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SAE: Remove dead code in FFC pwd-value derivation

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The local bits variable is set to prime_len * 8 and consequently bits %
8 cannot be anything else than 0.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2016-03-27 21:28:45 +03:00
parent 03aac597a0
commit ea86a34667
1 changed files with 0 additions and 2 deletions
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2
src/common/sae.c
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@ -321,8 +321,6 @@ static int sae_test_pwd_seed_ffc(struct sae_data *sae, const u8 *pwd_seed,
sha256_prf_bits(pwd_seed, SHA256_MAC_LEN, "SAE Hunting and Pecking",
sae->tmp->dh->prime, sae->tmp->prime_len, pwd_value,
bits);
if (bits % 8)
buf_shift_right(pwd_value, sizeof(pwd_value), 8 - bits % 8);
wpa_hexdump_key(MSG_DEBUG, "SAE: pwd-value", pwd_value,
sae->tmp->prime_len);