Finding out what certain kernel config options are dependant on

Hi, I'm sorry for not posting a more development related question, but I know there is a need for finding out why certain options in make config are preselected, and why we can't choose not to use them. If this doesn't make sense, consider this:
On my machine, with 2.6.8-rc4-mm1 (and all the other versions I've tried so far in 2.6) CONFIG_CRYPTO is preselected, and I can't remove it. I'm not interested in the cryptographic API at all. So what driver or option did i enable that requires CONFIG_CRYPTO? I'd appreciate help on finding this out, since I'd like to remove it all from my .config. Is there a script or some other automated way on finding this out?
If I find out that CONFIG_CRYPTO really is needed in the kernel all the way, I appologize for asking such a stupid question, but then I'd wonder why there is even an option for that.

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find . -name Kconfig\* | xargs grep select | grep CRYPTO

It seems, you have one or more of the following options enabled:

BLK_DEV_CRYPTOLOOP
DM_CRYPT
INET6_AH
INET6_ESP
INET6_IPCOMP
INET_AH
INET_ESP
INET_IPCOMP
IPV6_PRIVACY
IP_SCTP
NFS_V4
RPCSEC_GSS_KRB5

Disabling all of them should enable you to disable CRYPTO.

cu
Adrian

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

Aunt Tillie's gonna fscking _love_ this :)

dwmw2