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https://git.kernel.org/pub/scm/network/wireless/iwd.git
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eapol: Add support for SHA-256 based AKMs
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parent
0fde36b0af
commit
30d1673ba4
11
src/eapol.c
11
src/eapol.c
@ -593,6 +593,7 @@ struct eapol_sm {
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uint8_t *own_ie;
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enum ie_rsn_cipher_suite pairwise_cipher;
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enum ie_rsn_cipher_suite group_cipher;
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enum ie_rsn_akm_suite akm_suite;
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uint8_t pmk[32];
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uint64_t replay_counter;
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uint8_t snonce[32];
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@ -690,6 +691,7 @@ static bool eapol_sm_setup_own_ciphers(struct eapol_sm *sm,
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if (__builtin_popcount(info->akm_suites) != 1)
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return false;
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sm->akm_suite = info->akm_suites;
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sm->pairwise_cipher = info->pairwise_ciphers;
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sm->group_cipher = info->group_cipher;
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@ -788,6 +790,7 @@ static void eapol_handle_ptk_1_of_4(uint32_t ifindex, struct eapol_sm *sm,
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struct crypto_ptk *ptk = (struct crypto_ptk *) sm->ptk;
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struct eapol_key *step2;
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uint8_t mic[16];
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bool use_sha256;
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if (!eapol_verify_ptk_1_of_4(ek)) {
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handshake_failed(ifindex, sm, MPDU_REASON_CODE_UNSPECIFIED);
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@ -804,10 +807,16 @@ static void eapol_handle_ptk_1_of_4(uint32_t ifindex, struct eapol_sm *sm,
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memcpy(sm->anonce, ek->key_nonce, sizeof(ek->key_nonce));
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if (sm->akm_suite == IE_RSN_AKM_SUITE_8021X_SHA256 ||
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sm->akm_suite == IE_RSN_AKM_SUITE_PSK_SHA256)
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use_sha256 = true;
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else
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use_sha256 = false;
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crypto_derive_pairwise_ptk(sm->pmk, sm->spa, sm->aa,
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sm->anonce, sm->snonce,
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ptk, sizeof(sm->ptk),
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false);
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use_sha256);
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step2 = eapol_create_ptk_2_of_4(protocol_version,
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ek->key_descriptor_version,
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