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SEALSQ has announced VaultIC409, a secure element based on its QS7001 platform that is designed to support post-quantum algorithms alongside RSA and ECC. The company plans a TLS 1.3 demonstration in November 2026 and expects engineering samples in the second quarter of 2027; certification of the underlying platform is in progress.
SEALSQ has announced VaultIC409, a secure element built on its QS7001 platform and designed to support post-quantum cryptography alongside RSA and elliptic-curve cryptography. The company says the device targets markets served by its VaultIC408 product, offering existing customers a route to adopt newer algorithms without redesigning their hardware security foundation.
VaultIC409 is designed to support ML-KEM (FIPS 203) for key establishment and ML-DSA (FIPS 204) for digital signatures, as well as RSA and ECC. SEALSQ says the secure element combines a hardware Root of Trust, cryptographic agility and a dedicated accelerator for computationally intensive operations. It also includes a Serial Peripheral Interface (SPI) connection to communicate with a device’s host.
The company plans to demonstrate the product through a TLS 1.3 application at Electronica, scheduled for November 10–13, 2026. SEALSQ expects engineering samples to become available in Q2 2027, for customers and partners to evaluate and begin integration work. The announcement does not describe the product as generally available.
The underlying QS7001 platform is undergoing Common Criteria EAL5+ certification, according to the company. That is a certification process in progress, not a statement that VaultIC409 or the platform has already received the certification. SEALSQ has not provided performance figures, pricing or specific customer deployments in the material announcing the product.
Adding PQC to Existing Device Designs
VaultIC409 is aimed at manufacturers that may need to prepare products for cryptographic standards designed to withstand attacks from future quantum computers. A secure element can hold keys and perform sensitive cryptographic operations within a hardware-protected environment; supporting both established and post-quantum algorithms is intended to help devices maintain security as systems and requirements change.
The compatibility claim matters because changing a product’s hardware security design can require engineering work and affect product schedules. SEALSQ says VaultIC409 offers a path that avoids redesigning customers’ existing security foundation. Whether particular customers can adopt it with little or no redesign will depend on their device architecture, software and integration requirements, details not supplied in the announcement.
The product’s planned support for larger cryptographic data exchanges also addresses a practical issue: post-quantum keys, signatures and certificates can require more data than many traditional mechanisms. SEALSQ says its dedicated acceleration and SPI interface are intended to handle these workloads. No benchmark results or comparative measurements were included, so the announcement does not establish how the product performs in specific applications.
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VaultIC409 and the QS7001 Platform
VaultIC409 extends SEALSQ’s VaultIC secure element portfolio and is intended for markets including smart energy, industrial equipment and the Internet of Things. The company says it targets the same established markets as VaultIC408, while adding support for post-quantum algorithms. The announcement frames this as a product-design path for manufacturers preparing for future cryptographic changes, rather than as evidence that quantum computers can currently break RSA or ECC in deployed devices.
The standards named by SEALSQ are FIPS 203, which specifies ML-KEM, and FIPS 204, which specifies ML-DSA. The company describes the ability to use classical and post-quantum mechanisms together as useful for hybrid security architectures. Its announcement does not provide implementation details, supported algorithm parameters or a complete account of how hybrid configurations will work.
SEALSQ CEO Carlos Moreira said the product gives customers “a direct path to post-quantum security on a certified platform they already know.” In the same announcement, the company said the platform is undergoing certification; the statement about a certified platform should therefore be understood in light of that disclosed process, not as confirmation that EAL5+ certification is complete.
“VaultIC409 gives our customers a direct path to post-quantum security on a certified platform they already know.”
— Carlos Moreira, SEALSQ founder and CEO
hardware security module with post-quantum cryptography
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Certification and Product Details Pending
Several points remain unconfirmed or unspecified. Common Criteria EAL5+ certification is still underway for the QS7001 platform, and SEALSQ has not announced a completion date or provided a certification result. The company also has not published product pricing, performance benchmarks, power requirements, supported algorithm parameters or detailed compatibility and integration documentation.
VaultIC409’s samples are planned for Q2 2027, but the announcement does not give a date for volume production or general availability. Nor does it identify customers that have selected the product or confirm how much redesign a particular device maker would avoid. Those details will be necessary for manufacturers to assess deployment timelines and suitability.
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Electronica Demo and Sample Release
SEALSQ plans to demonstrate VaultIC409 in a TLS 1.3 application at Electronica from November 10–13, 2026. The demonstration is a planned showcase, not a report of independently verified performance or a customer deployment. Engineering samples are expected in Q2 2027, when customers and partners are expected to start evaluation and integration activities.
Further developments to watch include whether the QS7001 platform completes EAL5+ certification, when SEALSQ provides technical specifications and performance data, and whether the sample schedule or product availability changes. The company has not announced a commercial release date.
cryptographic hardware accelerator
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Key Questions
What is VaultIC409?
VaultIC409 is a SEALSQ secure element designed for connected devices. The company says it combines a hardware Root of Trust, cryptographic acceleration and SPI connectivity.
Which cryptographic algorithms is it designed to support?
SEALSQ says VaultIC409 is designed to support ML-KEM (FIPS 203), ML-DSA (FIPS 204), RSA and ECC. The announcement does not specify all supported parameters or implementation details.
When will VaultIC409 be available?
SEALSQ plans a demonstration at Electronica on November 10–13, 2026, and expects engineering samples in Q2 2027. It has not announced a general availability or volume-production date.
Has the QS7001 platform received EAL5+ certification?
Not according to the announcement: SEALSQ says the QS7001 platform is undergoing Common Criteria EAL5+ certification. It did not announce a completed certification.
Source: rss
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