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Use actual randombytes implementation

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This commit is contained in:
Aaron Kaiser
2024-04-22 10:56:26 +02:00
parent ef99cec0b6
commit 00484347f1
1 changed files with 26 additions and 6 deletions
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30
syscall/jasmin_syscall.c
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@@ -15,16 +15,36 @@
#include <sys/syscall.h>
#include <unistd.h>
uint8_t *__jasmin_syscall_randombytes__(uint8_t *_x, uint64_t xlen) {
// uint8_t *__jasmin_syscall_randombytes__(uint8_t *_x, uint64_t xlen) {
// int i;
// uint8_t *x = _x;
//
// printf("%lx:\n", x);
//
// for (i = 0; i < xlen; i++) {
// printf("%02X", _x[i]);
// }
// printf("\n");
//
// return _x;
// }
//
uint8_t* __jasmin_syscall_randombytes__(uint8_t* _x, uint64_t xlen)
{
int i;
uint8_t* x = _x;
printf("%lx:\n", x);
while (xlen > 0) {
if (xlen < 1048576) i = xlen; else i = 1048576;
for (i = 0; i < xlen; i++) {
printf("%02X", _x[i]);
i = getrandom(x,i,0);
if (i < 1) {
sleep(1);
continue;
}
x += i;
xlen -= i;
}
printf("\n");
return _x;
}