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crypto: testmgr - support test with different ciphertext per encryption 

Some asymmetric algorithms will get different ciphertext after
each encryption, such as SM2, and let testmgr support the testing
of such algorithms.

In struct akcipher_testvec, set c and c_size to be empty, skip
the comparison of the ciphertext, and compare the decrypted
plaintext with m to achieve the test purpose.

Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Tested-by: Xufeng Zhang <yunbo.xufeng@linux.alibaba.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Tianjia Zhang 2020-09-21 00:20:58 +08:00 committed by Herbert Xu
parent ea7ecb6644
commit a1f62c217d
1 changed files with 6 additions and 1 deletions
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7
crypto/testmgr.c
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@ -4026,7 +4026,7 @@ static int test_akcipher_one(struct crypto_akcipher *tfm,
pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
goto free_all;
}
if (!vecs->siggen_sigver_test) {
if (!vecs->siggen_sigver_test && c) {
if (req->dst_len != c_size) {
pr_err("alg: akcipher: %s test failed. Invalid output len\n",
op);
@ -4057,6 +4057,11 @@ static int test_akcipher_one(struct crypto_akcipher *tfm,
goto free_all;
}
if (!vecs->siggen_sigver_test && !c) {
c = outbuf_enc;
c_size = req->dst_len;
}
op = vecs->siggen_sigver_test ? "sign" : "decrypt";
if (WARN_ON(c_size > PAGE_SIZE))
goto free_all;