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DS28EL22 - DeepCover Secure Authenticator

Datasheet Summary

Description

DeepCoverM embedded security solutions cloak sensitive data under multiple layers of advanced physical security to provide the most secure key storage possible.

Features

  • S Symmetric Key-Based Bidirectional Secure Authentication Model Based on SHA-256 S Dedicated Hardware-Accelerated SHA Engine for Generating SHA-256 MACs S Strong Authentication with a High Bit Count, UserProgrammable Secret, and Input Challenge S 2048 Bits of User EEPROM Partitioned Into 8 Pages of 256 Bits S User-Programmable and Irreversible EEPROM Protection Modes Including Authentication, Write and Read Protect, and OTP/EPROM Emulation S Unique, Factory-Programmed 64-Bit Identification Numbe.

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Datasheet Details

Part number DS28EL22
Manufacturer Maxim Integrated
File Size 591.41 KB
Description DeepCover Secure Authenticator
Datasheet download datasheet DS28EL22 Datasheet
Additional preview pages of the DS28EL22 datasheet.

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Full PDF Text Transcription

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ABRIDGED DATA SHEET EVALUATION KIT AVAILABLE DS28EL22 DeepCover Secure Authenticator with 1-Wire SHA-256 and 2Kb User EEPROM General Description DeepCoverM embedded security solutions cloak sensitive data under multiple layers of advanced physical security to provide the most secure key storage possible. The DeepCover Secure Authenticator (DS28EL22) combines crypto-strong, bidirectional, secure challenge-and-response authentication functionality with an implementation based on the FIPS 180-3-specified Secure Hash Algorithm (SHA-256). A 2Kb user-programmable EEPROM array provides nonvolatile storage of application data and additional protected memory holds a read-protected secret for SHA-256 operations and settings for user memory control.
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