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Small Message Encryption using SHA Devices

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Abstract: This document shows how Maxim's DS1963S SHA iButton® can be used with small microcontrollers to provide strong encryption and authentication of control and status messages, telemetry, or sensitive process control information. For low cost and low overhead, it provides nonvolatile memory, secure secret storage, secret sharing and rotation, fast SHA-1 pad generation, and a globally unique serial number. A simple microcontroller needs only provide a single port pin and a few dozen lines of code to attain quality cryptographic security.
Maxim > App Notes > 1-Wire Devices iButton Security and Authentication
Keywords: cryptography, encryption, SHA, SHA-1, microcontroller, small message, MAC, hash, one-way, authentication, security, random Feb 04, 2002
number, random numbers, pad, secret, coprocessor, rotation, DS1963S, DS1961S, DS2432

APPLICATION NOTE 150
Small Message Encryption using SHA Devices


Abstract:This document shows how Maxim's DS1963S SHA iButton can be used with small microcontrollers to provide strong
encryption and authentication of control and status messages, telemetry, or sensitive process control information. For low cost
and low overhead, it provides nonvolatile memory, secure secret storage, secret sharing and rotation, fast SHA-1 pad generation,
and a globally unique serial number. A simple mic……
标签:MaximcryptographyencryptionSHASHA-1microcontrollersmallmessageMAChashone-wayauthenticationsecurityrandomnumberrandomnumberspadsecretcoprocessorrotationDS1963SDS1961SDS2432
Small Message Encryption using SHA Devices
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