Block
1 1 0 Key A | B
1
Key B
1
Key B
1
Key A | B
1
A Read/Subtract B
Write/Add Value
block
1 1 1 Never Never Never Never
Locked block,
Access never
allowed
Transport Configuration: When the card is delivered, the access conditions for the sector
trailer and the authentication Keys A and B are already containing a particular transport
configuration.
1
When Key B can be read in the corresponding Sector trailer, it cannot be used for
authentication. If the reader/writer tries to authenticate any block of a sector with Key B
using the shaded access conditions, the card will reject subsequent memory access after
authentication.
Table 58 – Access to Data Blocks
Note: the “Increment”, “Decrement”, “Transfer”, “Restore” commands are not available using
the PC/SC V2 MIFARE
®
commands.
The following describes the functions of the blocks in previous Table “Access Condition for
Data Blocks”:
Read/Write Block The operation read and write are allowed,
Value Block
Allows the additional value operations such as
Increment, Decrement, Transfer and Restore.
In the case ('001') only Read and Decrement are
possible for a non-rechargeable card. In the other case
('110') recharging is possible using Key B.
Manufacturer Block
The read-only condition is not affected by the setting of
the access bits.
Key Management
In transport configuration, the use of Key A for
authentication is mandatory.
Sector Trailer Access Conditions
The access bits for the sector trailer shown in the following table determine the access
condition to either of the authentication keys or the access bits themselves to be Never, Key
B, or Key A | B.
Key A | B indicates the access for this sector is only possible after an authentication using
either Key A or Key B.
Access Bits Access Condition Comments
Authentication
Key A
Access Bits
Authentication
Key B
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