DS28E25 Description
DeepCover™ 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 (DS28E25) bines crypto-strong, bidirectional, secure challengeand-response authentication functionality with an implementation based on the FIPS 180-3-specified Secure Hash Algorithm (SHA-256). A 4Kb user-programmable...
DS28E25 Key Features
- Symmetric Key-Based Bidirectional Secure Authentication Model Based on SHA-256
- Dedicated Hardware-Accelerated SHA Engine for Generating SHA-256 MACs
- Strong Authentication with a High Bit Count, UserProgrammable Secret, and Input Challenge
- 4096 Bits of User EEPROM Partitioned Into 16 Pages of 256 Bits
- User-Programmable and Irreversible EEPROM Protection Modes Including Authentication, Write and Read Protect, and OTP/EPR
- Unique, Factory-Programmed 64-Bit Identification Number
- Single-Contact 1-Wire Interface municates with Host at Up to 76.9kbps
- Operating Range: 3.3V ±10%, -40°C to +85°C
- Low-Power 5µA (typ) Standby
- ±8kV Human Body Model ESD Protection (typ)