Sealsq Expanding its Patent Portfolio in Post-Quantum Security

Sealsq Corp., a company specializing in semiconductors, PKI, and post-quantum technology hardware and software products, announced that it has strategically expanded its patent pool, aiming to strengthen its leadership in securing the digital landscape against emerging quantum threats, a significant milestone in its commitment to post-quantum cryptography.

As quantum computing rapidly advances, traditional encryption methods face increasing risks of obsolescence. Recognizing this paradigm shift, the company has proactively developed and patented innovative technologies designed to counteract the vulnerabilities posed by quantum adversaries. The firm’s expanded patent portfolio underlines its commitment to pioneering robust security solutions for the post-quantum era.

The company is collaborating with NCCoE in the Migration to Post-Quantum Cryptography Building Block Consortium which aims to bring awareness to the issues involved in migrating to post-quantum algorithms and to develop practices to ease migration from current public-key algorithms to replacement algorithms. ^(*)

Sealsq has built an extensive and strategically important patent portfolio, primarily focused on secure microcontroller technologies and related applications that enhance cybersecurity in IoT, identity management, and digital transactions. The patents cover innovations in semiconductor security, cryptographic key management, and anti-tampering mechanisms. Below is an expanded summary of key areas covered in Sealsq’s patent portfolio:

1. Secure Microcontrollers and Cryptographic Processing

• Sealsq’s patents include advancements in secure microcontroller architecture, ensuring data protection in devices ranging from smart cards to IoT sensors.
• Cryptographic processing methods and secure storage of encryption keys are critical components of their patented technologies.
• These innovations help safeguard financial transactions, digital identity verification, and secure access control systems.

2. RFID and NFC Security Technologies

• Several patents relate to RFID-UHF (Ultra High Frequency) integrated circuits, which are widely used in logistics, supply chain tracking, and secure authentication.
• Innovations also include NFC (Near Field Communication) security protocols to prevent unauthorized access to mobile payments, transportation systems, and identity verification mechanisms.
• The patents also address security enhancements for GSM radiocommunication devices with integrated UHF tag readers, allowing more efficient and secure wireless communications.

3. Semiconductor Chip Protection Against Physical Attacks

• The company has developed patented solutions for protecting semiconductor chips from physical tampering, side-channel attacks, and power analysis techniques used by hackers to extract sensitive information.
• These security mechanisms ensure that devices such as smartcards, passports, and IoT sensors maintain integrity even under extreme conditions.
• Methods for preventing fault injection attacks (such as laser or electromagnetic manipulation) are also covered, making Sealsq’s chips highly resistant to advanced cyber threats.

4. Post-Quantum Cryptography and Next-Gen Security

• With the emergence of quantum computing threats, Sealsq is pioneering post-quantum cryptographic solutions.
• Their patented technologies focus on designing hardware solutions that support quantum-resistant encryption algorithms, ensuring long-term security for sensitive data and communications.
• This is particularly important for industries such as defense, government cybersecurity, and financial institutions that need future-proof encryption methods.

5. Secure Clock Frequency Adjustment in Integrated Circuits

• Some of the firm’s patents focus on methods for adjusting clock frequencies in microcontrollers and integrated circuits, optimizing both power efficiency and security.
• These patents contribute to tamper resistance by making it harder for attackers to manipulate processing speeds in order to exploit vulnerabilities.

6. Geographic Coverage of Patents

• Sealsq’s patents are granted in multiple jurisdictions, including:
  • United States
  • France
  • Germany
  • United Kingdom

• This extensive patent coverage ensures that Sealsq’s innovations remain protected in key technology markets.

7. Application Areas and Market Impact

• The patented technologies are applied in various industries, including:
  • Cybersecurity & IoT: Secure authentication for connected devices.
  • Finance and Banking: Protection of payment systems and contactless transactions.
  • Government and Defense: Secure identity verification and encryption technologies.
  • Healthcare: Protection of medical devices and patient data.
  • Automotive: Secure communication between connected cars and IoT infrastructure.

Conclusion
Sealsq’s patents represent a foundation for the future of secure semiconductors, cryptographic processing, and post-quantum security solutions. These innovations help protect critical infrastructure, enable secure IoT ecosystems, and provide resilience against evolving cyber threats. Their work in hardware-based security solutions positions Sealsq as a key player in the semiconductor security industry.

Critical Step Towards Quantum-Resistant Security
The company’s research and innovation initiatives focus on integrating post-quantum cryptographic (PQC) algorithms into its semiconductor and cybersecurity product lines. The firm‘s patent portfolio covers key advancements, including:

• Quantum-Resistant Cryptographic Implementations: Enhancing the security of IoT devices, secure elements, and digital identity solutions to withstand quantum-based attacks.
• Secure Key Management Solutions: Developing novel key exchange and storage mechanisms that leverage post-quantum algorithms.
• High-Performance Post-Quantum Authentication Chips: Enabling governments, enterprises, and critical infrastructures to adopt future-proof security solutions.
• Optimization of CRYSTALS-Kyber and Other NIST-Standardized Algorithms: Implementing efficient cryptographic techniques tailored for constrained environments, such as smart cards and embedded systems.

Global Recognition and Industry Impact
With the world increasingly focusing on post-quantum security, the company’s technological advancements have gained recognition from global institutions and regulatory bodies. The company actively collaborates with leading academic and industry partners to accelerate the standardization and deployment of PQC solutions.

“The expansion of our patent portfolio in post-quantum cryptography underscores Sealsq’s dedication to staying at the forefront of cybersecurity innovation,” said Carlos Moreira, sounder and CEO, Sealsq. “As quantum computing evolves, we are ensuring that enterprises, governments, and individuals can transition seamlessly to a quantum-secure future.”

Future-Proofing Digital Security
Sealsq’s commitment to post-quantum cryptography aligns with its broader mission to deliver end-to-end, sovereign cybersecurity solutions. The company continues to integrate PQC capabilities across its semiconductor chips, secure microcontrollers, and trusted hardware devices, providing clients with long-term protection against emerging threats.

As governments and enterprises prepare for the quantum transition, Sealsq remains a trusted partner in navigating the complexities of cryptographic migration. The firm’s expanding patent portfolio not only strengthens its market leadership but also contributes to the global advancement of quantum-resistant security solutions.

^(*) NIST does not evaluate commercial products under this Consortium and does not endorse any product or service used. Additional information on this Consortium can be found at this webpage.

Resource:
Full portfolio here