User's Manual

5
S
ERVER .........................................................................................................................................................................27
R ESPONSE C OMPUTATION .............................................................................................................................................27
R EAD P IN ........................................................................................................................................................................27
C OMPUTATION OF RESPONSE BY USING THE W EB I DENTITY TOKEN ...............................................................................27
C LIENT ..........................................................................................................................................................................27
R ESPONSE V ERIFICATION .............................................................................................................................................. 27
D ECRYPT P IN ..................................................................................................................................................................27
R E - COMPUTATION OF THE RESPONSE FOR COMPARISON WITH THE CLIENT - SENT RESPONSE AND EXTRACTION OF THE
U SER -I D . .......................................................................................................................................................................27
S ERVER .........................................................................................................................................................................27
5.5 C RYPTOGRAPHY ................................................................................................................................................28
5.5.1 Example – cryptography from server to client..........................................................................................30
F UNCTION ......................................................................................................................................................................31
M ETHOD ........................................................................................................................................................................31
D ESCRIPTION .................................................................................................................................................................31
C OMPONENT ..................................................................................................................................................................31
S ERVER SIDE ENCRYPTION .............................................................................................................................................31
C RYPT ............................................................................................................................................................................31
E NCRYPTION WITH THE USE OF R ANDOM S ESSION S TRING , OF S ERVER S ECRET AND U SER -I D WHICH THE
CONFIDENTIAL DATA IS TO BE SENT ...............................................................................................................................31
S ERVER .........................................................................................................................................................................31
S ERVER SIDE DECRYPTION .............................................................................................................................................31
D ECRYPT ........................................................................................................................................................................31
D ECRYPTION WITH THE USE OF R ANDOM S ESSION S TRING , OF S ERVER S ECRET AND U SER -I D WHICH THE
CONFIDENTIAL DATA HAS BEEN RECEIVED FROM ...........................................................................................................31
S ERVER .........................................................................................................................................................................31
C LIENT SIDE ENCRYPTION .............................................................................................................................................. 31
C RYPT ............................................................................................................................................................................31
E NCRYPTION WITH USE OF R ANDOM S ESSION S TRING ...................................................................................................31
C LIENT ..........................................................................................................................................................................31
C LIENT SIDE DECRYPTION .............................................................................................................................................. 31
D ECRYPT ........................................................................................................................................................................31
D ECRYPTION WITH USE OF R ANDOM S ESSION S TRING . .................................................................................................31
C LIENT ..........................................................................................................................................................................31
5.6 R EMOTE CONTROL .............................................................................................................................................32
5.6.1 Synchronize Command..............................................................................................................................32
5.6.2 Read Command.........................................................................................................................................32
5.6.3 Write Command........................................................................................................................................32
5.6.4 Example – writing on the remote token.....................................................................................................34
F UNCTION ......................................................................................................................................................................37
M ETHOD ........................................................................................................................................................................37
D ESCRIPTION .................................................................................................................................................................37
C OMPONENT ..................................................................................................................................................................37
R EAD COMMAND ...........................................................................................................................................................37
C OMMIT R EAD ..................................................................................................................................................................37
I T ENABLES GENERATING THE READ COMMAND BY STATING THE START POSITION AND THE READABLE DATA LENGTH .37
S ERVER .........................................................................................................................................................................37
W RITE COMMAND ..........................................................................................................................................................37
C OMMIT W RITE ................................................................................................................................................................37
I T ENABLES GENERATING THE WRITE COMMAND BY STATING THE START POSITION , THE DATA LENGTH AND THE
WRITABLE DATA ............................................................................................................................................................37
S ERVER .........................................................................................................................................................................37
S YNCHRONIZATION COMMAND .....................................................................................................................................37
S YNCHONIZE ...................................................................................................................................................................37
I T ENABLES GENERATING THE SUYNCHRONIZATION COMMAND FOR ALIGNING THE COUNTER OF THE WRITING NUMBER .
......................................................................................................................................................................................37
S ERVER .........................................................................................................................................................................37
C OMMAND EXECUTION ..................................................................................................................................................37
C MD E XECUTE ..................................................................................................................................................................37
I T ENABLES THE ACTUAL EXECUTION OF THE COMMAND GENERATED BY THE SERVER ON THE TOKEN ..........................37
C LIENT ..........................................................................................................................................................................37