DS28E25P+

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The DS28E25P+ is an Ultra-High Security authenticator with SHA-256 (Secure Hash Algorithm) 5K or 10K challenge-response authentication quality, ideal for secure authentication in IOT nodes and high value industrial automation system. It consists of a secure 32-byte EEPROM memory array and a 2-wire interface compliant with the most popular 1-wire protocol.

The DS28E25P+ belongs to the category of Memory devices, that is, it stores & remembers data that can be retrieved when needed. It uses the powerful security features of the SHA-256 for authentication which provides protection against hacking and helps maintain the integrity of the data it stores.

The working principle of the DS28E25P+ is simple yet effective. It uses a two-way challenge-response authentication protocol to secure the data stored on it. When a request is made from the node, the device sends out a random challenge of 64 bytes. The node must enter the correct response, which is computed using the SHA-256 algorithm, in order to be authenticated.

DS28E25P+ can be used in a range of applications such as identity authentication, asset protection, secure document signing, payment processing and access control. Its applications in industrial automation are particularly worth noting; it provides a reliable, secure and cost effective authentication solution in these systems. Furthermore, due to its low power consumption, it is an attractive option for IOT nodes requiring authentication.

The ability to authenticate data whilst using minimum energy makes the DS28E25P+ an attractive component for IOT and related applications. Its secure SHA-256 algorithms offer strong protection against hackers, ensuring that the data it stores remains safe and secure. As such, it is an effective component for a range of applications requiring reliable, secure and cost effective authentication.

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