On Wed, May 25, 2016 at 03:05:28PM +0200, Marcus Meissner wrote:
> On Wed, May 25, 2016 at 01:39:46PM +0200, Stephan Mueller wrote:
> > Am Mittwoch, 25. Mai 2016, 13:36:10 schrieb Marcus Meissner:
> >
> > Hi Marcus,
> >
> > > Hi,
> > >
> > > On Wed, May 25, 2016 at 09:10:31AM +0200, Stephan Mueller wrote:
> > > > Am Mittwoch, 25. Mai 2016, 09:07:52 schrieb Marcus Meissner:
> > > >
> > > > Hi Marcus,
> > > >
> > > > > Hi,
> > > > >
> > > > > when enabling the testmgr framework and FIPS in 4.6 and 4.4 and
> > > > > running
> > > > > "modprobe tcrypt"
> > > > >
> > > > }, {
> > > >
> > > > .alg = "hmac(crc32)",
> > > > .test = alg_test_hash,
> > > >
> > > > ...
> > > >
> > > > fips_allowed = 1 missing?
> > >
> > > The kernel was not in FIPS mode, and adding it did not help. :/
> >
> > Sorry, I read FIPS and implied fips=1 :-)
>
> I think we are running in a precondition
>
> ds = salg->digestsize; // is CHKSUM_DIGEST_SIZE == 4
> for CRC32
> ss = salg->statesize; // ? cant find it
> alg = &salg->base; // base.cra_blocksize seems
> CHKSUM_BLOCKSIZE == 1
> if (ds > alg->cra_blocksize ||
> ss < alg->cra_blocksize)
> goto out_put_alg;
>
> 4 > 1 ... so EINVAL return.
>
> If this is the case, hmac(crc32) might be kind of non-sensical?
And it actually is:
[ 180.942532] hmac: blocksize check failed, ds=4, cra_blocksize=1, ss=4
[ 180.942541] alg: hash: Failed to load transform for hmac(crc32): -2
[ 180.989191] tcrypt: one or more tests failed!
Should I remove hmac(crc32) from the testmgr list?
Ciao, Marcus
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