Re: Crypto test results unused?

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On Tue, Jan 12, 2010 at 06:55:07PM +0100, Krzysztof Halasa wrote:
>
> Currently the /proc/crypto contains:
> 
> - for passed tests: "selftest: passed" (which is of course right)
> 
> - for failed tests: "selftest: unknown" (which is a surprise for me):
> 
> alg: skcipher: Test 1 failed on encryption for ecb(des)-ixp4xx
> 00000000: 01 23 45 67 89 ab cd e7
> 
> name         : ecb(des)
> driver       : ecb(des)-ixp4xx
> module       : ixp4xx_crypto
> priority     : 300
> refcnt       : 1
> selftest     : unknown
> type         : ablkcipher
> async        : yes
> blocksize    : 8
> min keysize  : 8
> max keysize  : 8
> ivsize       : 0
> geniv        : <default>

This is fine.

> - for routines without a test: "selftest: passed" (which isn't true
>   either)
> 
> alg: No test for authenc(hmac(md5),cbc(des)) (authenc(hmac(md5),cbc(des))-ixp4xx)

This should be fixed by adding some code to test authenc algorithms
by combining the test vectors of its components.
 
> I think we need a way to differentiate between "really unknown" and
> "failed", do we need another flag for it?

It doesn't matter.  We test all algorithms at registration time.
So unknown means failed except during registration.

Cheers,
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