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SAE: Move commit element validation steps into single location

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It is clearer to keep all the validation steps described in IEEE 802.11
11.3.5.4 in a single location instead of splitting this between the
parsing and processing functions.

Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2013-03-10 11:26:22 +02:00
parent 89ffe06d68
commit 0bb229a6e8
1 changed files with 6 additions and 6 deletions
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12
src/common/sae.c
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@ -524,12 +524,6 @@ static int sae_derive_k_ecc(struct sae_data *sae, u8 *k)
if (K == NULL) if (K == NULL)
goto fail; goto fail;
if (!crypto_ec_point_is_on_curve(sae->tmp->ec,
sae->tmp->peer_commit_element_ecc)) {
wpa_printf(MSG_DEBUG, "SAE: Peer element is not on curve");
goto fail;
}
/* /*
* K = scalar-op(rand, (elem-op(scalar-op(peer-commit-scalar, PWE), * K = scalar-op(rand, (elem-op(scalar-op(peer-commit-scalar, PWE),
* PEER-COMMIT-ELEMENT))) * PEER-COMMIT-ELEMENT)))
@ -821,6 +815,12 @@ static u16 sae_parse_commit_element_ecc(struct sae_data *sae, const u8 *pos,
if (sae->tmp->peer_commit_element_ecc == NULL) if (sae->tmp->peer_commit_element_ecc == NULL)
return WLAN_STATUS_UNSPECIFIED_FAILURE; return WLAN_STATUS_UNSPECIFIED_FAILURE;
if (!crypto_ec_point_is_on_curve(sae->tmp->ec,
sae->tmp->peer_commit_element_ecc)) {
wpa_printf(MSG_DEBUG, "SAE: Peer element is not on curve");
return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
return WLAN_STATUS_SUCCESS; return WLAN_STATUS_SUCCESS;
} }