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crypto: testmgr - support test with different ciphertext per encryption

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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;