Microchip Technology
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ATSHA204-SH-DA-B
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ATSHA204-SH-DA-B

Product Overview

Category

ATSHA204-SH-DA-B belongs to the category of cryptographic authentication devices.

Use

It is primarily used for secure authentication and data protection in various electronic systems.

Characteristics

  • Provides robust security features
  • Offers high-speed cryptographic operations
  • Supports multiple communication interfaces
  • Low power consumption
  • Compact size

Package

ATSHA204-SH-DA-B comes in a small surface-mount package, making it suitable for integration into compact electronic devices.

Essence

The essence of ATSHA204-SH-DA-B lies in its ability to provide secure authentication and protect sensitive data from unauthorized access.

Packaging/Quantity

This product is typically packaged in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

  • Operating Voltage: 2.0V to 5.5V
  • Communication Interfaces: I2C, Single-Wire Interface (SWI)
  • Cryptographic Algorithm: SHA-256
  • Key Storage Capacity: 16 keys
  • Temperature Range: -40°C to +85°C
  • Dimensions: 3mm x 2mm

Detailed Pin Configuration

  1. VCC: Power supply input
  2. GND: Ground reference
  3. SDA: I2C data line
  4. SCL: I2C clock line
  5. SWI: Single-Wire Interface data line
  6. RESET: Reset pin for device initialization

Functional Features

  • Secure storage of cryptographic keys
  • Hardware-based random number generation
  • Authentication and verification of data integrity
  • Countermeasures against physical attacks
  • Tamper detection and response mechanisms

Advantages

  • Strong security measures to protect sensitive information
  • Versatile communication interfaces for easy integration
  • Compact size allows for flexible placement in various devices
  • Low power consumption for energy-efficient operation

Disadvantages

  • Limited key storage capacity (16 keys)
  • Requires additional components for full system implementation
  • Relatively high cost compared to non-security-focused devices

Working Principles

ATSHA204-SH-DA-B utilizes advanced cryptographic algorithms, such as SHA-256, to ensure secure authentication and data protection. It generates and stores cryptographic keys securely, performs cryptographic operations, and verifies the integrity of data using hardware-based mechanisms.

Detailed Application Field Plans

ATSHA204-SH-DA-B finds applications in various fields where secure authentication and data protection are crucial. Some examples include:

  1. IoT Devices: Securing communication between connected devices and cloud services.
  2. Smart Cards: Protecting sensitive information stored on smart cards, such as credit cards or identification cards.
  3. Industrial Control Systems: Ensuring the integrity and authenticity of control commands in critical infrastructure systems.
  4. Automotive Electronics: Securing communication and preventing unauthorized access to vehicle systems.

Detailed and Complete Alternative Models

  1. ATSHA204A: Similar features and specifications, but with a different package option.
  2. ATAES132A: Offers additional encryption capabilities along with authentication features.
  3. ATECC608A: Provides enhanced security features, including hardware-based secure boot and certificate handling.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ATSHA204-SH-DA-B v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ATSHA204-SH-DA-B in technical solutions:

  1. Q: What is ATSHA204-SH-DA-B? A: ATSHA204-SH-DA-B is a secure cryptographic authentication device manufactured by Microchip Technology. It provides hardware-based security features for various applications.

  2. Q: What are the main features of ATSHA204-SH-DA-B? A: The main features of ATSHA204-SH-DA-B include secure key storage, cryptographic functions, tamper detection, and high resistance against physical attacks.

  3. Q: How can ATSHA204-SH-DA-B be used in technical solutions? A: ATSHA204-SH-DA-B can be used for secure boot, secure firmware updates, secure communication protocols, secure authentication, and protection against counterfeiting.

  4. Q: Can ATSHA204-SH-DA-B be integrated with microcontrollers or other devices? A: Yes, ATSHA204-SH-DA-B can be easily integrated with microcontrollers, host processors, or other devices through its I2C interface.

  5. Q: Does ATSHA204-SH-DA-B support symmetric or asymmetric cryptography? A: ATSHA204-SH-DA-B supports symmetric cryptography, including AES-128 encryption and HMAC-SHA256 authentication.

  6. Q: How does ATSHA204-SH-DA-B provide protection against physical attacks? A: ATSHA204-SH-DA-B has built-in tamper detection mechanisms that trigger self-destructive actions when physical tampering is detected, making it extremely difficult to extract sensitive information.

  7. Q: Can ATSHA204-SH-DA-B generate random numbers or nonces? A: Yes, ATSHA204-SH-DA-B has a built-in random number generator (RNG) that can be used to generate secure random numbers or nonces.

  8. Q: Is ATSHA204-SH-DA-B suitable for low-power applications? A: Yes, ATSHA204-SH-DA-B is designed to operate in low-power environments and has various power-saving modes to minimize energy consumption.

  9. Q: Are there any development tools or software libraries available for ATSHA204-SH-DA-B? A: Yes, Microchip provides development tools, software libraries, and application notes to assist with the integration and implementation of ATSHA204-SH-DA-B in technical solutions.

  10. Q: Can ATSHA204-SH-DA-B be used in IoT devices or other connected systems? A: Absolutely! ATSHA204-SH-DA-B is well-suited for securing IoT devices, connected systems, smart meters, industrial control systems, and many other applications requiring robust security measures.

Please note that these answers are general and may vary depending on specific use cases and requirements.