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10-xoogaa Nambarka Iyo 8-bit Tirada Xiriirka Xiriirka Kaarka Xakamaynta Helitaanka

23/07/2018

Badanaa nidaamka xakamaynta marin u helka, lambarka kaarka 8-bit waa wiegand26-bit saarka, lambarka kaarka 10-bit waa wiegand34-bit saarka.
Tusaale ahaan, kaarka ku daabacan:
0013961168 10-lambarka kaarka waxoogaa,
ama
213 02000 3+5 8-lambarka kaarka waxoogaa.
10-lambarka kaarka waxoogaa 0013961168, loogu badalo hexadecimal waa 00 D5 07 D0.
8-lambarka kaarka waxoogaa 213 02000, kii ugu horreeyay 3 lambar 213 converted to hexadecimal is D5, the last five digits 02000 converted to hexadecimal is 07 D0.

Sidaa darteed, the rules can be found: First, 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)

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