[Openswan Users] NULL encryption error message

[farajian amin]

Dear All,

Can anybody help me , how can i enable NULL encryption in openswan 2.6.23.Any user Configuration?
We are using KLIPS... Any kernel configuration ?
I want it to perform a perfomance test of IPSEC protocol stack.

 I have set esp="null" in ipsec.conf  file and also
 I have set USE_NOCRYPTO ?=true and USE_WEAKSTAFF?=true but still receiving
  *****requested kernel enc ealg_id=11 not present
******can not initiate: no acceptable kernel algorithms loaded

Thanks in Advance,