User's Manual

ACG HF Multi ISO RFID Reader V1.0
ACG Identification Technologies GmbH 113
The data stream has to be divided into blocks of 8 bytes. The last enciphered block
has to be XORed with the next plain block.
12.4.6 my-d™ secure
Note that ISO 14443 tags do not support the addressed mode. Bit 5 and 6 of the
option byte are not used with ISO 14443 tags. The ISO 14443 tag only works in
selected mode.
12.4.6.1 Abort KTT upload
This command aborts the Prepare for KTT ‘ut’ command, if the reader is in prepare
for KTT awareness mode.
Command
Command Data
‘*’ None
Answer
Answer Description
00h Prepare for KTT successfully aborted
‘F’ Prepare for KTT was not active
No response Key uploading is in progress
12.4.6.2 Authenticate to sector
The Authenticate to sector command sets up a secured transmission to a
transponder.
Enc(block1)
XOR
block2
Enc(block2)
Enc