204-MAH-CZ-T be used?

    • It can be used in a wide range of applications, including IoT devices, industrial control systems, medical devices, and consumer electronics, to provide secure authentication and protection against counterfeiting.

  5. How does the ATSHA204-MAH-CZ-T support secure boot and firmware validation?

    • It supports secure boot and firmware validation by securely storing and authenticating cryptographic keys and digital signatures, ensuring the integrity of the boot process and firmware updates.

  6. What are the communication interfaces supported by the ATSHA204-MAH-CZ-T?

    • It supports I2C and Single-Wire Interface (SWI) for easy integration into various microcontroller-based systems.

  7. Can the ATSHA204-MAH-CZ-T be used for secure key storage?

    • Yes, it provides secure key storage with tamper-evident protections, making it suitable for storing sensitive cryptographic keys and other secure data.

  8. What are the power requirements for the ATSHA204-MAH-CZ-T?

    • It operates over a wide voltage range, typically from 2.0V to 5.5V, making it suitable for low-power and battery-operated devices.

  9. Is the ATSHA204-MAH-CZ-T resistant to physical attacks?

    • Yes, it includes built-in defenses against physical attacks, such as active shield technology and environmental protections, to safeguard against tampering.

  10. How can developers integrate the ATSHA204-MAH-CZ-T into their designs?

    • Developers can easily integrate the ATSHA204-MAH-CZ-T into their designs using available libraries, software tools, and application notes provided by the manufacturer, simplifying the implementation of secure authentication in their products.