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fix coverity 226490 even if in practice next_common_bits is never > 7

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Philippe Teuwen 2020-04-29 20:11:32 +02:00
parent f1f3742333
commit 07f41da74d
1 changed files with 4 additions and 4 deletions
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8
client/deps/hardnested/hardnested_bf_core.c
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@ -324,7 +324,7 @@ uint64_t CRACK_STATES_BITSLICED(uint32_t cuid, uint8_t *best_first_bytes, statel
crypto1_bs_f20b_2[0] = f20b(state_p[47 - 25].value, state_p[47 - 27].value, state_p[47 - 29].value, state_p[47 - 31].value); crypto1_bs_f20b_2[0] = f20b(state_p[47 - 25].value, state_p[47 - 27].value, state_p[47 - 29].value, state_p[47 - 31].value);
crypto1_bs_f20b_3[0] = f20b(state_p[47 - 41].value, state_p[47 - 43].value, state_p[47 - 45].value, state_p[47 - 47].value); crypto1_bs_f20b_3[0] = f20b(state_p[47 - 41].value, state_p[47 - 43].value, state_p[47 - 45].value, state_p[47 - 47].value);
bitslice_value_t ksb[9]; bitslice_value_t ksb[8];
ksb[0] = f20c(f20a(state_p[47 - 9].value, state_p[47 - 11].value, state_p[47 - 13].value, state_p[47 - 15].value), ksb[0] = f20c(f20a(state_p[47 - 9].value, state_p[47 - 11].value, state_p[47 - 13].value, state_p[47 - 15].value),
f20b(state_p[47 - 17].value, state_p[47 - 19].value, state_p[47 - 21].value, state_p[47 - 23].value), f20b(state_p[47 - 17].value, state_p[47 - 19].value, state_p[47 - 21].value, state_p[47 - 23].value),
crypto1_bs_f20b_2[0], crypto1_bs_f20b_2[0],
@ -347,14 +347,14 @@ uint64_t CRACK_STATES_BITSLICED(uint32_t cuid, uint8_t *best_first_bytes, statel
} }
// pre-compute first feedback bit vector. This is the same for all nonces // pre-compute first feedback bit vector. This is the same for all nonces
bitslice_value_t fbb[9]; bitslice_value_t fbb[8];
fbb[0] = odd_feedback ^ bitsliced_even_feedback[block_idx]; fbb[0] = odd_feedback ^ bitsliced_even_feedback[block_idx];
// vector to contain test results (1 = passed, 0 = failed) // vector to contain test results (1 = passed, 0 = failed)
bitslice_t results = bs_ones; bitslice_t results = bs_ones;
// parity_bits // parity_bits
bitslice_value_t par[9]; bitslice_value_t par[8];
par[0] = bs_zeroes.value; par[0] = bs_zeroes.value;
uint32_t next_common_bits = 0; uint32_t next_common_bits = 0;
@ -468,7 +468,7 @@ uint64_t CRACK_STATES_BITSLICED(uint32_t cuid, uint8_t *best_first_bytes, statel
} }
// remember feedback and keystream vectors for later use // remember feedback and keystream vectors for later use
uint8_t bit = KEYSTREAM_SIZE - ks_idx; uint8_t bit = KEYSTREAM_SIZE - ks_idx;
if (bit <= next_common_bits) { // if needed and not yet stored if (bit <= MIN(next_common_bits, 7)) { // if needed and not yet stored
fbb[bit] = fb_bits; fbb[bit] = fb_bits;
ksb[bit] = ks_bits; ksb[bit] = ks_bits;
par[bit] = parity_bit_vector; par[bit] = parity_bit_vector;