Campus Card Credential Technologies: A Capability-Based Comparison
A vendor-neutral comparison of 13.56 MHz campus credentials by reader support, authentication, key management, mobile readiness and migration risk
How this guide is reviewed
CampusRFID reviews technical guides against standards and official documentation. Where a source list appears, it identifies the primary references used. Card and reader compatibility should still be verified with a sample on the institution's installed system.
Choosing a campus credential is a systems decision, not a chip-label decision. The same 13.56 MHz frequency can support very different security models, and a standard alone does not guarantee that a card will work with an installed reader, controller or campus platform.
Compare what the reader validates
UID-only credentials expose a public identifier and therefore rely on backend controls such as revocation and anomaly detection. Legacy sector-memory credentials add keyed memory but may use cryptography that no longer meets the current threat model. AES-authenticated credentials can support mutual authentication, protected files and diversified keys, but only when the reader, personalization process, key storage and backend use the protected application. A secure-capable card read only by UID still behaves as a UID token.
Physical, mobile and migration requirements
A physical chip does not automatically provide Apple Wallet, Google Wallet or mobile-access support. Document reader models and firmware, UID format, applications and keys, memory needs, mobile roadmap, legacy constraints and key ownership. Test finished encoded samples on representative doors, dining terminals, libraries and other critical readers before production.
Compare campus card requirements before choosing a chip
| Requirement | UID-based identification | Protected application credentials |
|---|---|---|
| Reader support | Confirm identifier length, byte order and output format | Confirm application support, authentication and reader firmware |
| Key management | A public UID is not a secret | Define key ownership, secure personalization and key rotation |
| Campus services | Confirm the backend maps the identifier to the correct user | Define each application, its data and access rights |
| Migration | Test old and new readers; a shared frequency is insufficient | Test applications and keys as well as the card and reader |
| Acceptance | Verify enrollment, normal use, revocation and replacement | Verify those workflows plus authenticated application access |
Contact CampusRFID with your reader inventory and data requirements for a capability-based specification and validation plan.
Primary sources
Standards, regulations, and first-party technical documentation consulted for this review.
- FIPS 197 — Advanced Encryption Standard (AES) — National Institute of Standards and Technology
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