dearsky/pico-hsm
1
0
Fork 0
Code Issues 17 Pull Requests 4 Actions Packages Projects Releases 26 Wiki Activity

Adding support for generating more than 32 bytes at a time.

Browse Source 
Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-03-04 10:46:10 +01:00
parent 41f0b53dd5
commit 59833d08eb
7 changed files with 28 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
random.c
View File

@@ -50,12 +50,14 @@ void random_fini (void)
* Return pointer to random 32-byte
*/
void random_bytes_free (const uint8_t *p);
const uint8_t * random_bytes_get (void)
const uint8_t * random_bytes_get (size_t len)
{
static uint32_t return_word[RANDOM_BYTES_LENGTH/sizeof (uint32_t)];
neug_wait_full ();
memcpy(return_word, random_word, sizeof(return_word));
random_bytes_free((const uint8_t *)random_word);
static uint32_t return_word[512/sizeof(uint32_t)];
for (int ix = 0; ix < len; ix += RANDOM_BYTES_LENGTH) {
neug_wait_full ();
memcpy(return_word+ix/sizeof(uint32_t), random_word, RANDOM_BYTES_LENGTH);
random_bytes_free((const uint8_t *)random_word);
}
return (const uint8_t *)return_word;
}