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DPP2: Add E-id in Reconfig Announcement

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Add an encrypted Enrollee identifier into Reconfig Announcement frames
and decrypt that on the Configurator side. The actual E-id value is
currently not used for anything, but it can be used in the future to
provide better control over reconfiguration.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Jouni Malinen 2020-08-06 19:47:28 +03:00 • committed by Jouni Malinen
parent ad2119cbc6
commit c6d0e5a93d
8 changed files with 314 additions and 14 deletions
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10
src/common/dpp_i.h
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@ -133,11 +133,21 @@ int dpp_reconfig_derive_ke_responder(struct dpp_authentication *auth,
int dpp_reconfig_derive_ke_initiator(struct dpp_authentication *auth,
const u8 *r_proto, u16 r_proto_len,
struct json_token *net_access_key);
EC_POINT * dpp_decrypt_e_id(EVP_PKEY *csign, EVP_PKEY *a_nonce,
EVP_PKEY *e_prime_id);
char * dpp_sign_connector(struct dpp_configurator *conf,
const struct wpabuf *dppcon);
int dpp_test_gen_invalid_key(struct wpabuf *msg,
const struct dpp_curve_params *curve);
struct dpp_reconfig_id {
const EC_GROUP *group;
EC_POINT *e_id; /* E-id */
EVP_PKEY *csign;
EVP_PKEY *a_nonce; /* A-NONCE */
EVP_PKEY *e_prime_id; /* E'-id */
};
/* dpp_tcp.c */
void dpp_controller_conn_status_result_wait_timeout(void *eloop_ctx,