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Implement the best of PQC

Post-quantum cryptography is no longer optional, it is the only one capable of withstanding quantum attacks. With CryptoNext Security’s Quantum Safe Library, adopt a state-of-the-art solution that guarantees the highest level of protection.
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The New Standard in Cryptography

The Quantum-Safe Library by CryptoNext Security is the first post-quantum cryptographic library in the European Union to receive NIST validation for all three standardized algorithms.

Quantum-Safe Library

A State-of-the-Art Post-Quantum Library

With post-quantum cryptography come new challenges related to reliability, security, performance, size, and resource usage. As a result, the control and quality of cryptographic implementations—from source code to compiled binaries—have never been more critical. The Quantum-Safe Library meets this demand with an award-winning design that is fully controlled end-to-end, includes all standardized algorithms, and is portable across all types of environments.

  • Safeguard the confidentiality, authenticity, and integrity of your data and communications.
  • Protect yourself against quantum cryptanalysis attacks
  • Secure your systems against timing and side-channel attacks
  • Stay ahead of threats by integrating new standardized algorithms the day they are officially released
  • Leverage CryptoNext Security’s expertise to deploy the library within your IT infrastructure
  • Ensure the ongoing security compliance of your cryptography through our continuous security monitoring
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Key Features

  • Key exchange (ML-KEM, FrodoKEM) and signature (ML-DSA, SLH-DSA, Falcon, XMSS) algorithms
  • Developed in C, C++, and Assembly
  • Wrappers Go, Rust, Python and Java
  • Random number generator provided to the library as a parameter
  • Crypto-agile API
  • Protection against pre- and post-compilation timing attacks
  • Available in three versions: Standard, Embedded (low memory footprint), and Side-Channel Attack
  • Resistant (with masking)
  • Can be integrated with a wide range of general-purpose or embedded platforms
  • Validated by the NIST CAVP program for the 3 standardized algorithms ML-DSA, SLH-DSA, and ML-KEM
To CAVP

An Industry Leader

Prix de l'innovation des Assises de la Cybersécurité
IDC Innovator
Post Quantum Cryptography Coalition (PQCC)
Use Case

Protecting Sensitive Communications with Post-Quantum Messaging

To address sovereignty and resilience challenges posed by the quantum threat, NATO partnered with CryptoNext Security to enhance an open-source messaging application. The goal was to deliver truly secure end-to-end communications—voice, video, and messaging—by adding a quantum-resistant cryptographic layer and dedicated group features. CryptoNext Security integrated its Quantum Safe Application (QSA) plugin into the messaging platform, while the organization’s technical teams conducted functional and stress testing.

25+ Years of Post-Quantum Research

Backed by our internationally recognized expertise, we are at the forefront of the NIST standardization efforts.

20+ Implemented Use Cases

We have successfully deployed our post-quantum solutions in the banking, finance, defense, energy, aerospace, and public sectors.

Top 5 PQC Leader

CryptoNext Security is recognized as a leading player in PQC by ABI Research, Bain Capital Ventures and IDC Innovators.

The Quantum-Safe
Crypto Agile Suite

Quantum computing is making today’s cryptography obsolete. To stay secure, businesses must now assess and upgrade their systems with quantum-safe solutions.

CryptoNext Toolbox

PQC Evaluation Toolbox

Test the post-quantum impact on your systems through custom prototypes tailored to your use cases. Compare, simulate and build the expertise needed to structure your migration strategy.

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CryptoNext Compass

Cryptographic Discovery

Gain visibility with our comprehensive discovery platform. Inventory and analyze your cryptographic assets to ensure a successful post-quantum transition while maintaining regulatory compliance.

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CryptoNext Captain

Cryptographic Policy Management

Automate and centralize the management of your cryptographic policies. Adapt quickly to evolving standards and threats with crypto-agile governance.

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Why Now Is The Time To Migrate To PQC

There is broad consensus that post-quantum cryptography has become a strategic imperative. Yet many organizations fall into the trap of “crypto-procrastination,” delaying the transition due to time constraints or perceived complexity. This inertia carries significant risks: waiting increases exposure, erodes competitiveness and jeopardizes compliance with upcoming regulatory requirements. To safeguard long-term security, it is essential to make post-quantum cryptography a top priority now.

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Harvest Now Decrypt Later: Your Data May Already Be Compromised
Malicious actors are already intercepting and storing encrypted data today with the intent to decrypt it once quantum computers become available. This scenario is known as “Harvest Now, Decrypt Later.” To mitigate this risk, sensitive data with long lifespans (exceeding 10 years) must be protected immediately using post-quantum cryptography to ensure its long-term confidentiality.

Products Designed Today Must Be Protected Tomorrow
The lifespan of systems requires a long-term security mindset. Products designed today—industrial equipment, connected devices, embedded systems—will remain in service for 10 to 20 years. Once deployed, updating their cryptography is often impossible. Incorporating post-quantum algorithms starting in the design phase is the only way to ensure lasting security against the arrival of quantum computers.

Regulations: The Countdown Has Begun
In response to accelerating technological and algorithmic advances, regulators and national security agencies have moved up their timelines. The NIST mandates 2035 as the deadline for the use of traditional cryptography in the public sector. In Europe, agencies such as ANSSI (France), BSI (Germany), and NCSC (UK) have established similar frameworks to encourage organizations to accelerate their transition to post-quantum cryptography. Their message is clear: migration to PQC can no longer be delayed.

PQC Migration is a Decades-Long Transformation Project
Cryptographic migrations are inherently lengthy processes. Experts estimate that the transition to post-quantum cryptography will take at least a decade due to the complexity and time required to implement such changes. Historical precedents have demonstrated just how challenging these migrations can be to complete. With the 2035 deadline agreed upon by regulatory and national security agencies worldwide, there is little room for delay — organizations must begin their migration now and move quickly.

Standardization and PQC Enter the Operational Phase
In August 2024, NIST released the first three post-quantum cryptography standards following a collaborative effort involving international research teams: ML-KEM (FIPS 203) for key exchange, ML-DSA (FIPS 204) for digital signatures and SLH-DSA (FIPS 205), a hash-based alternative. These algorithms provide a strong foundation for organizations to build their quantum-resistant security strategies.

Staying Competitive in the Post-Quantum Era
Major technology players such as Google, Cloudflare, and Microsoft have already integrated post-quantum cryptography (PQC) technologies into their systems. They are setting a market standard that will influence the broader digital landscape. Failing to incorporate PQC into products or services, or to implement protective measures within IT and OT systems, poses a significant risk of falling behind—especially as security becomes a key selection criterion for clients. Digital trust will no longer be optional but a fundamental requirement.

To address quantum risk, embrace crypto-agility

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