[CRYPTO] tcrypt: Use asynchronous hash interface
This patch changes tcrypt to use the new asynchronous hash interface
for testing hash algorithm correctness. The speed tests will continue
to use the existing interface for now.
Signed-off-by: Loc Ho <lho@amcc.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index e0ea4d5..e99cb4b 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -104,22 +104,30 @@
unsigned int i, j, k, temp;
struct scatterlist sg[8];
char result[64];
- struct crypto_hash *tfm;
- struct hash_desc desc;
+ struct crypto_ahash *tfm;
+ struct ahash_request *req;
+ struct tcrypt_result tresult;
int ret;
void *hash_buff;
printk("\ntesting %s\n", algo);
- tfm = crypto_alloc_hash(algo, 0, CRYPTO_ALG_ASYNC);
+ init_completion(&tresult.completion);
+
+ tfm = crypto_alloc_ahash(algo, 0, 0);
if (IS_ERR(tfm)) {
printk("failed to load transform for %s: %ld\n", algo,
PTR_ERR(tfm));
return;
}
- desc.tfm = tfm;
- desc.flags = 0;
+ req = ahash_request_alloc(tfm, GFP_KERNEL);
+ if (!req) {
+ printk(KERN_ERR "failed to allocate request for %s\n", algo);
+ goto out_noreq;
+ }
+ ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
+ tcrypt_complete, &tresult);
for (i = 0; i < tcount; i++) {
printk("test %u:\n", i + 1);
@@ -133,8 +141,9 @@
sg_init_one(&sg[0], hash_buff, template[i].psize);
if (template[i].ksize) {
- ret = crypto_hash_setkey(tfm, template[i].key,
- template[i].ksize);
+ crypto_ahash_clear_flags(tfm, ~0);
+ ret = crypto_ahash_setkey(tfm, template[i].key,
+ template[i].ksize);
if (ret) {
printk("setkey() failed ret=%d\n", ret);
kfree(hash_buff);
@@ -142,17 +151,30 @@
}
}
- ret = crypto_hash_digest(&desc, sg, template[i].psize, result);
- if (ret) {
+ 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;
+ }
+ /* fall through */
+ default:
printk("digest () failed ret=%d\n", ret);
kfree(hash_buff);
goto out;
}
- hexdump(result, crypto_hash_digestsize(tfm));
+ hexdump(result, crypto_ahash_digestsize(tfm));
printk("%s\n",
memcmp(result, template[i].digest,
- crypto_hash_digestsize(tfm)) ?
+ crypto_ahash_digestsize(tfm)) ?
"fail" : "pass");
kfree(hash_buff);
}
@@ -181,8 +203,9 @@
}
if (template[i].ksize) {
- ret = crypto_hash_setkey(tfm, template[i].key,
- template[i].ksize);
+ crypto_ahash_clear_flags(tfm, ~0);
+ ret = crypto_ahash_setkey(tfm, template[i].key,
+ template[i].ksize);
if (ret) {
printk("setkey() failed ret=%d\n", ret);
@@ -190,23 +213,38 @@
}
}
- ret = crypto_hash_digest(&desc, sg, template[i].psize,
- result);
- if (ret) {
+ 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;
+ }
+ /* fall through */
+ default:
printk("digest () failed ret=%d\n", ret);
goto out;
}
- hexdump(result, crypto_hash_digestsize(tfm));
+ hexdump(result, crypto_ahash_digestsize(tfm));
printk("%s\n",
memcmp(result, template[i].digest,
- crypto_hash_digestsize(tfm)) ?
+ crypto_ahash_digestsize(tfm)) ?
"fail" : "pass");
}
}
out:
- crypto_free_hash(tfm);
+ ahash_request_free(req);
+out_noreq:
+ crypto_free_ahash(tfm);
}
static void test_aead(char *algo, int enc, struct aead_testvec *template,