korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-14 15:54:15 +08:00
Code Issues Packages Projects Releases Wiki Activity

crypto: hisilicon/hpre - optimize registration of ecdh

Browse Source 
Use table to store the different ecdh curve configuration,
making the registration of ecdh clearer and expansion more
convenient.

Signed-off-by: Zhiqi Song <songzhiqi1@huawei.com>
Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Zhiqi Song 2022-09-09 17:47:01 +08:00 committed by Herbert Xu
parent f214d59a06
commit b1be70a8c9
1 changed files with 63 additions and 73 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

136
drivers/crypto/hisilicon/hpre/hpre_crypto.c
View File

@ -2008,55 +2008,53 @@ static struct kpp_alg dh = {
},
};
static struct kpp_alg ecdh_nist_p192 = {
.set_secret = hpre_ecdh_set_secret,
.generate_public_key = hpre_ecdh_compute_value,
.compute_shared_secret = hpre_ecdh_compute_value,
.max_size = hpre_ecdh_max_size,
.init = hpre_ecdh_nist_p192_init_tfm,
.exit = hpre_ecdh_exit_tfm,
.reqsize = sizeof(struct hpre_asym_request) + HPRE_ALIGN_SZ,
.base = {
.cra_ctxsize = sizeof(struct hpre_ctx),
.cra_priority = HPRE_CRYPTO_ALG_PRI,
.cra_name = "ecdh-nist-p192",
.cra_driver_name = "hpre-ecdh-nist-p192",
.cra_module = THIS_MODULE,
},
};
static struct kpp_alg ecdh_nist_p256 = {
.set_secret = hpre_ecdh_set_secret,
.generate_public_key = hpre_ecdh_compute_value,
.compute_shared_secret = hpre_ecdh_compute_value,
.max_size = hpre_ecdh_max_size,
.init = hpre_ecdh_nist_p256_init_tfm,
.exit = hpre_ecdh_exit_tfm,
.reqsize = sizeof(struct hpre_asym_request) + HPRE_ALIGN_SZ,
.base = {
.cra_ctxsize = sizeof(struct hpre_ctx),
.cra_priority = HPRE_CRYPTO_ALG_PRI,
.cra_name = "ecdh-nist-p256",
.cra_driver_name = "hpre-ecdh-nist-p256",
.cra_module = THIS_MODULE,
},
};
static struct kpp_alg ecdh_nist_p384 = {
.set_secret = hpre_ecdh_set_secret,
.generate_public_key = hpre_ecdh_compute_value,
.compute_shared_secret = hpre_ecdh_compute_value,
.max_size = hpre_ecdh_max_size,
.init = hpre_ecdh_nist_p384_init_tfm,
.exit = hpre_ecdh_exit_tfm,
.reqsize = sizeof(struct hpre_asym_request) + HPRE_ALIGN_SZ,
.base = {
.cra_ctxsize = sizeof(struct hpre_ctx),
.cra_priority = HPRE_CRYPTO_ALG_PRI,
.cra_name = "ecdh-nist-p384",
.cra_driver_name = "hpre-ecdh-nist-p384",
.cra_module = THIS_MODULE,
},
static struct kpp_alg ecdh_curves[] = {
{
.set_secret = hpre_ecdh_set_secret,
.generate_public_key = hpre_ecdh_compute_value,
.compute_shared_secret = hpre_ecdh_compute_value,
.max_size = hpre_ecdh_max_size,
.init = hpre_ecdh_nist_p192_init_tfm,
.exit = hpre_ecdh_exit_tfm,
.reqsize = sizeof(struct hpre_asym_request) + HPRE_ALIGN_SZ,
.base = {
.cra_ctxsize = sizeof(struct hpre_ctx),
.cra_priority = HPRE_CRYPTO_ALG_PRI,
.cra_name = "ecdh-nist-p192",
.cra_driver_name = "hpre-ecdh-nist-p192",
.cra_module = THIS_MODULE,
},
}, {
.set_secret = hpre_ecdh_set_secret,
.generate_public_key = hpre_ecdh_compute_value,
.compute_shared_secret = hpre_ecdh_compute_value,
.max_size = hpre_ecdh_max_size,
.init = hpre_ecdh_nist_p256_init_tfm,
.exit = hpre_ecdh_exit_tfm,
.reqsize = sizeof(struct hpre_asym_request) + HPRE_ALIGN_SZ,
.base = {
.cra_ctxsize = sizeof(struct hpre_ctx),
.cra_priority = HPRE_CRYPTO_ALG_PRI,
.cra_name = "ecdh-nist-p256",
.cra_driver_name = "hpre-ecdh-nist-p256",
.cra_module = THIS_MODULE,
},
}, {
.set_secret = hpre_ecdh_set_secret,
.generate_public_key = hpre_ecdh_compute_value,
.compute_shared_secret = hpre_ecdh_compute_value,
.max_size = hpre_ecdh_max_size,
.init = hpre_ecdh_nist_p384_init_tfm,
.exit = hpre_ecdh_exit_tfm,
.reqsize = sizeof(struct hpre_asym_request) + HPRE_ALIGN_SZ,
.base = {
.cra_ctxsize = sizeof(struct hpre_ctx),
.cra_priority = HPRE_CRYPTO_ALG_PRI,
.cra_name = "ecdh-nist-p384",
.cra_driver_name = "hpre-ecdh-nist-p384",
.cra_module = THIS_MODULE,
},
}
};
static struct kpp_alg curve25519_alg = {
@ -2123,46 +2121,38 @@ static void hpre_unregister_dh(struct hisi_qm *qm)
static int hpre_register_ecdh(struct hisi_qm *qm)
{
int ret;
int ret, i;
if (!hpre_check_alg_support(qm, HPRE_DRV_ECDH_MASK_CAP))
return 0;
ret = crypto_register_kpp(&ecdh_nist_p192);
if (ret) {
dev_err(&qm->pdev->dev, "failed to register ecdh_nist_p192 (%d)!\n", ret);
return ret;
}
ret = crypto_register_kpp(&ecdh_nist_p256);
if (ret) {
dev_err(&qm->pdev->dev, "failed to register ecdh_nist_p256 (%d)!\n", ret);
goto unregister_ecdh_p192;
}
ret = crypto_register_kpp(&ecdh_nist_p384);
if (ret) {
dev_err(&qm->pdev->dev, "failed to register ecdh_nist_p384 (%d)!\n", ret);
goto unregister_ecdh_p256;
for (i = 0; i < ARRAY_SIZE(ecdh_curves); i++) {
ret = crypto_register_kpp(&ecdh_curves[i]);
if (ret) {
dev_err(&qm->pdev->dev, "failed to register %s (%d)!\n",
ecdh_curves[i].base.cra_name, ret);
goto unreg_kpp;
}
}
return 0;
unregister_ecdh_p256:
crypto_unregister_kpp(&ecdh_nist_p256);
unregister_ecdh_p192:
crypto_unregister_kpp(&ecdh_nist_p192);
unreg_kpp:
for (--i; i >= 0; --i)
crypto_unregister_kpp(&ecdh_curves[i]);
return ret;
}
static void hpre_unregister_ecdh(struct hisi_qm *qm)
{
int i;
if (!hpre_check_alg_support(qm, HPRE_DRV_ECDH_MASK_CAP))
return;
crypto_unregister_kpp(&ecdh_nist_p384);
crypto_unregister_kpp(&ecdh_nist_p256);
crypto_unregister_kpp(&ecdh_nist_p192);
for (i = ARRAY_SIZE(ecdh_curves) - 1; i >= 0; --i)
crypto_unregister_kpp(&ecdh_curves[i]);
}
static int hpre_register_x25519(struct hisi_qm *qm)