NXP Semiconductors OM27642, Руководство пользователя, Страница: 33 / 38

NXP Semiconductors
UM11038
OM27642 Smart Lock KIT
UM11038 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2018. All rights reserved.
User manual
COMPANY PUBLIC Rev. 1.1 — 11 October 2018
407611
33 of 38
14.2.4 Standard Data File settings
• File ID: 0x00
• Supported Communication Modes
• Fully Encrypted
• Access rights: 0x1000
• Key #0 for write, R&W, Change Access rights
• Key #1 for read
• File size: 0x000080 (Size: 128 bytes)
14.3 Standard Data file content
14.3.1 Token format
14.3.2 Token verification process
1. Validate Rev
Token

chose appropriate processing

If revision is below current Rev in lock

Token isn´t valid anymore

If revision is equal to current Rev in lock

no actions

If revision is higher than current Rev in lock

increase Lock Rev
2. Validate Time stamps
3. Validate
HotelID/RoomID

correct lock number?
4. Validate Rev
Revoke

can be used for offline blocking of “lost card”
5. Validate Rev
ECCkey

chose appropriate ECC public key
6. Verify ECC signature
7. Read
Unique sequence number [Random No.] and store in log-file

which token has been used