diff options
| author | Gilad Ben-Yossef <gilad@benyossef.com> | 2017-10-18 08:00:40 +0100 |
|---|---|---|
| committer | Mircea Pop <mircea.pop@nxp.com> | 2019-05-14 09:54:35 +0200 |
| commit | ebcfc56c6c2ff5b8e2485ac0558403559c480536 (patch) | |
| tree | d0f1d6edcfaa6c9a906593004126f87b4f5f8de9 /crypto | |
| parent | e9a23adaf413756c4c38bceeaeb5d5a5a4329ca1 (diff) | |
crypto: move pub key to generic async completion
public_key_verify_signature() is starting an async crypto op and
waiting for it to complete. Move it over to generic code doing
the same.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
(cherry picked from commit 0ca2a04ac398a71e49b0b093f365d1188cc13e01)
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/asymmetric_keys/public_key.c | 28 |
1 files changed, 4 insertions, 24 deletions
diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c index d1af69d2ff85..ab8dad86e0d5 100644 --- a/crypto/asymmetric_keys/public_key.c +++ b/crypto/asymmetric_keys/public_key.c @@ -57,29 +57,13 @@ static void public_key_destroy(void *payload0, void *payload3) public_key_signature_free(payload3); } -struct public_key_completion { - struct completion completion; - int err; -}; - -static void public_key_verify_done(struct crypto_async_request *req, int err) -{ - struct public_key_completion *compl = req->data; - - if (err == -EINPROGRESS) - return; - - compl->err = err; - complete(&compl->completion); -} - /* * Verify a signature using a public key. */ int public_key_verify_signature(const struct public_key *pkey, const struct public_key_signature *sig) { - struct public_key_completion compl; + struct crypto_wait cwait; struct crypto_akcipher *tfm; struct akcipher_request *req; struct scatterlist sig_sg, digest_sg; @@ -133,20 +117,16 @@ int public_key_verify_signature(const struct public_key *pkey, sg_init_one(&digest_sg, output, outlen); akcipher_request_set_crypt(req, &sig_sg, &digest_sg, sig->s_size, outlen); - init_completion(&compl.completion); + crypto_init_wait(&cwait); akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG | CRYPTO_TFM_REQ_MAY_SLEEP, - public_key_verify_done, &compl); + crypto_req_done, &cwait); /* Perform the verification calculation. This doesn't actually do the * verification, but rather calculates the hash expected by the * signature and returns that to us. */ - ret = crypto_akcipher_verify(req); - if ((ret == -EINPROGRESS) || (ret == -EBUSY)) { - wait_for_completion(&compl.completion); - ret = compl.err; - } + ret = crypto_wait_req(crypto_akcipher_verify(req), &cwait); if (ret < 0) goto out_free_output; |