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SEALSQ launches an end-to-end post-quantum security stack to protect quantum architects.

NASDAQ SEALSQ Quantum News

SEALSQ Corp (NASDAQ: LAES) launched its Quantum-Resilient Vertical Security Stack amid the worldwide quantum supremacy race. This complex hardware and software suite was designed to protect enterprises building the first viable quantum computers and their infrastructure.

The Key Cybersecurity Change

With the industrialization of quantum computing, a major technological milestone has been attained. These powerful machines could revolutionize materials research, artificial intelligence, medicine, and financial modeling, but they also pose unprecedented cybersecurity concerns. Traditional cryptography methods like Elliptic Curve Cryptography (ECC) and RSA are becoming more vulnerable to quantum computing.

SEALSQ's new vertical technique integrates security into hardware and system designs from the bottom up to mitigate these vulnerabilities. By adding post-quantum cryptography and a silicon Root of Trust, the company helps developers build “secure-by-design” systems. This reduces the risks and technological debt of retrofitting security into existing systems.

Security in Four Pillars

For quantum system lifetime protection, SEALSQ offers four integrated service modules, from cloud orchestration platforms to processor control electronics:

Hardware underpins quantum systems

This module gives cryogenic controllers and quantum processors hardware identities. TPM and SEALSQ safeguard the module for safe booting and device authentication. HSMs secure key storage and lifecycle management, and tamper-resistant system integrity monitoring are included.

Infrastructure Using PQC

SEALSQ implements NIST-standardized PQC stacks CRYSTALS-Dilithium (FIPS 204) for digital signatures and CRYSTALS-Kyber (FIPS 203) for secure key exchange. These stacks protect control networks and communications from quantum-enabled attacks via classical-quantum interfaces. Some hybrid protocols combine quantum and traditional security's finest qualities.

Safety Semiconductor Structures for Electronic Control

SEALSQ is directly integrating secure ASIC architectures into quantum computers, which use classical electronics for error correction and orchestration. High-speed data gathering equipment with Root-of-Trust and qubit readout devices with PQC capability are included. These components can be customized using SEALSQ's OSAT infrastructure.

Secure Access Quantum Computing as a Service As the market moves to cloud delivery, SEALSQ provides QCaaS platform identification and communication. This module provides secure execution contexts and processor endpoint access control. It ensures that forthcoming commercial platforms meet important regulatory standards as NSA CNSA 2.0 and NIST post-quantum migration schedules.

“Quantum computers will redefine the limits of computing, but they will also redefine cybersecurity risks,” said SEALSQ CEO Carlos Creus Moreira, hinting a possible strategic relationship. He noted that SEALSQ can now secure from the silicon Root of Trust to the Qbit-level, but organizations creating these technologies must ensure their foundations are reliable.

With its cybersecurity technology in over 1.7 billion devices, SEALSQ enters this new area with experience. These devices safeguard government networks, medical platforms, IoT, and smart home systems. By expanding into quantum computing, SEALSQ aspires to become the top strategic partner for enterprises pushing next-generation computing.

Future-focused strategic partnership

The rapid rise of quantum risk increases this goal's urgency. SEALSQ wants the “quantum era” to be digital and robust. They are creating post-quantum semiconductors for industrial automation, smart energy, and multi-factor authentication tokens.

Unclonable encryption

The Perimeter Institute and University of Waterloo have shown that data may be encrypted in a way that is impossible to copy, a major advance in quantum information science. The “no-cloning” principle of quantum mechanics is used in uncloneable encryption to provide security that classical computers cannot match.

Digital security has relied on computational assumptions that some mathematical problems are too tough for modern computers to solve for decades. As quantum computing advances, many of these classical precautions are at risk. Archishna Bhattacharyya and Eric Culf's new study suggests a novel security system based on physics rather than computer processing power.

No More “Copy-Paste”

In classical times, digital communications could be copied accurately. An opponent who intercepts a ciphertext can copy and save the data for examination. However, quantum mechanics forbids this. The no-cloning principle states that an unknown quantum state cannot be copied independently and identically.

Uncloneable encryption goes further. Classical communications are encoded into quantum “ciphertext” to prevent two adversaries from decrypting them even if they get the encryption key. This is shown in a high-stakes security game with Alice as the referee and Bob and Charlie as cooperative but non-interacting "pirates."

Alice sends the pirates quantum state. Pirates then transfer quantum information via a “pirate channel”. Alice reveals the encryption key when they are separated and cannot communicate. Bob and Charlie should not be able to guess the original message if the encryption is uncloneable.

A “Plain Model” Innovation

Uncloneable encryption was previously established, but cryptographers have yet to prove its security. Most prior security proofs used the "quantum random oracle model," a heuristic. Other methods required specific, unproven quantum game conjectures.

First, uncloneable security in the “plain model” without computational assumptions was demonstrated. The researchers focused on “Haar-measure encryption of a bit”. Alice chooses a random basis from the Haar measure to determine a really random path in quantum space and prepares a state based on whether she wants to convey a “0” or a “1”.

Scientists call it information-theoretic security. Show that as the system's complexity (or “dimension”) increases, the probability of both pirates winning the game reduces to 50%, which is a random estimate.

Strength of “Decoupling”

Decoupling is the mathematical “secret sauce” of this proof. If Alice and Bob are substantially entangled, Charlie must be “decoupled” from them in quantum systems. This is called entanglement monogamy.

The researchers utilized the decoupling theorem to explain that if Bob understands the message, Charlie is “locked out” since his system becomes statistically independent of Alice's. A “one-shot” variation of this theorem showed that pirates cannot escape this fundamental physical restriction regardless of their method.

Authorities say this is a big success since it allows efficient buildings. Although a fully Haar-random system is difficult to build, the researchers showed that unitary 2-designs like the Clifford group, which can be implemented on quantum hardware, can provide the same security.

Considering the Future

The current proof only encrypts one bit, but the repercussions are immense. Any-length messages can be encrypted with its secure “uncloneable bit”.

However, work continues. The researchers call their current achievement “weak uncloneable security” since security increases at an inverse-polynomial rate as the system grows. The ultimate goal is "strong uncloneable security," where a successful assault is inconsequential.