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TAGnology_TAGid -125kHz_Protocol.pdf - RFID Webshop

TAGnology_TAGid -125kHz_Protocol.pdf - RFID Webshop

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February 1999 Rev. 1.2 Communication Reader-Host<br />

3.7.16 HTS_TagAuthent<br />

Carries out the full authentication procedure between the transponder and the read/write device.<br />

After this mutual authentication you are allowed to access a HitagS transponder configured in<br />

Authentication Mode. After Authentication the data are transferred plain.<br />

C-Function: void HT1_Mutual_Authent ();<br />

Header-File: Hitag1.H<br />

Serial protocol:<br />

HOST - READ/WRITE DEVICE<br />

0x03 0xA8 BCC<br />

READ/WRITE DEVICE - HOST<br />

0x02 Status BCC<br />

Status: 0 ... no error<br />

-1 ... SERIAL ERROR<br />

-7 ... AUTHENTICATION ERROR<br />

Page 31 (107)<br />

Protokoll HTRM801 V1.2/C

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