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CHG: some clearing of memory

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iceman1001 2016-07-23 18:31:20 +02:00
commit 2de9622f0e
1 changed files with 5 additions and 2 deletions
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7
client/nonce2key/crypto1_bs.c
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@ -80,7 +80,9 @@ inline const bitslice_value_t crypto1_bs_lfsr_rollback(const bitslice_value_t in
// note that bytes are sliced and unsliced with reversed endianness // note that bytes are sliced and unsliced with reversed endianness
inline void crypto1_bs_convert_states(bitslice_t bitsliced_states[], state_t regular_states[]){ inline void crypto1_bs_convert_states(bitslice_t bitsliced_states[], state_t regular_states[]){
size_t bit_idx = 0, slice_idx = 0; size_t bit_idx = 0, slice_idx = 0;
state_t values[MAX_BITSLICES] = {{0x00}}; state_t values[MAX_BITSLICES];
memset(values, 0x0, sizeof(values));
for(slice_idx = 0; slice_idx < MAX_BITSLICES; slice_idx++){ for(slice_idx = 0; slice_idx < MAX_BITSLICES; slice_idx++){
for(bit_idx = 0; bit_idx < STATE_SIZE; bit_idx++){ for(bit_idx = 0; bit_idx < STATE_SIZE; bit_idx++){
bool bit = get_vector_bit(slice_idx, bitsliced_states[bit_idx]); bool bit = get_vector_bit(slice_idx, bitsliced_states[bit_idx]);
@ -90,7 +92,8 @@ inline void crypto1_bs_convert_states(bitslice_t bitsliced_states[], state_t reg
// swap endianness // swap endianness
values[slice_idx].value = rev_state_t(values[slice_idx].value); values[slice_idx].value = rev_state_t(values[slice_idx].value);
// roll off unused bits // roll off unused bits
values[slice_idx].value >>= ((sizeof(state_t)*8)-STATE_SIZE); //values[slice_idx].value >>= ((sizeof(state_t)*8)-STATE_SIZE); // - 48
values[slice_idx].value >>= 16;
} }
memcpy(regular_states, values, sizeof(values)); memcpy(regular_states, values, sizeof(values));
} }