StarMirror/toxcore
1
0
Fork 0
mirror of https://github.com/irungentoo/toxcore.git synced 2024-03-22 13:30:51 +08:00
Code Issues Projects Releases Wiki Activity

Increase thread safety.

Browse Source 
randombytes() doesn't seem to have any real speed disadvantage.

Also makes people who think nonces need to be random happy.
This commit is contained in:
irungentoo 2015-03-29 13:14:13 -04:00
parent 212bbf2129
commit abff19fdcc
No known key found for this signature in database
GPG Key ID: 10349DC9BED89E98
1 changed files with 1 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
toxcore/crypto_core.c
View File

@ -194,19 +194,10 @@ void new_symmetric_key(uint8_t *key)
randombytes(key, crypto_box_KEYBYTES);
}
static uint8_t base_nonce[crypto_box_NONCEBYTES];
static uint8_t nonce_set = 0;
/* Gives a nonce guaranteed to be different from previous ones.*/
void new_nonce(uint8_t *nonce)
{
if (nonce_set == 0) {
random_nonce(base_nonce);
nonce_set = 1;
}
increment_nonce(base_nonce);
memcpy(nonce, base_nonce, crypto_box_NONCEBYTES);
random_nonce(nonce);
}
/* Create a request to peer.