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mesh: Provisioning: Reject identical random

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Adds check for provisioning random values that are identical to our own,
and terminates the provisioning procedure.

this is port of fc4fe09966059e79182279da5d8dd4348f5b513d
This commit is contained in:
Krzysztof Kopyściński
2021-01-12 14:05:19 +01:00
committed by Łukasz Rymanowski
parent f0a80d06e8
commit bf4560e454
1 changed files with 6 additions and 0 deletions
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nimble/host/mesh/src/prov.c
+6
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@@ -919,6 +919,12 @@ static void prov_random(const uint8_t *data)
BT_DBG("Remote Random: %s", bt_hex(data, 16));
if (!memcmp(data, link.rand, 16)) {
BT_ERR("Random value is identical to ours, rejecting.");
prov_fail(PROV_ERR_CFM_FAILED);
return;
}
if (bt_mesh_prov_conf(link.conf_key, data, link.auth, conf_verify)) {
BT_ERR("Unable to calculate confirmation verification");
prov_fail(PROV_ERR_UNEXP_ERR);