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DPP: Use helper functions to build Bootstrap Key Hash attributes

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Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2017-11-19 12:41:57 +02:00 committed by Jouni Malinen
parent acdf703d50
commit 9efa531499
1 changed files with 32 additions and 34 deletions
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66
src/common/dpp.c
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@ -1446,6 +1446,30 @@ static void dpp_build_attr_status(struct wpabuf *msg,
}
static void dpp_build_attr_r_bootstrap_key_hash(struct wpabuf *msg,
const u8 *hash)
{
if (hash) {
wpa_printf(MSG_DEBUG, "DPP: R-Bootstrap Key Hash");
wpabuf_put_le16(msg, DPP_ATTR_R_BOOTSTRAP_KEY_HASH);
wpabuf_put_le16(msg, SHA256_MAC_LEN);
wpabuf_put_data(msg, hash, SHA256_MAC_LEN);
}
}
static void dpp_build_attr_i_bootstrap_key_hash(struct wpabuf *msg,
const u8 *hash)
{
if (hash) {
wpa_printf(MSG_DEBUG, "DPP: I-Bootstrap Key Hash");
wpabuf_put_le16(msg, DPP_ATTR_I_BOOTSTRAP_KEY_HASH);
wpabuf_put_le16(msg, SHA256_MAC_LEN);
wpabuf_put_data(msg, hash, SHA256_MAC_LEN);
}
}
static struct wpabuf * dpp_auth_build_req(struct dpp_authentication *auth,
const struct wpabuf *pi,
size_t nonce_len,
@ -1477,18 +1501,10 @@ static struct wpabuf * dpp_auth_build_req(struct dpp_authentication *auth,
attr_start = wpabuf_put(msg, 0);
/* Responder Bootstrapping Key Hash */
if (r_pubkey_hash) {
wpabuf_put_le16(msg, DPP_ATTR_R_BOOTSTRAP_KEY_HASH);
wpabuf_put_le16(msg, SHA256_MAC_LEN);
wpabuf_put_data(msg, r_pubkey_hash, SHA256_MAC_LEN);
}
dpp_build_attr_r_bootstrap_key_hash(msg, r_pubkey_hash);
/* Initiator Bootstrapping Key Hash */
if (i_pubkey_hash) {
wpabuf_put_le16(msg, DPP_ATTR_I_BOOTSTRAP_KEY_HASH);
wpabuf_put_le16(msg, SHA256_MAC_LEN);
wpabuf_put_data(msg, i_pubkey_hash, SHA256_MAC_LEN);
}
dpp_build_attr_i_bootstrap_key_hash(msg, i_pubkey_hash);
/* Initiator Protocol Key */
if (pi) {
@ -1647,19 +1663,10 @@ static struct wpabuf * dpp_auth_build_resp(struct dpp_authentication *auth,
dpp_build_attr_status(msg, status);
/* Responder Bootstrapping Key Hash */
if (r_pubkey_hash) {
wpabuf_put_le16(msg, DPP_ATTR_R_BOOTSTRAP_KEY_HASH);
wpabuf_put_le16(msg, SHA256_MAC_LEN);
wpabuf_put_data(msg, r_pubkey_hash, SHA256_MAC_LEN);
}
dpp_build_attr_r_bootstrap_key_hash(msg, r_pubkey_hash);
/* Initiator Bootstrapping Key Hash */
if (i_pubkey_hash) {
/* Mutual authentication */
wpabuf_put_le16(msg, DPP_ATTR_I_BOOTSTRAP_KEY_HASH);
wpabuf_put_le16(msg, SHA256_MAC_LEN);
wpabuf_put_data(msg, i_pubkey_hash, SHA256_MAC_LEN);
}
/* Initiator Bootstrapping Key Hash (mutual authentication) */
dpp_build_attr_i_bootstrap_key_hash(msg, i_pubkey_hash);
/* Responder Protocol Key */
if (pr) {
@ -3052,19 +3059,10 @@ skip_status:
#endif /* CONFIG_TESTING_OPTIONS */
/* Responder Bootstrapping Key Hash */
if (r_pubkey_hash) {
wpabuf_put_le16(msg, DPP_ATTR_R_BOOTSTRAP_KEY_HASH);
wpabuf_put_le16(msg, SHA256_MAC_LEN);
wpabuf_put_data(msg, r_pubkey_hash, SHA256_MAC_LEN);
}
dpp_build_attr_r_bootstrap_key_hash(msg, r_pubkey_hash);
if (i_pubkey_hash) {
/* Mutual authentication */
/* Initiator Bootstrapping Key Hash */
wpabuf_put_le16(msg, DPP_ATTR_I_BOOTSTRAP_KEY_HASH);
wpabuf_put_le16(msg, SHA256_MAC_LEN);
wpabuf_put_data(msg, i_pubkey_hash, SHA256_MAC_LEN);
}
/* Initiator Bootstrapping Key Hash (mutual authentication) */
dpp_build_attr_i_bootstrap_key_hash(msg, i_pubkey_hash);
#ifdef CONFIG_TESTING_OPTIONS
if (dpp_test == DPP_TEST_NO_WRAPPED_DATA_AUTH_CONF)