Shiro ADSL 2/2+ Ethernet Modem Manual do Utilizador descarregar pdf (Página 580)

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STLF-NA-TRD-REQ-2740 A failure during the negotiation step shall cause the RCST to be logged off

from the DVB-RCS network

T STLF_IF_RCST_MGMT_AUTH STLF_IO_SEC_RCST

STLF_IO_SEC_RSGW

STLF-NA-TRD-REQ-2750 Once the negotiation step is completed, the NCC shall proceed with the key

exchange step by sending EKE request messages for each cryptographic

context handled in the previous step

T STLF_IF_RCST_MGMT_AUTH STLF_IO_SEC_RCST

STLF_IO_SEC_RSGW

STLF-NA-TRD-REQ-2760 The NCC shall be able to request for the RCST to increment its clone

counter. The RCST replies to each EKE request message with an EKE

response message including its clone counter as well as an "authenticator"

value. When receiving an EKE response message, the NCC can authenticate

the terminal based on the clone counter and the "Authenticator" value. If the

RCST has to increment its clone counter, it transmits the value of the clone

counter before incrementation

T STLF_IF_RCST_MGMT_AUTH STLF_IO_SEC_RCST

STLF_IO_SEC_RSGW

STLF-NA-TRD-REQ-2770 A failure during the key exchange step of the connection shall cause the

RCST to be logged off from the DVB-RCS network

T STLF_IF_RCST_MGMT_AUTH STLF_IO_SEC_RCST

STLF_IO_SEC_RSGW

STLF-NA-TRD-REQ-2780 The NCC shall start a re-keying procedure to update the session key of a

cryptographic context

NA - -

STLF-NA-TRD-REQ-2790 To transmit a new key, the NCC shall send EKE request messages, as for

the key exchange step of the connection operation. For multicast

cryptographic contexts, the NCC shall transmit an EKE request message to

each concerned RCST

NA - -

STLF-NA-TRD-REQ-2800 The RCSTs shall extract session keys from incoming EKE request messages

and reply with EKE response messages. Clone counter values cannot be

updated during re-keying operations

NA - -

STLF-NA-TRD-REQ-2810 While a cryptographic context is being updated, the old key shall still be used. NA - -

STLF-NA-TRD-REQ-2820 For downlink streams, the gateway shall start ciphering with the new key only

upon reception of the EKE response message ( or all the EKE response

messages for a multicast cryptographic context).

NA - -

STLF-NA-TRD-REQ-2830 For an uplink stream, the RCST shall switch to the new key as soon as it

receives the EKE request message

NA - -

STLF-NA-TRD-REQ-2840 A failure during this stage of the protocol shall cause the RCST to be logged

off

NA - -

STLF-NA-TRD-REQ-2850 The SatLife System shall support multicast encryption based on a "per

multicast service" granurality. Current DVB-RCS standard only provides

privacy service for unicast streams

NA - -

STLF-NA-TRD-REQ-2860 The SatLife System shall support separate keys for each multicast channel NA - -

STLF-NA-TRD-REQ-2870 The SatLife System shall transmit the keys efficiently to all the RCSTs NA - -

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Shiro ADSL 2/2+ Ethernet Modem Manual do Utilizador Página 580

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