STMicroelectronics launches ST54M mobile chip with PQC accelerator
STMicroelectronics has introduced the ST54M, a single-die secure mobile chip designed to help smartphone and personal-electronics manufacturers prepare for quantum-ready security requirements without sacrificing the breadth of connected services users already rely on. The Geneva-headquartered chipmaker announced the device on 24 June 2026, with sampling already under way and production targeted for July 2026.
The ST54M integrates four distinct capabilities on a single die: a hardware accelerator for post-quantum cryptography (PQC), an NFC controller, an embedded secure element, and an embedded SIM. That combination puts ST in a position to serve a wide roster of ecosystem participants, from mobile network operators and banks to transit authorities, car manufacturers, and digital-wallet providers, through a single certified platform.
The technology
At the core of the ST54M is a hardware engine supporting ML-KEM and ML-DSA, the lattice-based key encapsulation and digital signature algorithms that NIST finalised in its post-quantum cryptography standard in 2024. The choice of a dedicated hardware accelerator, rather than a software-only implementation, is significant: it allows PQC operations to be performed with resistance to side-channel and fault-injection attacks, which remain the dominant physical attack vectors against secure elements in mobile hardware.
The chip also features an enhanced RF front end designed to maintain stable NFC performance with smaller antenna configurations, which is relevant for increasingly compact and densely integrated handset designs. ST says the platform supports demanding use cases including mobile point-of-sale terminals and wireless charging, alongside more established applications such as contactless payments, transit ticketing, digital identity documents, and digital car keys.
Common Criteria 2022 EUCC and EMVCo certification testing has been completed, with formal certification targeted for July 2026. Those credentials matter commercially: EMVCo certification is a prerequisite for payment-scheme acceptance, and Common Criteria under the EU's EUCC scheme is increasingly referenced in European procurement and regulatory frameworks.
David Richetto, VP and Division General Manager of ST's Connected Security Group, said the ST54M gives device makers "a secure path to start preparing next-generation mobile experiences" by combining the PQC accelerator with the full suite of NFC, eSIM and secure-element functionality.
Market context and regulatory read-across
The ST54M arrives at an inflection point for the secure-element market. Industry bodies including GSMA, EMVCo and the FIDO Alliance have signalled that PQC readiness will become a baseline requirement for payment and identity credentials by around 2030, a timeline ST references explicitly as the rationale for shipping now. That four-year window is narrow given the certification cycles and OEM design timelines involved in bringing a new secure element to a shipping handset.
ST competes in the secure-element space with NXP Semiconductors, which has its own NFC and secure-element portfolio, and with Infineon Technologies in the embedded-SIM and identity-chip segments. Neither competitor has publicly announced a single-die product combining a dedicated PQC hardware accelerator with NFC and eSIM at this stage, though the broader semiconductor industry is moving quickly. Qualcomm and MediaTek integrate security enclaves at the SoC level, but discrete secure elements with independent certifications remain the preferred architecture for high-assurance applications such as government-issued digital identity and banking credentials.
On the regulatory side, the EU's eIDAS 2.0 regulation, which mandates interoperable digital-identity wallets for EU member states, is driving demand for certified secure-element hardware in mobile devices. The ST54M's combination of CC 2022 EUCC certification and PQC support positions it directly within the compliance requirements that European OEMs and wallet providers will face. In parallel, the US National Cybersecurity Strategy and NIST's migration guidance place a 2030 deadline on federal agencies to adopt post-quantum algorithms, creating a similar pull on the US market.
The broader transition from hybrid classical-and-PQC cryptography to full post-quantum deployment is still in early stages, and the ST54M is designed to accommodate both modes during the migration period. OEMs beginning design cycles now will be looking at devices shipping in 2027 and 2028, which makes the timing of ST's sampling programme directly aligned with those product roadmaps.