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eapol: Add eapol_create_ptk_2_of_4

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This commit is contained in:
Denis Kenzior 2014-12-27 22:33:46 -06:00
parent dc3331a98d
commit 27d25efc0b
2 changed files with 44 additions and 0 deletions
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37
src/eapol.c
View File

@ -174,3 +174,40 @@ bool eapol_process_ptk_2_of_4(const uint8_t *data, size_t len,
return true;
}
struct eapol_key *eapol_create_ptk_2_of_4(
enum eapol_protocol_version protocol,
enum eapol_key_descriptor_version version,
const uint8_t key_replay_counter[],
const uint8_t snonce[],
size_t extra_len,
const uint8_t *extra_data)
{
size_t to_alloc = sizeof(struct eapol_key);
struct eapol_key *out_frame = l_malloc(to_alloc + extra_len);
memset(out_frame, 0, to_alloc + extra_len);
out_frame->protocol_version = protocol;
out_frame->packet_type = 0x3;
out_frame->packet_len = L_CPU_TO_BE16(to_alloc + extra_len - 4);
out_frame->descriptor_type = EAPOL_DESCRIPTOR_TYPE_80211;
out_frame->key_descriptor_version = version;
out_frame->key_type = true;
out_frame->install = false;
out_frame->key_ack = false;
out_frame->key_mic = true;
out_frame->secure = false;
out_frame->error = false;
out_frame->request = false;
out_frame->encrypted_key_data = false;
out_frame->smk_message = false;
out_frame->key_length = 0,
memcpy(out_frame->key_replay_counter, key_replay_counter,
sizeof(out_frame->key_replay_counter));
memcpy(out_frame->key_nonce, snonce, sizeof(out_frame->key_nonce));
out_frame->key_data_len = L_CPU_TO_BE16(extra_len);
memcpy(out_frame->key_data, extra_data, extra_len);
return out_frame;
}

7
src/eapol.h
View File

@ -99,3 +99,10 @@ bool eapol_process_ptk_1_of_4(const uint8_t *data, size_t len,
uint8_t out_anonce[]);
bool eapol_process_ptk_2_of_4(const uint8_t *data, size_t len,
uint8_t out_snonce[]);
struct eapol_key *eapol_create_ptk_2_of_4(
enum eapol_protocol_version protocol,
enum eapol_key_descriptor_version version,
const uint8_t key_replay_counter[],
const uint8_t snonce[],
size_t extra_len,
const uint8_t *extra_data);