10-Numeru di bit è Relazione di Conversione di Numeru di 8 bit di a Carta di Cuntrollu d'Accessu

Di solitu in u sistema di cuntrollu di accessu, u numeru di carta 8-bit hè wiegand 26-bit output, u numeru di carta 10-bit hè wiegand34-bit output.
Per esempiu, stampa nantu à una carta:
0013961168 10-numeru di carta di bit,
o
213 02000 3+5 8-numeru di carta di bit.
10-numeru di carta di bit 0013961168, cunvertisce in esadecimale is 00 D5 07 D0.
8-numeru di carta di bit 213 02000, u primu 3 cifre 213 converted to hexadecimal is D5, the last five digits 02000 converted to hexadecimal is 07 D0.

Dunque, the rules can be found: Primu, the 10-digit conversion to hexadecimal is 4 bytes, the first byte does not need, the second byte is converted to the first 3 digits of the 8-bit card number, the third and fourth the bytes are converted together into the last 5 digits of the 8-bit card number.
Excel formula=(MOD(X,256*256))+(MOD(INT(X/(256*256)),256)*100000).

It can be seen from the above that the 10-bit card number in the access control attendance system can be converted into an 8-bit card number by an algorithm, and the 8-bit card number is difficult to restore to a 10-bit card number.
Most of the access control attendance systems developed and produced by Seabreeze Smart Card Co.,Ltd are compatible with wiegand26 and wiegand34, and the software can also freely choose 8-bit card number or 10-bit card number operation.

(SeabreezeRFID)