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crypto: testmgr - Add testing for async hashing and update/final 

Extend testmgr such that it tests async hash algorithms,
and that for both sync and async hashes it tests both
->digest() and ->update()/->final() sequences.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
David S. Miller 2010-05-19 14:12:03 +10:00 committed by Herbert Xu
parent beb63da739
commit a8f1a05292
1 changed files with 48 additions and 18 deletions
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66
crypto/testmgr.c
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@ -153,8 +153,21 @@ static void testmgr_free_buf(char *buf[XBUFSIZE])
free_page((unsigned long)buf[i]);
}
static int do_one_async_hash_op(struct ahash_request *req,
struct tcrypt_result *tr,
int ret)
{
if (ret == -EINPROGRESS || ret == -EBUSY) {
ret = wait_for_completion_interruptible(&tr->completion);
if (!ret)
ret = tr->err;
INIT_COMPLETION(tr->completion);
}
return ret;
}
static int test_hash(struct crypto_ahash *tfm, struct hash_testvec *template,
unsigned int tcount)
unsigned int tcount, bool use_digest)
{
const char *algo = crypto_tfm_alg_driver_name(crypto_ahash_tfm(tfm));
unsigned int i, j, k, temp;
@ -206,23 +219,36 @@ static int test_hash(struct crypto_ahash *tfm, struct hash_testvec *template,
}
ahash_request_set_crypt(req, sg, result, template[i].psize);
ret = crypto_ahash_digest(req);
switch (ret) {
case 0:
break;
case -EINPROGRESS:
case -EBUSY:
ret = wait_for_completion_interruptible(
&tresult.completion);
if (!ret && !(ret = tresult.err)) {
INIT_COMPLETION(tresult.completion);
break;
if (use_digest) {
ret = do_one_async_hash_op(req, &tresult,
crypto_ahash_digest(req));
if (ret) {
pr_err("alg: hash: digest failed on test %d "
"for %s: ret=%d\n", j, algo, -ret);
goto out;
}
} else {
ret = do_one_async_hash_op(req, &tresult,
crypto_ahash_init(req));
if (ret) {
pr_err("alt: hash: init failed on test %d "
"for %s: ret=%d\n", j, algo, -ret);
goto out;
}
ret = do_one_async_hash_op(req, &tresult,
crypto_ahash_update(req));
if (ret) {
pr_err("alt: hash: update failed on test %d "
"for %s: ret=%d\n", j, algo, -ret);
goto out;
}
ret = do_one_async_hash_op(req, &tresult,
crypto_ahash_final(req));
if (ret) {
pr_err("alt: hash: final failed on test %d "
"for %s: ret=%d\n", j, algo, -ret);
goto out;
}
/* fall through */
default:
printk(KERN_ERR "alg: hash: digest failed on test %d "
"for %s: ret=%d\n", j, algo, -ret);
goto out;
}
if (memcmp(result, template[i].digest,
@ -1402,7 +1428,11 @@ static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
return PTR_ERR(tfm);
}
err = test_hash(tfm, desc->suite.hash.vecs, desc->suite.hash.count);
err = test_hash(tfm, desc->suite.hash.vecs,
desc->suite.hash.count, true);
if (!err)
err = test_hash(tfm, desc->suite.hash.vecs,
desc->suite.hash.count, false);
crypto_free_ahash(tfm);
return err;