Memory Card (Synchronous)
ContactSimple EEPROM-based card without a microprocessor, used for low-cost applications like prepaid phone cards and parking tokens.
Quick Specs
Contact전체 사양
하드웨어
| 인터페이스 | Contact |
| 칩 유형 | Memory |
| 운영 체제 | None (Memory Card) |
통신
| 프로토콜 | Synchronous 2-wire/3-wire |
| 확장 APDU | 아니오 |
| 논리 채널 | 1 |
보안
| EAL 레벨 | Not Evaluated |
| 보안 요소 | 예 |
| 변조 방지 | 예 |
| 암호화 보조 프로세서 | 예 |
| 생체 인식 지원 | 아니오 |
자주 묻는 질문
Consider four key factors: interface type (contact, contactless, or dual-interface), security requirements (EAL certification level), application domain (payment, identity, transport), and chip platform (JavaCard, MULTOS, native). For EMV payments, dual-interface cards are now standard. For government eID, EAL5+ certified cards are typically required.
Contact smart cards require physical insertion into a reader and communicate via the ISO 7816 interface (gold contact pads). Contactless cards use radio frequency (ISO 14443) and work within a few centimeters of a reader. Dual-interface cards combine both interfaces on a single chip, offering maximum flexibility.
EAL (Evaluation Assurance Level) is part of the Common Criteria framework for evaluating IT security. For smart cards, EAL4+ is common for payment cards, while EAL5+ or EAL6+ is required for government identity documents and ePassports. Higher EAL levels indicate more rigorous security testing and formal verification methods.