Infineon OPTIGA™ Family

Authentication & device security and Trusted Computing

The OPTIGA™ 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.

Infineon OPTIGA components hovering above a city

Trust X

As embedded systems (e.g. IoT devices) are increasingly gaining the attention of attackers, Infineon offers the OPTIGA™ Trust X as a turnkey security solution for industrial automation systems, smart homes, consumer devices and medical devices. Utilizing the Public Key Infrastructure, this high-end security controller comes with full system integration support for easy and cost-effective deployment of high-end security for your assets.

The OPTIGA™ Trust X is based on an advanced security controller with built-in tamper proof NVM for secure storage with Symmetric/Asymmetric crypto engine to support ECC 256, AES-128 and SHA-256.

The OPTIGA™ Trust X covers a broad range of use cases necessary for many types of applications.

  • Network node protection such as TLS or DTLS
  • Protect the Authenticity, Integrity and Confidentiality of your product, data and IP
  • Mutual Authentication
  • Secure Communication
  • Data store Protection
  • Lifecycle Management
  • Platform Integrity Protection
  • Secure Updates


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


The Infineon OPTIGA™ TPM (Trusted Platform Module) family is a standardized security controller family which provides a wide range of security functions for embedded platforms. As the leader of Trusted Computing solutions Infineon offers a broad range of products meeting your specific requirements.

Security and functionality of all OPTIGA™ TPM products are based on Infineon’s advanced hardware security technology. The products are designed according to the Trusted Computing Group (TCG) specifications and are certified Common Criteria1) CC EAL4+. The security functions include system and data integrity, authentication, secured communication, secured data storage and secured updates.

Infineon OPTIGA™ TPM

OPTIGA™ TPM    —   SLB9670, SLB9665


  • High-end security controller with advanced cryptographic algorithms implemented in hardware (e.g. RSA & ECC256, SHA-256)
  • Common Criteria (EAL4+) and FIPS security certification
  • Security certified supply chain
  • Official TPM product listed at Trusted Computing Group
  • Flexible integration predicated on SPI, I2C or LPC interface support
  • Extended temperature range (-40 to +85°C) for a variety of applications
  • Firmware upgrade capability
  • VQFN-32 & TSSOP-28 package
  • Built-in True Random Number generator, Tick-Counter, Dictionary Attack Lock-out
  • Secure Storage and Management of Keys and Data
  • Platform protection for embedded systems with Measured/Trusted Boot
  • Strong Authentication of Platform and Users



  • PC and embedded computing
  • Network equipment
  • Industrial control systems
  • Home security and automation
  • Energy generation and distribution systems
  • Automotive electronics

Product Benefits

  • Reduced risk based on proven technology provided by the market leader
  • High confidence level based on common Criteria certification
  • Easy integration based on standardization

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.

  • 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
Infineon OPTIGA™ Trust B

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


IoT security brochure

Download IoT Security Brochure