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authorHerbert Xu <herbert@gondor.apana.org.au>2008-11-07 14:58:52 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2008-12-25 11:01:38 +1100
commit8e3ee85e68c5d5c95451afd3e8f0997eec6f99e5 (patch)
tree188df76b1136e549a0e63c9dc17641912df87515 /crypto
parentb7e8bdadce6317eb13c13b9451d7114614aa1450 (diff)
downloadconfigs-8e3ee85e68c5d5c95451afd3e8f0997eec6f99e5.tar.gz
crypto: crc32c - Test descriptor context format
This patch adds a test for the requirement that all crc32c algorithms shall store the partial result in the first four bytes of the descriptor context. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/testmgr.c51
1 files changed, 50 insertions, 1 deletions
diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index 308d9cffdc4..67dce77d49d 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -1010,6 +1010,55 @@ static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
return err;
}
+static int alg_test_crc32c(const struct alg_test_desc *desc,
+ const char *driver, u32 type, u32 mask)
+{
+ struct crypto_shash *tfm;
+ u32 val;
+ int err;
+
+ err = alg_test_hash(desc, driver, type, mask);
+ if (err)
+ goto out;
+
+ tfm = crypto_alloc_shash(driver, type, mask);
+ if (IS_ERR(tfm)) {
+ printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
+ "%ld\n", driver, PTR_ERR(tfm));
+ err = PTR_ERR(tfm);
+ goto out;
+ }
+
+ do {
+ struct {
+ struct shash_desc shash;
+ char ctx[crypto_shash_descsize(tfm)];
+ } sdesc;
+
+ sdesc.shash.tfm = tfm;
+ sdesc.shash.flags = 0;
+
+ *(u32 *)sdesc.ctx = le32_to_cpu(420553207);
+ err = crypto_shash_final(&sdesc.shash, (u8 *)&val);
+ if (err) {
+ printk(KERN_ERR "alg: crc32c: Operation failed for "
+ "%s: %d\n", driver, err);
+ break;
+ }
+
+ if (val != ~420553207) {
+ printk(KERN_ERR "alg: crc32c: Test failed for %s: "
+ "%d\n", driver, val);
+ err = -EINVAL;
+ }
+ } while (0);
+
+ crypto_free_shash(tfm);
+
+out:
+ return err;
+}
+
/* Please keep this list sorted by algorithm name. */
static const struct alg_test_desc alg_test_descs[] = {
{
@@ -1134,7 +1183,7 @@ static const struct alg_test_desc alg_test_descs[] = {
}
}, {
.alg = "crc32c",
- .test = alg_test_hash,
+ .test = alg_test_crc32c,
.suite = {
.hash = {
.vecs = crc32c_tv_template,