The tag has no usage guidance.

learn more… | top users | synonyms

12
votes
1answer
1k views

MPPE-Send and Receive key derivation from MS-CHAPv2

I am trying to get the MS-MPPE-Send-key and MS-MPPE-Recv-key from the MS-CHAPv2 challenge material. I am able to follow the RFCs 2548 3078 and 3079 to the step of getting the GetNewKeyFromSHA() it is ...
2
votes
0answers
211 views

Does EAP-TLS provide a two-factor authentication?

I am currently setting up FreeRADIUS on my pfSense firewall to authenticate WLAN clients (mainly iOS) via EAP-TLS. I have therefor created a user certificate and a user within the FreeRADIUS user ...
1
vote
0answers
27 views

Dynamic Key Management in WPA through Radius server

Can anybody tell me in detail (or provide good links), how the dynamic key management is done by the authentication server in WPA? In other words, let's say I gave my credentials to the authentication ...
1
vote
0answers
75 views

Help decrypting MS-MPPE-Send-Key/MS-MPPE-Recv-Key

I'm trying to decrypt Ms-MPPE keys received in a Access-Accept message from the Radius server. I'm following RFC2548 in order to do this. Although the keys are of size 32 octets, the one byte length ...
1
vote
0answers
173 views

Can a Radius server mitigate an ARP spoofing attack?

I'm helping my school network administrator to try to find a way to mitigate a current ARP spoofing attack on our wifi network. We detected an unknown host (MAC address seem to change, he is probably ...