unknown symbol CRYPTO_GCM

unknown symbol CRYPTO_GCM

[František Horínek]

Hello,

I am trying to install driver RTL8192CU but i was unable to locate the driv=
er.
I found out that RTL8192CU depends on RTL_CARDS and RTL_CARDS depends
on MAC80211.
MAC80211 is not visible in menu due its dependency on CRYPTO_GCM.

The problem is that symbol CRYPTO_GCM is unknown and therefor I can't enabl=
e it.

When I tried to create CRYPTO_GCM as bool the compilation failed:
/root/backports-4.2.6-1/compat/crypto-ccm.c: In function =E2=80=98crypto_cc=
m_init_tfm=E2=80=99:
/root/backports-4.2.6-1/compat/crypto-ccm.c:487:2: error: implicit
declaration of function =E2=80=98crypto_aead_set_reqsize=E2=80=99
[-Werror=3Dimplicit-function-declaration]
  crypto_aead_set_reqsize(__crypto_aead_cast(tfm),

there is also a warning before build:
warning: (MAC80211 && MAC802154) selects BPAUTO_CRYPTO_CCM which has
unmet direct dependencies (CRYPTO_AEAD && CRYPTO_CTR)

I am using backports-4.2.6-1 downloaded today (25. 11. 2016)

What should I do?

Thank you for your help.

--
Franti=C5=A1ek Hor=C3=ADnek
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Re: unknown symbol CRYPTO_GCM

[Johannes Berg]

On Fri, 2016-11-25 at 02:24 +0100, František Horínek wrote:
> 
> there is also a warning before build:
> warning: (MAC80211 && MAC802154) selects BPAUTO_CRYPTO_CCM which has
> unmet direct dependencies (CRYPTO_AEAD && CRYPTO_CTR)

All of this stuff is broken.

> I am using backports-4.2.6-1 downloaded today (25. 11. 2016)
> 
> What should I do?

Enable CRYPTO_GCM in your base kernel.

johannes
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