Infineon OPTIGA™ Trust Family

Authentication & device security

Infineon OPTIGA™ Trust Family

The OPTIGA™ Trust family of products consists of turn-key and programmable solutions that give you the benefit of easy and convenient integration whilst offering you the most suitable security to protect your business and product. It contains a full range of embedded security products addressing the device authentication market which enables the right features and the right level of security for your projects such as the protection of embedded systems against counterfeiting, unauthorized products, intentional attacks, and unintentional operator errors.


Trust X

The best-fit security solution for IoT devices, to protect your business as well as your customers’ data and IP. The OPTIGA™ Trust X is easy to integrate and work with, reducing your design effort for faster time-to-market. This product enables new features and business models that empower you to differentiate your offering, stay ahead of the competition and grow.


OPTIGA™ Trust X    —   SLS32AIA020X


  • High-end security controller
  • Turnkey solution
  • One-way authentication using ECDSA
  • Mutual authentication using DTLS client (IETF standard RFC 6347)
  • Secure communication using DTLS
  • Compliant with the USB Type-C™ Authentication standard
  • I2C interface
  • Up to 10KB user memory
  • Cryptographic support: ECC256, AES128, SHA-256, TRNG, DRNG
  • PG-USON-10-2 package (3x3mm)
  • Standard & extended temperature ranges
  • Full system integration support
  • Common Criteria Certified EAL6+ (high) hardware
  • Cryptographic Tool Box based on ECC NIST P256, P384 and SHA256 (sign, verify, key generation, ECDH, session key derivation)


  • Industrial control and automation
  • Consumer electronics
  • Smart home
  • Medical devices

Trust B

Infineon’s SLE 95250 is part of the OPTIGA™ Trust Family. It is an authentication product that offers a robust cryptographic solution, designed to assist system manufacturers to prove the authenticity, integrity, and safety of their original products.

Infineon Optiga™ Trust B Chips
  • Improved Security:
    • With state of the art asymmetric elliptic curve authentication principle
    • With uniqueness provided by chip individual key pair
  • Optimized system costs with 1 chip solution
  • Easy integration due to full turnkey solution
  • Lean and easy connectivity with Single Wire Interface
  • Tiny footprint using TNSP-6-9 Package


OPTIGA™ Trust B    —   SLE95250-0000


  • Strong Asymmetric Cryptography with ECC 131 bit Key Length
  • Turnkey Solution Including Host Side Software for Easy Integration
  • 512 bit user NVM
  • Easy to Implement Single-Wire Host Interface
  • Unique Asymmetric Key Pair per Chip
  • Size Optimized TNSP-6-9 Package (1.5x1.1mm)


  • Printer Cartridges
  • Authentication of System Service
  • Accessories
  • Original Replacements Parts
  • Medical & Diagnostic Supply Equipment
  • Functionalities and Parts in Networked Systems

Trust E

OPTIGA™Trust E offers an easily implementable solution to protect manufactures’ valuable IP from being attacked analyzed, copied and modified.  Enhanced authentication as all as secured storage of software codes and product data improve network and supply chain management and help manufacturers of high value goods to safeguard their IP and protect their brand through assured quality and safety of their products.

OPTIGA™ Trust E comes with an advanced pre-programmed controller built on Elliptic Curve Cryptography greatly enhancing overall system security.

Infineon OPTIGA™ Trust E for system security
  • Easy Integration:
    • Easy and fast system integration turnkey solution (chip + os + app + complete host side integration support
    • Industry standard I2C interface
    • Small outline of PG-USON-10 package (3x3mm)
    • Industrial temperature range support: -40 ℃ to +85 ℃
  • Cost Effective Deployment:
    • All keys and certificates already programmed in security certified production site at Infineon
    • Chip individual key pairs preprogrammed
  • Enhance Security for High Value Goods:
    • High end security controller
    • Advanced asymmetric cryptography (ECC 256) in a single-chip-solution


OPTIGA™ Trust E    —    SLS32AIA020A


  • High-end Security Controller
  • Turnkey Solution
  • Full System Integration Support
  • PC Interface
  • Up to 3 Kpytes User Memory
  • ECC 256 bit, SHA-256
  • Compliant with new USB Type-C Standard
  • Standard & Extended Temperature range (-40C to +85C)
  • PG-USON-10 Package (3x3mm)


  • Internet of Things (IoT)
  • Industrial Control & Automation
  • Medical Devices
  • Consumer Electronics
  • Smart Home
  • PKI Networks

Trust P

Infineon Optiga™

OPTIGA™ Trust P is a programmable hardware-based solution for improved security of electrical devices in connected systems enabling protection of embedded systems against counterfeiting, unauthorized products, intentional attacks, and unintentional operator errors.

As a programmable chip, the OPTIGA™ Trust P comes pre-loaded with a Java card OS and additional memory for the customer to develop their own applets. This flexible solution offers a full range of security functions, such as authentication, secure updates, key generation and storage, protected storage, memory integrity, secure boot, and access control management.

OPTIGA™ Trust P    —    SLJ 52ACA150A1 VQFN32


  • 16-bit Security Controller with Built-in MMU and Encrypted Bus
  • 150k User Memory
  • Common Criteria EAL 5+
  • Unique Chip ID
  • HW Symmetric & Asymmertic Crypto Engine


Supported Cryptography:

  • JavaCard 3.0.4 OS
  • Global Platform 2.2.1
  • Global Platform ID Configuration 1.0
  • Supports ECC521, RSA2048, TDES, AES


  • Industrial Control Systems
  • Home Automation
  • Consumer Electronics
  • Medical Electronics


Infineon Optiga TPM chips

The Trusted Platform Module (TPM) is a specific protected and encapsulated microcontroller security chip based on the TCG specification.

With support for standard or extended temperature ranges, the products of the OPTIGA™ TPM family meet the requirements for computing, industrial, and embedded applications.


  • Advanced Crypto Engine (ACE) with RSA Support up to 2048 bit Key Length
  • Hardware Accelerator for RSA, ECC, SHA-1 and SHA-256 Hash Algorithm
  • Protection Against Dictionary Attack
  • Over/Under Voltage Detection
  • Low Frequency Sensor
  • High Frequency Filter
  • Reset Filter
  • Memory Encryption/Decryption (MED)
  • Additional Security Features



  • Notebooks/PCs/Tablets/Servers
  • Networking Components
  • Industrial Automation
  • Single Board Devices
  • Home Automation
  • Automotive

SLB9645 - TPM 1.2

  • Compliant to TPM 1.2 Rev.116
  • I2C Interface up to 400 kbps
  • Additional Software for Linux Available, e.g. TrouSerS, jTSS
  • Support for Wide Temperature Range -40°C to +85°C
  • Support of Low-Power and Standby Mode
  • Support of Software and Hardware Physical Presence


Green Packages

  • Small Low Profile TSSOP-28 Package
  • Small Low Profile VQFN-32 Package


Trust P Demo Kit

  • OPTIGA™ Trust P Board
  • Host Controller Board
  • Connection Cables
  • Demo Utility Software (PC)
  • Demo System User Guide
  • OPTIGA™ Trust P Product Brief


Trust (SLS 10ERE)

  • Based on IFX XMC4500
  • Built-in JTAG interface for Debugging
  • IDE with free License (HiTOP)
  • USB: Simulated Host, Windows based GUI (For Demo)



  • Plug-in Board (IRIDIUM) for the RaspberryPi, BeagleBoard-xM
  • Documentation
  • Plug-in Board (Xenon) for x86 motherboard based systems with LPC interface

Trust E (SLS 32AIA)

  • XMC4500 Relax Kit with Extension Board include OPTIGA ™ Trust E
  • Includes all required Cables, Software & Documentation
  • Linux Device Driver Integrated in Standard Kernel from v3.10 on
  • Additional Software for Linux Available, e.g. TrouSerS, jTSS
  • Support for Wide Temperature Range -40°C to +85°C
  • Support of Low-Power and Standby Mode
  • Support of Software and Hardware Physical Presence



IoT security brochure

Download IoT Security Brochure



OPTIGA Trust P demo kit

OPTIGA™ Trust P Programmable Authentication and Security Solution. Application Kit For OPTIGA Trust P Family Products

OPTIGA Trust P Demo Kit