AT88SC3216CRF-MVB1G Atmel, AT88SC3216CRF-MVB1G Datasheet - Page 113

• Manufacturer Part Number: AT88SC3216CRF-MVB1G
• Description: CRYPTOMEMORY 32KBIT 16ZONE MVB
• Manufacturer: Atmel
• Series: CryptoMemory®, CryptoRF®r

Specifications of AT88SC3216CRF-MVB1G

• Rf Type: Read / Write
• Frequency: 13.56MHz
• Features: ISO1444-2, 1444-3, 32-kbits
• Package / Case: MVB Module
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

5276C–RFID–3/09
Figure 35.
Mutual Authentication Procedure
i = Card Key Set Number
Alternate Flow (if new "C" already stored)
Authentication
Do you want
to retry ?
(FAILURE)
Failed
Card
END
YES
Host System
Operations
NO
x,y,z (if reqd.)
Auth Key Set
Session Key
Secret Host
Number Q
(FAILURE)
AAC
Store C =
AAC
is Locked
Generate
Store C
Random
AT88SC0808/1616/3216/6416CRF, AT88RF04C
Key K
Store
Store
Card
END
and
ID
S
+
i
i
A
+ C
+ C
A
i
i
A
A
YES
YES
NO
NO
Send Verify Crypto
Receive Response
using F1 Function
using F2 Function
Diversified Key G
with K, ID, x, y, z
Session Key S
Challenge Ch
Is AAC
Cryptogram C
Command with
Authenticated
Authentication
Cryptogram C
Authentication
with G, C, Q
Q
Cryptogram
or other ID)
Read Card
Response
Cleared ?
AAC
Calculate
Calculate
AAC
Does C
(Nc field
A
Is AAC
Card is
START
NACK
Match
Read
Read
and Ch
END
C
C
ID
Is
?
i
i
i
A
i
A
and
Max ?
and
?
i
YES
NO
NO
i
YES
A
A
A
A
A
i
A
,
Authentication Mode
Host enters
Read System Zone Command
Read System Zone Command
Verify Crypto Command
Response
Return Data
Return Data
Read System Zone Command
Return Data
Authenticated
HOST is
using F2 Function
Session Key S
Cryptogram C
Command with
Is AAC
Challenge CH,
(or equivalent)
Cryptogram C
with C
Session Key
Answer with
Answer with
Verify Crypto
Answer with
Q
Cryptogram
Ch
Response
Response
AAC
Calculate
Store C
AAC
Receive
A
NACK
Does
A
Clear
CH ?
AAC
Send
Send
and Ch
ACK
and
C
Nc
S
match
i
, G
i
i
i
i
i
A
A
CryptoRF Card
and
Max ?
and
i
i
YES
, Q
i
NO
A
Operations
A
i
A
A
i
i
,
A
Authentication Mode
NO
Normal Mode
YES
Card is in
Normal Mode
Card enters
Card enters
Note: CryptoRF Card must
be in Active State before
Starting Authentication
Secret Seed
Cryptogram
Increment
and Store
AAC
G
C
i
i
i
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