Kev Loj Hlob Ntawm Sam Card, Post, Daim ntawv esam, Isam card

The SAM card (Secure Access Module) is the core of security control in smart card application systems. A SAM card is a special CPU card that stores the key and the encryption and decryption algorithms.
There are many types of SAM cards:
Post: terminal security control module, generally used for micropayment deduction.
ESAM: A manufacturers (txoj hau kev) SAM card used for authentication of devices.
ISAM: used to recharge.
In the specific implementation, it will be more diverse. Piv txwv li, some devices are authenticated not with ESAM cards, but with dedicated modules. As a result, there is the problem that keys are implemented in software, thiab tej zaum yuav muaj qhov tseem ceeb, Thiab ib txoj hauv kev los daws cov teeb meem no yog khaws ntau cov yuam sij ntawm cov yuam sij thiab qhia ib txheej ntawm cov yuam sij hauv tus lej.
Cov ntawv tshaj tawm ntawm daim npav dog dig feem ntau siv cov txheej txheem ntawm encrypting lub cim card tus lej nrog tus yuam sij.
Ib yam li daim npav ID ntawm daim npav nyeem ntawv, Daim npav sam thiab daim npav nyeem yuav raug suav tias yog ib qho, thiab sam card yuav tsum siv rau uploading, Hloov kho, thiab lub hwj chim-ntawm kev pom zoo ntawm daim npav nyeem ntawv. Sam phaib feem ntau ntsia rau ntawm cov khoom seem ntawm Smart Cards, Raws li kev ruaj ntseg tswj ntawm Smart Card Terminals, Yuav kom ua tiav kev ua raws li kev lees paub ntawm cov khoom lag luam thiab phaib, thiab tuaj yeem siv dav siv hauv nroog ib daim npav rho nyiaj, Kev tsim kho ib daim npav ib daim npav, Tus Paub Txog Tus Kheej, Kev Tswj Xyuas Kev Ruaj Ntseg, rov ntxiv, Kev yuav khoom me me thiab lwm daim ntawv thov.

Hauv daim npav ntse chaw tsim khoom tuaj yeem ntim RFID nti ntau lawm LF / HF / UHF nti daim npav los ntawm cov khoom siv PHA
Kev Lag Luam Nyiaj Txiag
POS TU
Kev Them Nyiaj Npav
Kev Nyab Xeeb Tsheb
Cov ntaub ntawv pov thawj kev ruaj ntseg