LDN services: Difference between revisions

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! Description

|-

| 0x0 || 0x10 || When zero, ~~this is~~ set to randomly-generated data. ~~Used during~~ key ~~derivation~~.

| 0x0 || 0x10 || Wrapped master key. When zero, set to randomly-generated data. This is decrypted with a "static AES key" and used to derive the 4 encryption keys for the session.

|-

| 0x10 || 0x8 || LocalCommunicationId. When zero, the value from control.nacp is loaded. This is later validated by [[#Join]]/[[#CreateGroup]] the same way as the [[#NetworkConfig]] field. Used during key derivation.

| 0x10 || 0x8 || LocalCommunicationId. When zero, the value from control.nacp is loaded. This is later validated by [[#Join]]/[[#CreateGroup]] the same way as the [[#NetworkConfig]] field. Used during key derivation to derive keys B and D.

|-

| 0x18 || 0x6 || [[#GroupId]] ("GROUP ID (BSSID)"). When zero, the default is used. The default should be used here: an error is thrown if the data here doesn't match the output from [[WLAN_services|wlan:lcl]] cmd2.

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| 0x1C0 || 0x1 || PresharedKeyBinarySize. Must be 0x20 for PresharedKeyBinary. [11.0.0+] With WPA2-PSK, this must be value 1.

|-

| 0x1C1 || 0x3F ([9.0.0-10.2.0] 0x20) || PresharedKey. Used ~~during key derivation~~. [11.0.0+] With WPA2-PSK, this is the passphrase string (length must be at least 8).

| 0x1C1 || 0x3F ([9.0.0-10.2.0] 0x20) || PresharedKey. Used to derive encryption keys A and C. [11.0.0+] With WPA2-PSK, this is the passphrase string (length must be at least 8).

|}

@@ Line 1,207: / Line 1,207: @@
 ! Description
 |-
-| 0x0 || 0x10 || When zero, this is set to randomly-generated data. Used during key derivation.
+| 0x0 || 0x10 || Wrapped master key. When zero, set to randomly-generated data. This is decrypted with a "static AES key" and used to derive the 4 encryption keys for the session.
 |-
-| 0x10 || 0x8 || LocalCommunicationId. When zero, the value from control.nacp is loaded. This is later validated by [[#Join]]/[[#CreateGroup]] the same way as the [[#NetworkConfig]] field. Used during key derivation.
+| 0x10 || 0x8 || LocalCommunicationId. When zero, the value from control.nacp is loaded. This is later validated by [[#Join]]/[[#CreateGroup]] the same way as the [[#NetworkConfig]] field. Used during key derivation to derive keys B and D.
 |-
 | 0x18 || 0x6 || [[#GroupId]] ("GROUP ID  (BSSID)"). When zero, the default is used. The default should be used here: an error is thrown if the data here doesn't match the output from [[WLAN_services|wlan:lcl]] cmd2.
@@ Line 1,247: / Line 1,247: @@
 | 0x1C0 || 0x1 || PresharedKeyBinarySize. Must be 0x20 for PresharedKeyBinary. [11.0.0+] With WPA2-PSK, this must be value 1.
 |-
-| 0x1C1 || 0x3F ([9.0.0-10.2.0] 0x20) || PresharedKey. Used during key derivation. [11.0.0+] With WPA2-PSK, this is the passphrase string (length must be at least 8).
+| 0x1C1 || 0x3F ([9.0.0-10.2.0] 0x20) || PresharedKey. Used to derive encryption keys A and C. [11.0.0+] With WPA2-PSK, this is the passphrase string (length must be at least 8).
 |}