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PROXRUNNER BLUETOOTH RFID SCANNER - Reference manual
SPRINGCARD, the SPRINGCARD logo, PRO ACTIVE and the PRO ACTIVE logo are registered trademarks of PRO ACTIVE SAS.
All other brand names, product names, or trademarks belong to their respective holders.
Information in this document is subject to change without notice. Reproduction without written permission of PRO ACTIVE is forbidden.
6.2.2. Authentication key
Out-of-factory key used for authentication of Master Cards is confidential.
Only
SpringCard
genuine software –such as
cfgfilecreator.exe
– is able to
create Master Cards with the default authentication key.
To secure their installation, customers should replace this key as soon as they
receive the readers, as explained in 5.4 .
This is the same structure as AUT.DFR .
Name
Tag
Description
Size
AUT.MAS
h
55
Authentication key. See table
a
below.
17
a. Authentication key bytes
Offset
Length
Content
0
1
Authentication key index and options. See table
b
below.
1
16
Authentication key for Master Cards
(this is 3-DES key).
b. Authentication key index and options
Bit
Value
Meaning
7 – 6
00
01
10
11
Communication mode in read operation
Plain
MACed with session key
RFU
Enciphered with session key
5 – 4
00
01
10
11
Key diversification algorithm
Use the key “as is”
Diversify the key using Desfire SAM algorithm
Diversify the key using HMAC-MD5 algorithm
RFU
3 – 0
0000
to
1110
1111
Index of key in Desfire application
Index of the key to be used for authentication
RFU
Specified value :
h
E0
(key 0, HMAC-MD5 diversification, ciphered reading)
