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eap-wsc: Convert memsets to explicit_bzero

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Andrew Zaborowski 2020-04-03 18:45:12 +02:00 committed by Denis Kenzior
parent 0ffb96056a
commit 508d71e3c1
1 changed files with 6 additions and 6 deletions
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12
src/eap-wsc.c
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@ -843,11 +843,11 @@ static void eap_wsc_handle_m2(struct eap_state *eap,
l_checksum_get_digest(sha256, dhkey, sizeof(dhkey));
l_checksum_free(sha256);
memset(shared_secret, 0, shared_secret_len);
explicit_bzero(shared_secret, shared_secret_len);
hmac_sha256 = l_checksum_new_hmac(L_CHECKSUM_SHA256,
dhkey, sizeof(dhkey));
memset(dhkey, 0, sizeof(dhkey));
explicit_bzero(dhkey, sizeof(dhkey));
if (!hmac_sha256)
return;
@ -864,7 +864,7 @@ static void eap_wsc_handle_m2(struct eap_state *eap,
l_checksum_free(hmac_sha256);
r = wsc_kdf(kdk, &keys, sizeof(keys));
memset(kdk, 0, sizeof(kdk));
explicit_bzero(kdk, sizeof(kdk));
if (!r)
return;
@ -888,7 +888,7 @@ static void eap_wsc_handle_m2(struct eap_state *eap,
sizeof(keys.keywrap_key));
clear_keys:
memset(&keys, 0, sizeof(keys));
explicit_bzero(&keys, sizeof(keys));
}
static void eap_wsc_handle_nack(struct eap_state *eap,
@ -1228,12 +1228,12 @@ static bool eap_wsc_load_settings(struct eap_state *eap,
if (!l_key_validate_dh_payload(private_key, 192,
crypto_dh5_prime,
crypto_dh5_prime_size)) {
memset(private_key, 0, 192);
explicit_bzero(private_key, 192);
goto err;
}
wsc->private = l_key_new(L_KEY_RAW, private_key, 192);
memset(private_key, 0, 192);
explicit_bzero(private_key, 192);
} else
wsc->private = l_key_generate_dh_private(crypto_dh5_prime,
crypto_dh5_prime_size);