[Openswan Users] Openswan with error."Function not implemented" maybe due to Algorithm?

[Áõºè¾ü]

I am testing openswan 2.3.1 on Debian.

ERROR:
Jul  8 16:16:09 Debian pluto[9381]: "net-to-net" #3: ERROR: netlink response for Add SA esp.af7ed6f at 192.168.44.10 included errno 38: Function not implemented


I guess it is due to incompatible algorithm.
Because openswan is aksing for
"IKE algorithm newest: 3DES_CBC_192-MD5-MODP1536"

but my box only support:

Debian:/lib/modules/2.6.11.7pcnet/kernel/crypto# modinfo des
filename:       /lib/modules/2.6.11.7pcnet/kernel/crypto/des.ko
alias:          des3_ede
license:        GPL
description:    DES & Triple DES EDE Cipher Algorithms
vermagic:       2.6.11.7pcnet PENTIUM4 gcc-3.3

but "modinfo des3_ede" failed.

So the question is des3_ede= 3des_CBC?? 
or why there is the  error of "Function not implemented"


Thanks!


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