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Implemented a faster algorithm for generating nonces

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This commit is contained in:
Zack 2013-07-21 18:35:12 -02:30
parent 550725c11a
commit c999fb6462
1 changed files with 9 additions and 5 deletions
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14
core/net_crypto.c
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@ -138,14 +138,18 @@ void increment_nonce(uint8_t * nonce)
} }
} }
/* fill the given nonce with random bytes. /* fill the given nonce with random bytes. */
TODO: make this more optimized */
void random_nonce(uint8_t * nonce) void random_nonce(uint8_t * nonce)
{ {
uint32_t i; uint32_t i, j, r, m = crypto_box_NONCEBYTES / 3, ind = 0;
for(i = 0; i < crypto_box_NONCEBYTES; ++i) for(i = 0; i < m; ++i)
{ {
nonce[i] = random_int() % 256; r = ranom_int();
for (j = 0; j < 3; j++) {
nonce[ind] = r % 1000 % 256;
r /= 1000;
++ind;
}
} }
} }