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author | Tadeusz Struk <tadeusz.struk@intel.com> | 2015-10-08 18:26:55 +0200 |
---|---|---|
committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-10-14 16:23:16 +0200 |
commit | 22287b0b5988b603b5f0daa282c89aaf2b877313 (patch) | |
tree | c8a1d714f4184feafc2885ab4a2968451397da03 /crypto/testmgr.c | |
parent | lib/mpi: Add mpi sgl helpers (diff) | |
download | linux-22287b0b5988b603b5f0daa282c89aaf2b877313.tar.xz linux-22287b0b5988b603b5f0daa282c89aaf2b877313.zip |
crypto: akcipher - Changes to asymmetric key API
Setkey function has been split into set_priv_key and set_pub_key.
Akcipher requests takes sgl for src and dst instead of void *.
Users of the API i.e. two existing RSA implementation and
test mgr code have been updated accordingly.
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/testmgr.c')
-rw-r--r-- | crypto/testmgr.c | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/crypto/testmgr.c b/crypto/testmgr.c index 523c9b955057..25032b0fd9ed 100644 --- a/crypto/testmgr.c +++ b/crypto/testmgr.c @@ -1845,34 +1845,34 @@ static int do_test_rsa(struct crypto_akcipher *tfm, struct tcrypt_result result; unsigned int out_len_max, out_len = 0; int err = -ENOMEM; + struct scatterlist src, dst, src_tab[2]; req = akcipher_request_alloc(tfm, GFP_KERNEL); if (!req) return err; init_completion(&result.completion); - err = crypto_akcipher_setkey(tfm, vecs->key, vecs->key_len); - if (err) - goto free_req; - akcipher_request_set_crypt(req, vecs->m, outbuf_enc, vecs->m_size, - out_len); - /* expect this to fail, and update the required buf len */ - crypto_akcipher_encrypt(req); - out_len = req->dst_len; - if (!out_len) { - err = -EINVAL; + if (vecs->public_key_vec) + err = crypto_akcipher_set_pub_key(tfm, vecs->key, + vecs->key_len); + else + err = crypto_akcipher_set_priv_key(tfm, vecs->key, + vecs->key_len); + if (err) goto free_req; - } - out_len_max = out_len; - err = -ENOMEM; + out_len_max = crypto_akcipher_maxsize(tfm); outbuf_enc = kzalloc(out_len_max, GFP_KERNEL); if (!outbuf_enc) goto free_req; - akcipher_request_set_crypt(req, vecs->m, outbuf_enc, vecs->m_size, - out_len); + sg_init_table(src_tab, 2); + sg_set_buf(&src_tab[0], vecs->m, 8); + sg_set_buf(&src_tab[1], vecs->m + 8, vecs->m_size - 8); + sg_init_one(&dst, outbuf_enc, out_len_max); + akcipher_request_set_crypt(req, src_tab, &dst, vecs->m_size, + out_len_max); akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, tcrypt_complete, &result); @@ -1882,13 +1882,13 @@ static int do_test_rsa(struct crypto_akcipher *tfm, pr_err("alg: rsa: encrypt test failed. err %d\n", err); goto free_all; } - if (out_len != vecs->c_size) { + if (req->dst_len != vecs->c_size) { pr_err("alg: rsa: encrypt test failed. Invalid output len\n"); err = -EINVAL; goto free_all; } /* verify that encrypted message is equal to expected */ - if (memcmp(vecs->c, outbuf_enc, vecs->c_size)) { + if (memcmp(vecs->c, sg_virt(req->dst), vecs->c_size)) { pr_err("alg: rsa: encrypt test failed. Invalid output\n"); err = -EINVAL; goto free_all; @@ -1903,9 +1903,10 @@ static int do_test_rsa(struct crypto_akcipher *tfm, err = -ENOMEM; goto free_all; } + sg_init_one(&src, vecs->c, vecs->c_size); + sg_init_one(&dst, outbuf_dec, out_len_max); init_completion(&result.completion); - akcipher_request_set_crypt(req, outbuf_enc, outbuf_dec, vecs->c_size, - out_len); + akcipher_request_set_crypt(req, &src, &dst, vecs->c_size, out_len_max); /* Run RSA decrypt - m = c^d mod n;*/ err = wait_async_op(&result, crypto_akcipher_decrypt(req)); |