[strongSwan] EAP-AKA: EAP method not supported, sending EAP_NAK

Martin Willi martin at strongswan.org
Thu May 21 17:40:17 CEST 2015

Hi Holger,

> server requested EAP_AKA authentication (id 0x00)
> EAP method not supported, sending EAP_NAK

> loaded plugins: charon test-vectors aes rc2 sha1 sha2 md4 md5 random
>  nonce x509 revocation constraints pkcs1 pkcs7 pkcs8 pkcs12 pem open
>  ssl xcbc cmac hmac ctr ccm gcm attr kernel-netlink resolve
>  socket-default stroke updown eap-identity eap-aka eap-aka-3gpp2
>  addrblock

EAP-AKA not only needs a backend (such as eap-aka-3gpp2, which you have
loaded), but also a special PRF implemented in the fips-prf plugin.

That plugin should get enabled implicitly if you ./configure with
--enable-eap-aka, but you might need to update any manual
strongswan.conf load statements.

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