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dpp: use own/peer naming rather than i/r

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Several members are named based on initiator/responder (i/r)
terminology. Eventually both initiator and responder will be
supported so rename these members to use own/peer naming
instead.
This commit is contained in:
James Prestwood 2022-01-18 13:25:05 -08:00 committed by Denis Kenzior
parent 52fafd8f5b
commit 8ce491fbb2
1 changed files with 35 additions and 35 deletions
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70
src/dpp.c
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@ -81,9 +81,9 @@ struct dpp_sm {
uint64_t wdev_id;
uint8_t *pub_asn1;
size_t pub_asn1_len;
uint8_t pub_boot_hash[32];
uint8_t *own_asn1;
size_t own_asn1_len;
uint8_t own_boot_hash[32];
const struct l_ecc_curve *curve;
size_t key_len;
size_t nonce_len;
@ -109,12 +109,12 @@ struct dpp_sm {
uint64_t ke[L_ECC_MAX_DIGITS];
uint64_t k2[L_ECC_MAX_DIGITS];
uint64_t r_auth[L_ECC_MAX_DIGITS];
uint64_t auth_tag[L_ECC_MAX_DIGITS];
struct l_ecc_scalar *proto_private;
struct l_ecc_point *proto_public;
struct l_ecc_point *own_proto_public;
struct l_ecc_point *i_proto_public;
struct l_ecc_point *peer_proto_public;
uint8_t diag_token;
@ -131,9 +131,9 @@ struct dpp_sm {
static void dpp_free_auth_data(struct dpp_sm *dpp)
{
if (dpp->proto_public) {
l_ecc_point_free(dpp->proto_public);
dpp->proto_public = NULL;
if (dpp->own_proto_public) {
l_ecc_point_free(dpp->own_proto_public);
dpp->own_proto_public = NULL;
}
if (dpp->proto_private) {
@ -141,9 +141,9 @@ static void dpp_free_auth_data(struct dpp_sm *dpp)
dpp->proto_private = NULL;
}
if (dpp->i_proto_public) {
l_ecc_point_free(dpp->i_proto_public);
dpp->i_proto_public = NULL;
if (dpp->peer_proto_public) {
l_ecc_point_free(dpp->peer_proto_public);
dpp->peer_proto_public = NULL;
}
}
@ -189,7 +189,7 @@ static void dpp_reset(struct dpp_sm *dpp)
explicit_bzero(dpp->e_nonce, dpp->nonce_len);
explicit_bzero(dpp->ke, dpp->key_len);
explicit_bzero(dpp->k2, dpp->key_len);
explicit_bzero(dpp->r_auth, dpp->key_len);
explicit_bzero(dpp->auth_tag, dpp->key_len);
dpp_free_auth_data(dpp);
}
@ -198,9 +198,9 @@ static void dpp_free(struct dpp_sm *dpp)
{
dpp_reset(dpp);
if (dpp->pub_asn1) {
l_free(dpp->pub_asn1);
dpp->pub_asn1 = NULL;
if (dpp->own_asn1) {
l_free(dpp->own_asn1);
dpp->own_asn1 = NULL;
}
if (dpp->boot_public) {
@ -1011,7 +1011,7 @@ static void send_authenticate_response(struct dpp_sm *dpp)
uint8_t wrapped2[dpp->key_len + 16 + 8];
size_t wrapped2_len;
l_ecc_point_get_data(dpp->proto_public, r_proto_key,
l_ecc_point_get_data(dpp->own_proto_public, r_proto_key,
sizeof(r_proto_key));
iov[0].iov_len = dpp_build_header(netdev_get_address(dpp->netdev),
@ -1021,7 +1021,7 @@ static void send_authenticate_response(struct dpp_sm *dpp)
ptr += dpp_append_attr(ptr, DPP_ATTR_STATUS, &status, 1);
ptr += dpp_append_attr(ptr, DPP_ATTR_RESPONDER_BOOT_KEY_HASH,
dpp->pub_boot_hash, 32);
dpp->own_boot_hash, 32);
ptr += dpp_append_attr(ptr, DPP_ATTR_RESPONDER_PROTOCOL_KEY,
r_proto_key, dpp->key_len * 2);
ptr += dpp_append_attr(ptr, DPP_ATTR_PROTOCOL_VERSION, &version, 1);
@ -1029,7 +1029,7 @@ static void send_authenticate_response(struct dpp_sm *dpp)
/* Wrap up secondary data (R-Auth) */
wrapped2_len = dpp_append_attr(wrapped2_plaintext,
DPP_ATTR_RESPONDER_AUTH_TAG,
dpp->r_auth, dpp->key_len);
dpp->auth_tag, dpp->key_len);
/*
* "Invocations of AES-SIV in the DPP Authentication protocol that
* produce ciphertext that is part of an additional AES-SIV invocation
@ -1165,7 +1165,7 @@ static void authenticate_confirm(struct dpp_sm *dpp, const uint8_t *from,
}
dpp_derive_i_auth(dpp->r_nonce, dpp->i_nonce, dpp->nonce_len,
dpp->proto_public, dpp->i_proto_public,
dpp->own_proto_public, dpp->peer_proto_public,
dpp->boot_public, i_auth_check);
if (memcmp(i_auth, i_auth_check, i_auth_len)) {
@ -1205,7 +1205,7 @@ static void dpp_auth_request_failed(struct dpp_sm *dpp,
ptr += dpp_append_attr(ptr, DPP_ATTR_STATUS, &s, 1);
ptr += dpp_append_attr(ptr, DPP_ATTR_RESPONDER_BOOT_KEY_HASH,
dpp->pub_boot_hash, 32);
dpp->own_boot_hash, 32);
ptr += dpp_append_attr(ptr, DPP_ATTR_PROTOCOL_VERSION, &version, 1);
@ -1247,7 +1247,7 @@ static void dpp_presence_announce(struct dpp_sm *dpp)
iov[0].iov_base = hdr;
dpp_hash(L_CHECKSUM_SHA256, hash, 2, "chirp", strlen("chirp"),
dpp->pub_asn1, dpp->pub_asn1_len);
dpp->own_asn1, dpp->own_asn1_len);
ptr += dpp_append_attr(ptr, DPP_ATTR_RESPONDER_BOOT_KEY_HASH, hash, 32);
@ -1463,21 +1463,21 @@ static void authenticate_request(struct dpp_sm *dpp, const uint8_t *from,
if (!r_boot || !i_boot || !i_proto || !wrapped)
goto auth_request_failed;
if (r_boot_len != 32 || memcmp(dpp->pub_boot_hash,
if (r_boot_len != 32 || memcmp(dpp->own_boot_hash,
r_boot, r_boot_len)) {
l_debug("Responder boot key hash failed to verify");
goto auth_request_failed;
}
dpp->i_proto_public = l_ecc_point_from_data(dpp->curve,
dpp->peer_proto_public = l_ecc_point_from_data(dpp->curve,
L_ECC_POINT_TYPE_FULL,
i_proto, i_proto_len);
if (!dpp->i_proto_public) {
if (!dpp->peer_proto_public) {
l_debug("Initiators protocol key invalid");
goto auth_request_failed;
}
m = dpp_derive_k1(dpp->i_proto_public, dpp->boot_private, k1);
m = dpp_derive_k1(dpp->peer_proto_public, dpp->boot_private, k1);
if (!m)
goto auth_request_failed;
@ -1527,9 +1527,9 @@ static void authenticate_request(struct dpp_sm *dpp, const uint8_t *from,
/* Derive keys k2, ke, and R-Auth for authentication response */
l_ecdh_generate_key_pair(dpp->curve, &dpp->proto_private,
&dpp->proto_public);
&dpp->own_proto_public);
n = dpp_derive_k2(dpp->i_proto_public, dpp->proto_private, dpp->k2);
n = dpp_derive_k2(dpp->peer_proto_public, dpp->proto_private, dpp->k2);
if (!n)
goto auth_request_failed;
@ -1539,8 +1539,8 @@ static void authenticate_request(struct dpp_sm *dpp, const uint8_t *from,
goto auth_request_failed;
if (!dpp_derive_r_auth(dpp->i_nonce, dpp->r_nonce, dpp->nonce_len,
dpp->i_proto_public, dpp->proto_public,
dpp->boot_public, dpp->r_auth))
dpp->peer_proto_public, dpp->own_proto_public,
dpp->boot_public, dpp->auth_tag))
goto auth_request_failed;
memcpy(dpp->auth_addr, from, 6);
@ -1664,10 +1664,10 @@ static void dpp_create(struct netdev *netdev)
l_ecdh_generate_key_pair(dpp->curve, &dpp->boot_private,
&dpp->boot_public);
dpp->pub_asn1 = dpp_point_to_asn1(dpp->boot_public, &dpp->pub_asn1_len);
dpp->own_asn1 = dpp_point_to_asn1(dpp->boot_public, &dpp->own_asn1_len);
dpp_hash(L_CHECKSUM_SHA256, dpp->pub_boot_hash, 1,
dpp->pub_asn1, dpp->pub_asn1_len);
dpp_hash(L_CHECKSUM_SHA256, dpp->own_boot_hash, 1,
dpp->own_asn1, dpp->own_asn1_len);
l_dbus_object_add_interface(dbus, netdev_get_path(netdev),
IWD_DPP_INTERFACE, dpp);
@ -1791,7 +1791,7 @@ static struct l_dbus_message *dpp_dbus_start_enrollee(struct l_dbus *dbus,
} else if (!station)
l_debug("No station device, continuing anyways...");
dpp->uri = dpp_generate_uri(dpp->pub_asn1, dpp->pub_asn1_len, 2,
dpp->uri = dpp_generate_uri(dpp->own_asn1, dpp->own_asn1_len, 2,
netdev_get_address(dpp->netdev), &freq,
1, NULL, NULL);
@ -1848,7 +1848,7 @@ static struct l_dbus_message *dpp_dbus_start_configurator(struct l_dbus *dbus,
if (dpp->state != DPP_STATE_NOTHING)
return dbus_error_busy(message);
dpp->uri = dpp_generate_uri(dpp->pub_asn1, dpp->pub_asn1_len, 2,
dpp->uri = dpp_generate_uri(dpp->own_asn1, dpp->own_asn1_len, 2,
netdev_get_address(dpp->netdev),
&bss->frequency, 1, NULL, NULL);