Smart card OS platform
Java Card (JCOP) Smart Cards
Multi-Application Platform
Quick answer
Java Card smart cards run multiple certified applications on one chip behind an open-card-framework OS - banking-grade security silicon repurposed for corporate ID, transit and closed-loop programs. Factory-direct supply with custom print and personalization profiles.
- One chip, several applications: a Java Card hosts independent applets (access, e-purse, ID) with firewall separation managed through GlobalPlatform-style secure issuance - no more one card per system.
- Banking-grade silicon lineage: JCOP-family Java Card platforms come from the same certified silicon supply chain that powers payment and eID programs, with strong crypto (RSA/ECC/AES) on-chip.
- Factory-direct from Proud Tek: card body, printing and chip personalization profiles handled in-house - MOQ 500 per chip type with written quotes and lead times held before tooling.
At a glance
Use these short answers to decide whether this page matches the project before moving into the detail.
Platform
Java Card is an open smart-card OS platform: applications (applets) are written once and run on any conforming card, isolated from each other by the card firewall. Card...
Hardware envelope
CR80 (ISO/IEC 7810 ID-1) card body, PVC or composite; contact pad per ISO/IEC 7816-2. Dual-interface options: contact (ISO 7816) + contactless (ISO/IEC 14443 Type A or B...
Next step
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Request Java Card samples & quote- Security model
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- On-chip cryptographic coprocessor for RSA/ECC/AES and secure hashing - keys never leave the chip.
- Platform family (JCOP lineage) ships from certified silicon programs used in payment and eID deployments; Common Criteria evaluation level varies by exact platform - confirmed per batch before ordering.
Commercial terms
- MOQ
- Varies by SKU — stock items from 100 pcs; custom production typically 200-1,000 pcs
- Lead time
- Production 2-3 weeks after artwork and encoding sign-off; reorders on a 3-4 week cycle
- Samples
- Free samples and RF test report with every order; courier at customer cost
- Payment
- 50% T/T deposit, 50% before shipment; Net 30/60 for established accounts; LC for large orders
- Shipping
- FOB Shenzhen / Yantian; DHL, FedEx or EMS air freight; sea LCL / FCL for volume
- Response
- Itemized quote within one business day, Mon-Fri (UTC+8)
What a Java Card is - and who actually needs one
A Java Card is not a chip - it is a chip plus an operating system that hosts software. Where a MIFARE Classic or NTAG card does exactly one fixed job, a Java Card is a small computer on which independent applications live side by side, each walled off from the others. That architecture is why banks, governments and transit authorities standardized on it - and why corporate campuses running several systems on one badge end up here too.
The practical test: if your program needs one credential to do two or more security-relevant jobs (building access + cashless + computer login), or your security policy demands applet-level isolation and cryptographic keys that never leave the chip, you are in Java Card territory. If the job is a single door-access or tap-marketing function, a fixed-function chip is cheaper and simpler - and we will tell you so rather than upsell.
Java Card vs fixed-function chip cards - the decision table
Both families have their place. The honest comparison:
| Dimension | Java Card (JCOP family) | Fixed-function (MIFARE Classic/DESFire, NTAG) |
|---|---|---|
| Applications per card | Multiple applets, firewall-isolated | One fixed function per chip |
| Crypto on chip | RSA/ECC/AES coprocessor, keys in secure storage | Symmetric (3DES/AES) per chip generation |
| Typical programs | Banking, eID, transit, multi-app corporate ID | Access control, events, loyalty, item tracking |
| Issuance complexity | Applet loading + key management (secure issuance) | Simple encoding at personalization |
| Card cost tier | Highest | Low to mid |
| Best when | One credential must serve several systems with isolation | One system, one job, scale matters |
Typical deployments we supply into
- Corporate multi-application badges: physical access, PC logon and e-purse on one card, each applet provisioned by its own system owner.
- Transit and closed-loop payment pilots: applet-based fare media where the wallet application can be updated without reissuing plastic.
- Government and campus ID: card-edge support for PKI applets used for digital signing alongside the physical credential.
- Banking-adjacent programs: JCOP-family platforms are the same silicon lineage used in payment cards - supplied for non-payment uses such as staff ID on bank premises.
Factory personalization - where Proud Tek fits
We supply the card: body, print, and chip personalization up to the profile you define - card manager keys are exchanged through your trusted issuance channel, and applet loading stays under your authority. For teams without their own issuance stack we work with your integrator; for teams that do, we deliver blank-personalized cards keyed to your profile with full batch traceability.
Every batch ships with the verification report your security team will ask for: chip platform and firmware batch, unique-ID register dump format, and print QC against the approved artwork.
Ordering checklist - specify these before you ask for a quote
Five lines that keep a Java Card RFQ from stalling:
- Target platform family (e.g. JCOP-lineage generation) or the functional floor you need - we will map it to available silicon.
- Interface: contact-only, contactless, or dual-interface; and the air protocol (14443 A/B).
- Applet plan: which applets, loaded by whom (your integrator vs pre-loading at factory under NDA).
- Certification requirement: whether your program mandates a specific Common Criteria level - availability is platform-dependent and confirmed before quoting.
- Card body and print: CR80 PVC/composite, artwork, and any laser personalization fields.
Useful next pages
Use these linked product, guide and comparison pages to keep the next click specific and practical.
Compare with fixed-function chips
Where a simpler chip does the job better and cheaper.
Platform reading
Primary documentation for the Java Card platform and issuance model.
Authentication applets
A FIDO2 authenticator is a common Java Card-class applet - see our FIDO2 + DESFire badge.
FAQ
Is a Java Card the same as a MIFARE DESFire card?
No. DESFire is a fixed-function chip: excellent at its one job (secure access/authentication), with its memory layout fixed by NXP. A Java Card hosts multiple applets behind a card OS with firewall isolation - different architecture, higher cost tier. If one system does everything you need, DESFire is usually the better buy; if one card must serve several systems securely, that is the Java Card use case.
Can Proud Tek load our applets at the factory?
Yes, under NDA: applet loading and key injection are handled inside your trusted issuance chain - either your integrator loads applets on blank-personalized cards we ship, or we execute the loading script you provide with keys exchanged through your secure channel. Batch traceability and verification reports ship with every order.
What is the MOQ and lead time for Java Cards?
500 pieces per chip type as with our other smart cards, with written quotes and lead times held before tooling. Platform availability varies by generation - confirmed against current silicon stock before we quote.
Do Java Cards work in our existing readers?
On the contactless side, JCOP-family cards present ISO/IEC 14443 Type A or B - but the applet defines what the reader can actually do, so compatibility depends on your application layer, not just the air interface. Send us your reader platform and applet plan and we will confirm before you order.
Sources & references
Primary standards, OEM datasheets and regulatory documents cited by this article. All URLs were verified on the access date shown below.
- Oracle - Java Card technology documentation
Platform definition: applets, firewall isolation, card OS architecture
- GlobalPlatform - secure channel & card issuance specifications
Card content management and secure issuance protocols referenced by the platform
Proud Tek is a Shenzhen-based RFID & NFC manufacturer supplying hotel chains, transit operators, event venues and retail brands worldwide. Every order includes free samples, RF testing and dedicated project support.
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