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MF2DL1000DA4/02 Datasheet(PDF) 36 Page - NXP Semiconductors

Part # MF2DL1000DA4/02
Description  MIFARE DESFire Light contactless application IC
PDF  132 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

MF2DL1000DA4/02 Datasheet(HTML) 36 Page - NXP Semiconductors

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NXP Semiconductors
MF2DL(H)x0
MIFARE DESFire Light contactless application IC
MF2DL_H_x0
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2019. All rights reserved.
Product data sheet
Rev. 3.3 — 5 April 2019
COMPANY PUBLIC
430733
36 / 132
9.2.10 Full communication mode
For CommMode.Full, apart from using the LRP encryption and MAC algorithm, as
specified in Section 9.2.4, the command processing in LRP authenticated state is
identical to AES secure messaging in EV2 authenticated state, see Section 9.1.10. This
is as well illustrated in Figure 12.
PICC to PCD
aaa-032195
4
2
T
C
CmdCtr
1
Cmd
C = value of CmdCtr at start of this sequence
T = Value of TI (will stay constant)
[c+p]
[c+p]
ELRP(SesAuthENCKey, RespData)
4
TI
2
T
C+1
CmdCtr
8
MACLRP(SesAuthMACKey, RC || CmdCtr
|| TI [|| ELRP(SesAuthENCKey, RespData)])
ELRP(SesAuthENCKey, RespData)
MACLRP(SesAuthMACKey, RC || CmdCtr
|| TI [|| ELRP(SesAuthENCKey, RespData)])
PCD to PICC
8
Command counter (CmdCtr)
incremented after validating the
command before sending the
response and related MAC calculation
MACtLRP(SesAuthMACKey, CMD || CmdCtr || TI [||
CmdHeader] [|| ELRP(SesAuthENCKey, CmdData)])
MAC Truncation from 16 to 8 byte
by use of the even-numbered bytes
CLA
90h Cmd
P1
00h
P2
00h
1
1
1
1
Le
00h
1
[a]
[b+p]
ISO 7816 Data Field
ELRP(SesAuthENCKey, CmdData)
[a]
[b+p]
ISO 7816 Data Field
ELRP(SesAuthENCKey, CmdData)
status
1
SW2
SW1
status
1
SW2
1
CmdHeader
[b]
p
CmdData
Padding
[c]
p
RespData
Padding
CmdHeader
Lc
1
MACtLRP(SesAuthMACKey, CMD || CmdCtr || TI [||
CmdHeader] [|| ELRP(SesAuthENCKey, CmdData)])
TI
Figure 12. LRP Secure Messaging: CommMode.Full



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