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made sum_segment comments more explanatory

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This commit is contained in:
Václav Šmejkal 2024-11-20 17:10:39 +01:00
parent 6e7cdde99d
commit f754e43e19
Signed by: ENGO150
GPG Key ID: 4A57E86482968843
2 changed files with 2 additions and 2 deletions
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2
include/crypto.h
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@ -26,7 +26,7 @@ extern "C" {
//MACROS
#define WHY2_SUM_SEGMENT_SIZE 32 //SEGMENT SIZE FOR CALCULATING SUM
#define WHY2_SUM_BASE_PRIME 31 //PRIME FOR SUM BASE
#define WHY2_SUM_MOD_PRIME 4294967295UL //PRIME FOR SUM MODULUS
#define WHY2_SUM_MOD_PRIME 4294967295UL //PRIME FOR SUM MODULUS; 2^32 - 1
//FUNCTIONS
unsigned long long why2_sum_segment(char *input); //CALCULATE SUM++ FOR input; USED FOR PADDING SEED

2
src/core/lib/utils/crypto.c
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@ -21,7 +21,7 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
#include <string.h>
#include <math.h>
unsigned long long why2_sum_segment(char *input) //I ABSOLUTELY DO NOT RECOMMEND USING THIS WITH LARGE KEYS!!!
unsigned long long why2_sum_segment(char *input) //THE OUTPUT IS GOING TO GROW A LOT WITH LONG input, BUT IT SHOULDN'T BE A BIG PROBLEM. I TESTED FOR OVERFLOWS UP TO 4096-CHAR input AND ONLY GOT TO (14*10^(-7))% OF FULL ULL RANGE LMAO
{
unsigned long input_size = strlen(input);
unsigned long segmented_input_size = ceil(input_size / (double) WHY2_SUM_SEGMENT_SIZE) * WHY2_SUM_SEGMENT_SIZE; //CALCULATE CLOSEST 32*n (OR WHY2_SUM_SEGMENT_SIZE*n, IF YOU WILL) TO input