5 0x4E 6 0x18 Left Nibble = 0x1 HS Security Level Right Nibble = 0x8, the rightmost nibble of the 52 Bit NID offset Table 135: Example CM_SET_KEY.REQ Message Provisioning NMK Using the DAK Field Field Size Definition Example Value (Octets) (Left Octet = LSByte) ODA 6 Original Destination Address 003132333435 OSA 6 Original Source Address 004647484950 VLAN Tag 0 or 4 IEEE 802.1Q VLAN Tag (optional) None MTYPE 2 0x88e1 (IEEE-assigned Ethertype) 88e1 MMV 1 Management Message Version 01 MMTYPE 2 Management Message Type 0860 CM_SET_KEY.REQ FMI 2 Fragmentation Management Information 0000 Key Type 1 Key Type 01 NMK (AES-128) My Nonce 4 Random number that will be used to verify next message 00112233 from other end; in encrypted portion of payload. Your 4 Last nonce received from recipient; it will be used by 44332211 Nonce recipient to verify this message; in encrypted portion of payload. PID 1 Protocol for which Set Key is asserted 02 Note: This is included since MME is not always in encrypted payload. Provision STA with NMK Refer to Section 11.5.2.3 for information. using DAK PRN 2 Protocol Run Number (refer to Section 11.5.2.4) 2D37 PMN 1 Protocol Message Number (refer to Section 11.5.2.5) 03 CCo 1 The two LSBs of this field contain the STA’s CCo capability. 02 Capability The interpretation of these bits is the same as in Section Level-2 CCo Capable 4.4.3.15.4.6.2. The six MSBs of this field are set to 0b000000 NID 7 Network ID of transmitting STA 026BCBA5354E18 The 54 LSBs of this field contain the NID (refer to Section NID from Table 134: 4.4.3.1). The two MSBs shall be set to 0b00. Example NID Offset Hashed from NMK-HS with Appended Security Level
5 0x4E 6 0x18 Left Nibble = 0x1 HS Security Level Right Nibble = 0x8, the rightmost nibble of the 52 Bit NID offset Table 135: Example CM_SET_KEY.REQ Message Provisioning NMK Using the DAK Field Field Size (Octets) Definition Example Value (Left Octet = LSByte) ODA 6 Original Destination Address 003132333435 OSA 6 Original Source Address 004647484950 VLAN Tag 0 or 4 IEEE 802.1Q VLAN Tag (optional) None MTYPE 2 0x88e1 (IEEE-assigned Ethertype) 88e1 MMV 1 Management Message Version 01 MMTYPE 2 Management Message Type 0860 CM_SET_KEY.REQ FMI 2 Fragmentation Management Information 0000 Key Type 1 Key Type 01 NMK (AES-128) My Nonce 4 Random number that will be used to verify next message from other end; in encrypted portion of payload. 00112233 Your Nonce 4 Last nonce received from recipient; it will be used by recipient to verify this message; in encrypted portion of payload. 44332211 PID 1 Protocol for which Set Key is asserted Note: This is included since MME is not always in encrypted payload. Refer to Section 11.5.2.3 for information. 02 Provision STA with NMK using DAK PRN 2 Protocol Run Number (refer to Section 11.5.2.4) 2D37 PMN 1 Protocol Message Number (refer to Section 11.5.2.5) 03 CCo Capability 1 The two LSBs of this field contain the STA’s CCo capability. The interpretation of these bits is the same as in Section 4.4.3.15.4.6.2. The six MSBs of this field are set to 0b000000 02 Level-2 CCo Capable NID 7 Network ID of transmitting STA The 54 LSBs of this field contain the NID (refer to Section 4.4.3.1). The two MSBs shall be set to 0b00. 026BCBA5354E18 NID from Table 134: Example NID Offset Hashed from NMK-HS with Appended Security Level