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openssl/test/recipes/30-test_evp_data
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Nicola Tuveri 22f0c72b92 [SM2_sign] add minimal EVP_PKEY functionality testing 
The actual functionality of generating signatures through the `EVP_PKEY`
API is completely untested.
Current tests under the `EVP_PKEY` API
(`test/recipes/30-test_evp_data/evppkey.txt`) only cover `Verify` and
`Decrypt`, while encryption and signature generation are tested with
ad-hoc clients (`test/sm2crypttest.c`, `test/sm2signtest.c`) that do not
call the `EVP_PKEY` interface at all but soon-to-be private functions
that bypass it (cf. PR#5895 ).

It is my opinion that an ideal solution for the future would consist on
enhancing the `test/evp_pkey` facility and syntax to allow tests to take
control of the PRNG to inject known nonces and validate the results of
`EVP_PKEY` implementations against deterministic known answer tests, but
it is probably too late to work on this feature in time for next release.

Given that commit b5a85f70d8 highlights some critical bugs in the hook
between the `EVP_PKEY` interface and SM2 signature generation and that
these defects escaped testing and code review, I think that at least for
now it is beneficial to at least add the kind of "bogus" testing
provided by this patch:
this is a "fake" test as it does only verify that the SM2 `EVP_PKEY`
interface is capable of creating a signature without failing, but it
does not say anything about the generated signature being valid, nor
does it test the functional correctness of the cryptosystem.

Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/6066)
2018-04-25 10:24:43 +01:00
..
evpciph.txt SM4: Add SM4 block cipher to EVP 2017-10-31 15:19:14 +10:00
evpdigest.txt SHA512/224 and SHA512/256 2018-01-24 07:09:46 +10:00
evpencod.txt Move bn and evp test programs input data to their respective data dir 2017-06-15 19:46:24 +02:00
evpkdf.txt Add interface to the scrypt KDF by means of PKEY_METHOD 2017-08-08 15:44:49 +01:00
evpmac.txt Move bn and evp test programs input data to their respective data dir 2017-06-15 19:46:24 +02:00
evppbe.txt Move bn and evp test programs input data to their respective data dir 2017-06-15 19:46:24 +02:00
evppkey.txt [SM2_sign] add minimal EVP_PKEY functionality testing 2018-04-25 10:24:43 +01:00