diff options
| author | Tudor Ambarus <tudor.ambarus@microchip.com> | 2017-09-28 17:14:51 +0300 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2017-10-06 21:35:47 +0300 |
| commit | 47eb2ac809189e0a60ad78eec6db9e84004e11be (patch) | |
| tree | a1974722296d4b7e82ba70a181dbc3ac0a005708 /net/bluetooth/selftest.c | |
| parent | 24a3a32a99ca9dcd8b2cdbaf5c99e6d99878cdb0 (diff) | |
| download | linux-47eb2ac809189e0a60ad78eec6db9e84004e11be.tar.xz | |
Bluetooth: move ecdh allocation outside of ecdh_helper
Before this change, a new crypto tfm was allocated, each time,
for both key generation and shared secret computation.
Allocate a single tfm for both cases.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth/selftest.c')
| -rw-r--r-- | net/bluetooth/selftest.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/net/bluetooth/selftest.c b/net/bluetooth/selftest.c index 34a1227f4391..126bdc5a77a7 100644 --- a/net/bluetooth/selftest.c +++ b/net/bluetooth/selftest.c @@ -138,9 +138,9 @@ static const u8 dhkey_3[32] __initconst = { 0x7c, 0x1c, 0xf9, 0x49, 0xe6, 0xd7, 0xaa, 0x70, }; -static int __init test_ecdh_sample(const u8 priv_a[32], const u8 priv_b[32], - const u8 pub_a[64], const u8 pub_b[64], - const u8 dhkey[32]) +static int __init test_ecdh_sample(struct crypto_kpp *tfm, const u8 priv_a[32], + const u8 priv_b[32], const u8 pub_a[64], + const u8 pub_b[64], const u8 dhkey[32]) { u8 *tmp, *dhkey_a, *dhkey_b; int ret = 0; @@ -152,8 +152,8 @@ static int __init test_ecdh_sample(const u8 priv_a[32], const u8 priv_b[32], dhkey_a = &tmp[0]; dhkey_b = &tmp[32]; - compute_ecdh_secret(pub_b, priv_a, dhkey_a); - compute_ecdh_secret(pub_a, priv_b, dhkey_b); + compute_ecdh_secret(tfm, pub_b, priv_a, dhkey_a); + compute_ecdh_secret(tfm, pub_a, priv_b, dhkey_b); if (memcmp(dhkey_a, dhkey, 32)) { ret = -EINVAL; @@ -185,30 +185,43 @@ static const struct file_operations test_ecdh_fops = { static int __init test_ecdh(void) { + struct crypto_kpp *tfm; ktime_t calltime, delta, rettime; unsigned long long duration; int err; calltime = ktime_get(); - err = test_ecdh_sample(priv_a_1, priv_b_1, pub_a_1, pub_b_1, dhkey_1); + tfm = crypto_alloc_kpp("ecdh", CRYPTO_ALG_INTERNAL, 0); + if (IS_ERR(tfm)) { + BT_ERR("Unable to create ECDH crypto context"); + err = PTR_ERR(tfm); + goto done; + } + + err = test_ecdh_sample(tfm, priv_a_1, priv_b_1, pub_a_1, pub_b_1, + dhkey_1); if (err) { BT_ERR("ECDH sample 1 failed"); goto done; } - err = test_ecdh_sample(priv_a_2, priv_b_2, pub_a_2, pub_b_2, dhkey_2); + err = test_ecdh_sample(tfm, priv_a_2, priv_b_2, pub_a_2, pub_b_2, + dhkey_2); if (err) { BT_ERR("ECDH sample 2 failed"); goto done; } - err = test_ecdh_sample(priv_a_3, priv_a_3, pub_a_3, pub_a_3, dhkey_3); + err = test_ecdh_sample(tfm, priv_a_3, priv_a_3, pub_a_3, pub_a_3, + dhkey_3); if (err) { BT_ERR("ECDH sample 3 failed"); goto done; } + crypto_free_kpp(tfm); + rettime = ktime_get(); delta = ktime_sub(rettime, calltime); duration = (unsigned long long) ktime_to_ns(delta) >> 10; |