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Microchip Technology ATSHA204A-SSHDA-B Environmental and export classification status description

The ATSHA204A-SSHDA-B is a cryptographic co-processor designed to provide secure key storage and cryptographic operations. It is based on the SHA-256 hashing algorithm, which ensures secure communication and data integrity in various embedded systems. The device is well-suited for applications where physical security and identity authentication are critical. Functions - Secure Key Storage: It securely stores cryptographic keys and secrets, protecting them from unauthorized access. - Cryptographic Operations: It supports various cryptographic functions, including SHA-256 hashing, HMAC, symmetric key encryption, and digital signatures. - Authentication: It can authenticate devices and communications to ensure integrity and prevent tampering. - Random Number Generation: It features a true random number generator that provides secure keys for cryptographic operations. Applications - IoT Devices: Enhances security for Internet of Things applications by providing secure key management and authentication. - Consumer Electronics: Used in devices such as smartphones, wearables, and home automation systems for secure communication. - Automotive Systems: Employed in vehicle systems to secure software updates and communication between ECUs (Electronic Control Units). - Smart Meters and Industrial Equipment: Ensures secure transactions and data integrity in utility management and control systems. Alternative Parts - ATSHA204A: Variants of the same family with different package types or functionalities. - ATSHA206A: A more advanced version with additional features like a hardware random number generator and support for different communication interfaces. - AT42QT1010: A touch sensor controller that also provides some level of security and can be used alongside cryptographic components. Embedded Modules - Secure IoT Modules: Integrated modules that include the ATSHA204A for quick deployment in IoT solutions. - Development Kits: Evaluation boards and development environments that can leverage the ATSHA204A for secure embedded design, such as Microchip's CryptoAuthentication evaluation kits. Related Q&A 1. Q: What is the primary function of the ATSHA204A-SSHDA-B? A: The primary function is to provide secure key storage and cryptographic operations for embedded systems, enhancing security and data integrity. 2. Q: In what applications is the ATSHA204A typically used? A: It is commonly used in IoT devices, consumer electronics, automotive systems, and smart meters to secure communication and authenticate devices. 3. Q: How does the ATSHA204A ensure key security? A: The ATSHA204A securely stores cryptographic keys in a tamper-resistant manner, making them inaccessible to unauthorized users while providing necessary cryptographic functions. 4. Q: Are there alternative parts to the ATSHA204A with similar functionalities? A: Yes, alternatives include the ATSHA206A, which offers more advanced features, and the ATSHA204A variants with different packaging options. 5. Q: What type of embedded modules incorporate the ATSHA204A? A: Secure IoT modules and development kits are available that integrate the ATSHA204A, facilitating easy implementation of secure design in various applications.