ATSHA204A-RBHCZ-B
Product Overview
The ATSHA204A-RBHCZ-B belongs to the category of cryptographic authentication devices. It is commonly used for ensuring the security and integrity of electronic systems and data. The device is characterized by its small form factor, low power consumption, and robust security features. It is typically packaged in a compact surface-mount package and is available in various quantities to suit different application needs.
Specifications
- Operating Voltage: 2.0V to 5.5V
- Operating Temperature Range: -40°C to +85°C
- Storage Temperature Range: -65°C to +150°C
- Communication Interface: Single-wire interface (SWI)
- Memory: 256-bit EEPROM
- Security Features: Hardware-based cryptographic operations, secure key storage, and tamper detection
Detailed Pin Configuration
The ATSHA204A-RBHCZ-B features a standard 8-pin SOIC package with the following pin configuration: 1. VCC 2. SDA 3. SCL 4. /WAKE 5. GND 6. NC 7. NC 8. /RST
Functional Features
- Cryptographic Operations: The device supports various cryptographic functions such as SHA-256 hashing, HMAC calculation, and random number generation.
- Secure Key Storage: It provides secure storage for cryptographic keys, preventing unauthorized access or extraction.
- Tamper Detection: The device includes mechanisms to detect physical tampering or intrusion attempts.
Advantages and Disadvantages
Advantages: - Robust Security: Provides strong protection against unauthorized access and data tampering. - Low Power Consumption: Suitable for battery-powered applications. - Compact Form Factor: Ideal for space-constrained designs.
Disadvantages: - Initial Setup Complexity: Integration and configuration may require specialized knowledge of cryptographic protocols. - Cost: The added security features may increase the overall system cost.
Working Principles
The ATSHA204A-RBHCZ-B operates by utilizing its hardware-based cryptographic engine to perform secure operations such as key generation, authentication, and data integrity verification. It communicates with the host system via a single-wire interface, enabling seamless integration into various electronic devices.
Detailed Application Field Plans
The ATSHA204A-RBHCZ-B finds extensive use in diverse applications, including: - IoT Devices: Ensuring the security of sensor nodes, smart home devices, and industrial IoT solutions. - Embedded Systems: Providing secure boot and firmware validation in microcontroller-based systems. - Authentication Tokens: Enabling secure access control and user authentication in electronic systems.
Detailed and Complete Alternative Models
- ATSHA204A-TSU-T: Similar functionality with a different package and temperature range.
- ATECC608A-MAHDA-T: Advanced cryptographic device with enhanced security features and higher memory capacity.
In conclusion, the ATSHA204A-RBHCZ-B is a versatile cryptographic authentication device that offers robust security features, making it an essential component for ensuring the integrity and confidentiality of electronic systems and data.
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What is the ATSHA204A-RBHCZ-B used for?
- The ATSHA204A-RBHCZ-B is a secure cryptographic authentication device commonly used to provide hardware-based security in various technical solutions.
How does the ATSHA204A-RBHCZ-B enhance security in a system?
- This device provides secure key storage, cryptographic operations, and tamper detection, which helps protect sensitive data and prevent unauthorized access.
Can the ATSHA204A-RBHCZ-B be integrated with microcontrollers or other embedded systems?
- Yes, it can be easily integrated with microcontrollers and other embedded systems to add a layer of hardware-based security to the overall solution.
What are the typical applications of the ATSHA204A-RBHCZ-B?
- Common applications include secure boot, secure firmware updates, anti-counterfeiting measures, secure authentication, and secure communication protocols.
Is the ATSHA204A-RBHCZ-B suitable for IoT devices?
- Yes, it is well-suited for IoT devices as it provides a robust security solution for protecting sensitive data and ensuring the integrity of communications.
Does the ATSHA204A-RBHCZ-B support industry-standard cryptographic algorithms?
- Yes, it supports industry-standard algorithms such as SHA-256 and HMAC, making it compatible with established security practices.
How does the ATSHA204A-RBHCZ-B handle key management?
- It has built-in features for key generation, storage, and use, along with mechanisms for preventing unauthorized extraction of stored keys.
Can the ATSHA204A-RBHCZ-B detect physical tampering attempts?
- Yes, it includes features for detecting and responding to physical tampering, providing an added layer of protection against attacks.
What kind of development tools are available for working with the ATSHA204A-RBHCZ-B?
- There are various development kits, software libraries, and documentation provided by the manufacturer to facilitate integration and development.
Are there any specific certifications or compliance standards associated with the ATSHA204A-RBHCZ-B?
- Yes, it is designed to meet industry standards for security and has certifications such as FIPS 140-2 and Common Criteria, making it suitable for regulated environments.