DS28E38
DeepCover® Secure ECDSA Authenticator with ChipDNA PUF Protection
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Protect Your Design Using Crypto-Strong Authentication Secured with a Physically Unclonable Function
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Features
- Robust Countermeasures Protect Against Security Attacks
- Patented Physically Unclonable Function Secures Device Data
- Actively Monitored Die Shield Detects and Reacts to Intrusion Attempts
- All Stored Data Cryptographically Protected from Discovery
- Efficient Public-Key Authentication Solution to Authenticate Peripherals
- FIPS 186-Compliant ECDSA P256 Signature for Challenge/Response Authentication
- Options for ECDSA Public/Private Key Pair Source Include ChipDNA Generated, Chip Computed, and User Installed
- TRNG with NIST SP 800-90B Compliant Entropy Source
- Supplemental Features Enable Easy Integration into End Applications
- 17-Bit One-Time Settable, Nonvolatile Decrement-Only Counter with Authenticated Read
- 2Kbits of EEPROM for User Data, Key, Control Registers, and Certificate
- Unique and Unalterable Factory Programmed 64-Bit Identification Number (ROM ID)
- Single-Contact, 1-Wire Interface Communication with Host at 11.7kbps and 62.5kbps
- Operating Range: 3.3V ±10%, -40°C to +85°C
- 6-Pin TDFN-EP Package (3mm x 3mm)
- 2-Pad SFN Package (3.5mm x 6.5mm)
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The DS28E38 is an ECDSA public key-based secure authenticator that incorporates Maxim’s patented ChipDNA™ PUF technology. ChipDNA technology involves a physically unclonable function (PUF) that enables the DS28E38 to deliver cost-effective protection against invasive physical attacks. Using the random variation of semiconductor device characteristics that naturally occur during wafer fabrication, the ChipDNA circuit generates a unique output value that is repeatable over time, temperature, and operating voltage. Attempts to probe or observe ChipDNA operation modifies the underlying circuit characteristics, preventing discovery of the unique value used by the chip cryptographic functions. The DS28E38 utilizes the ChipDNA output as key content to cryptographically secure all device stored data and optionally, under user control, as the private key for the ECDSA signing operation. With ChipDNA capability, the device provides a core set of cryptographic tools derived from integrated blocks including an asymmetric (ECC-P256) hardware engine, a FIPS/NIST-compliant true random number generator (TRNG), 2Kb of secured EEPROM, a decrement-only counter and a unique 64-bit ROM identification number (ROM ID). The ECC public/ private key capabilities operate from the NIST-defined P-256 curve to provide a FIPS 186-compliant ECDSA signature generation function. The unique ROM ID is used as a fundamental input parameter for cryptographic operations and serves as an electronic serial number within the application. The DS28E38 communicates over the single-contact 1-Wire® bus at both standard and overdrive speeds. The communication follows the 1-Wire protocol with the ROM ID acting as node address in the case of a multidevice 1-Wire network.
Explore security topics and test drive secure authenticators with the Maxim Security Lab
Applications
- Authentication of Medical Sensors and Tools
- IoT Node Authentication
- Peripheral Authentication
- Printer Cartridge Identification and Authentication
- Reference Design License Management
- Secure Management of Limited Use Consumables
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DS28E38
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How Unclonable, Turnkey Embedded Security Protects Designs from the Ground Up
Secure Authentication for Medical Disposables
Attachment Methods for the Electro-Mechanical 1-Wire Contact Package
Using 1-Wire for Flexible Electro-Mechanical Contact Applications
Cryptography: Planning for Threats and Countermeasures
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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
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SamacSys
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2-SFN-3.5X6.5X0.75?
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HTML
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Ultra Librarian
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Thin Dual Flatpack No Leads, Exposed Pad
- Documentation
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HTML
Material Declaration
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HTML
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Ultra Librarian
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SamacSys
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Thin Dual Flatpack No Leads, Exposed Pad
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HTML
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PCN
Apr 29, 2021
- 2146
DESIGN
DS28E38G+U
PRODUCTION
DS28E38Q+T
PRODUCTION
Jan 17, 2018
- 1722C
ASSEMBLY
DS28E38Q+T
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- 2146
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- 1722C
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Software & Part Ecosystem
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Secure Authenticators1 |
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PRODUCTION |
DeepCover Secure Coprocessor |
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Can't find the software or driver you need?
Request a Driver/SoftwareEvaluation Kits 2
DS9481P-300
USB-to-1-Wire/I2C Adapter
Features and Benefits
- Driver Support for Windows 10, Windows 7Operating Systems
- 1-Wire/I2C USB Adapter Creates a Virtual COM Porton Windows, Linux, and Mac Operating Systems
- Emulates the DS2480B Command Set
- 3.3V Read/Write Operation to 1-Wire
- Supports Standard and Overdrive 1-WireCommunication
- Strong Pullup to 3.3V Provides the Additional CurrentRequired for 1-Wire EEPROM, EnvironmentalSensors, and Cryptographic Devices
- 1-Wire Active Pullup Accommodates Long Lines
- 3.3V I2C Operation with SDA and SCL Pullups
- Supports I2C Speeds of 100kHz and 400kHz
- 6-Pin Female Interface
- Fully Compliant with USB Specification v2.0
Product Detail
The DS9481P-300 is a USB-to-1-Wire®/I2C adapter for easy PC connectivity to 1-Wire and I2C devices. The adapter provides a 6-pin female connector with the signals to communicate with 1-Wire and I2C devices that support a 3.3V data I/O level. The DS9481P-300 driver runs on Windows®10, Windows 8, and Windows 7 operating systems, both 64-bit and 32-bit versions. The virtualized COM port provides a convenient communication interface.
DS28E38EVKIT
Evaluation System for the DS28E38 and DS2476
Features and Benefits
- Demonstrates the Features of the DS28E38 DeepCover® Secure Authenticator with ChipDNA PUF Protection
- Demonstrates the Features of the DS2476 DeepCover Secure Coprocessor
- 1-Wire/I2C Communication Is Logged to Aid Firmware Designers Understanding of DS28E38 and DS2476
- 1-Wire/I2C USB Adapter Creates a Virtual COM Port on Any PC
- Fully Compliant with USB Specification v2.0
- Software Runs on Windows 10, Windows 8, and Windows 7 for Both 64-Bit and 32-Bit Versions
- 3.3V ± 3% 1-Wire Operating Voltage
- Convenient On-Board Test Points, TDFN Socket
- Evaluation Software Available by Request
Product Detail
The DS28E38 evaluation system (EV system) provides the hardware and software necessary to exercise the features of the DS28E38 and DS2476. The EV system consists of five DS28E38/DS2476 devices in a 6-pin TDFN package, a DS9121AQ+ evaluation TDFN socket board, and a DS9481P-300# USB-to-I2C/1-Wire® adapter. The evaluation software runs under Windows® 10, Windows 8, and Windows 7 operating systems, both 64-bit and 32-bit versions. It provides a handy user interface to exercise the features of the DS28E38 and DS2476.
Applications
- Authentication of Medical Sensors and Tools
- IoT Node Authentication
- Peripheral Authentication
- Printer Cartridge Identification and Authentication
- Reference Design License Management
- Secure Management of Limited Use Consumables
Resources
Tools & Simulations 2
Software Development 2
DeepCover® Security Lab
Reference Designs 1
MAXREFDES9003
Secure Authentication with ARM Processors
Features and Benefits
- ECDSA P256 public-key authentication protected by ChipDNA technology.
- DS28E38 operates with a single-contact 1-Wire interface, requires no device-level firmware development, and simplifies key management.
- Intellectual property and products are protected by a solution immune to invasive/physical attacks.
Application Benefits
- Designed for Arm processors in bare-metal or OS environments.
- Includes project for Eclipse, GCC, and OpenOCD toolchain.
- Out-of-the-box support for the MAX32625MBED evaluation board.
- Supports Arm Mbed Enabled devices.
- Modular design enables rapid porting and integration.
- ISO C++98-compatible source code for best compiler portability.
