DS1964S Overview
Key Specifications
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 iButton® (DS1964S) 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).
Key Features
- Symmetric-Key-Based Bidirectional Secure Authentication Model Based on SHA-256
- Strong Authentication with a High-Bit-Count User-Programmable Secret and Input Challenge
- 512 Bits of User EEPROM Partitioned Into Two Pages of 256 Bits
- User-Programmable and Irreversible EEPROM Protection Modes Including Write and R
