From: Tianjia Zhang Date: Sun, 20 Sep 2020 16:20:58 +0000 (+0800) Subject: crypto: testmgr - support test with different ciphertext per encryption X-Git-Tag: v5.10-rc1~181^2~40 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a1f62c217d9c371187dd14d2e1370923aae58994;p=thirdparty%2Fkernel%2Flinux.git 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 Tested-by: Xufeng Zhang Signed-off-by: Herbert Xu --- diff --git a/crypto/testmgr.c b/crypto/testmgr.c index 66ee3bbc98725..d084de4c60f26 100644 --- a/crypto/testmgr.c +++ b/crypto/testmgr.c @@ -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;