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changed why2_random to boolean

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This commit is contained in:
Václav Šmejkal 2025-01-10 18:09:55 +01:00
parent fc2d3e1360
commit 25782d1263
Signed by: ENGO150
GPG Key ID: 4A57E86482968843
3 changed files with 7 additions and 3 deletions
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4
include/crypto.h
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@ -25,6 +25,8 @@ extern "C" {
#include <sys/types.h>
#include <why2/flags.h>
//MACROS
#define WHY2_SUM_SEGMENT_SIZE 32 //SEGMENT SIZE FOR CALCULATING SUM
#define WHY2_SUM_BASE_PRIME 31 //PRIME FOR SUM BASE
@ -35,7 +37,7 @@ extern "C" {
//FUNCTIONS
unsigned long long why2_sum_segment(char *input); //CALCULATE SUM++ FOR input; USED FOR PADDING SEED
ssize_t why2_random(void *dest, size_t size); //WRITE CRYPTO-SECURE RANDOM NUMBER INTO dest
why2_bool why2_random(void *dest, size_t size); //WRITE CRYPTO-SECURE RANDOM NUMBER INTO dest
void why2_seed_random(unsigned int seed); //SEED why2_seeded_random OUTPUT
int why2_seeded_random(); //GENERATE RANDOM NUMBER BASED ON SEED PASSED IN why2_seed_random

4
src/core/lib/utils/crypto.c
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@ -26,6 +26,8 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
#include <openssl/rand.h>
#include <why2/flags.h>
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);
@ -50,7 +52,7 @@ unsigned long long why2_sum_segment(char *input) //THE OUTPUT IS GOING TO GROW A
return output;
}
ssize_t why2_random(void *dest, size_t size)
why2_bool why2_random(void *dest, size_t size)
{
return RAND_bytes((unsigned char*) dest, size) == 1;
}

2
src/core/lib/utils/misc.c
View File

@ -438,7 +438,7 @@ char *why2_generate_key(int key_length)
for (int i = 0; i < key_length; i++)
{
//GET RANDOM NUMBER
if (why2_random(&random_buffer, sizeof(unsigned int)) == -1) why2_die("getrandom fn failed!");
if (!why2_random(&random_buffer, sizeof(unsigned int))) why2_die("getrandom fn failed!");
//SET numberBuffer TO RANDOM NUMBER BETWEEN 0 AND 52
number_buffer = (random_buffer % 52) + 1;