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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>
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1 changed files with 50 additions and 1 deletions
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@ -1010,6 +1010,55 @@ static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
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return err;
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}
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static int alg_test_crc32c(const struct alg_test_desc *desc,
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const char *driver, u32 type, u32 mask)
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{
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struct crypto_shash *tfm;
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u32 val;
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int err;
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err = alg_test_hash(desc, driver, type, mask);
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if (err)
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goto out;
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tfm = crypto_alloc_shash(driver, type, mask);
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if (IS_ERR(tfm)) {
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printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
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"%ld\n", driver, PTR_ERR(tfm));
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err = PTR_ERR(tfm);
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goto out;
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}
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do {
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struct {
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struct shash_desc shash;
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char ctx[crypto_shash_descsize(tfm)];
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} sdesc;
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sdesc.shash.tfm = tfm;
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sdesc.shash.flags = 0;
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*(u32 *)sdesc.ctx = le32_to_cpu(420553207);
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err = crypto_shash_final(&sdesc.shash, (u8 *)&val);
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if (err) {
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printk(KERN_ERR "alg: crc32c: Operation failed for "
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"%s: %d\n", driver, err);
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break;
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}
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if (val != ~420553207) {
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printk(KERN_ERR "alg: crc32c: Test failed for %s: "
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"%d\n", driver, val);
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err = -EINVAL;
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}
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} while (0);
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crypto_free_shash(tfm);
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out:
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return err;
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}
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/* Please keep this list sorted by algorithm name. */
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static const struct alg_test_desc alg_test_descs[] = {
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{
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@ -1134,7 +1183,7 @@ static const struct alg_test_desc alg_test_descs[] = {
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}
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}, {
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.alg = "crc32c",
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.test = alg_test_hash,
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.test = alg_test_crc32c,
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.suite = {
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.hash = {
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.vecs = crc32c_tv_template,
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