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Call randombytes_salsa20_random_stir_if_needed() only when we don't have

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anything in stock, and reduce the number of required getpid() calls.
This commit is contained in:
Frank Denis 2013-05-22 11:16:28 -07:00
parent 81d604c70c
commit e68b08a4ff
1 changed files with 1 additions and 2 deletions
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3
src/libsodium/randombytes/salsa20/randombytes_salsa20_random.c
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@ -205,6 +205,7 @@ randombytes_salsa20_random_getword(void)
COMPILER_ASSERT(sizeof stream.rnd32 >= sizeof val);
COMPILER_ASSERT(sizeof stream.rnd32 % sizeof val == (size_t) 0U);
if (stream.rnd32_outleft <= (size_t) 0U) {
randombytes_salsa20_random_stir_if_needed();
COMPILER_ASSERT(sizeof stream.nonce == crypto_stream_salsa20_NONCEBYTES);
ret = crypto_stream_salsa20((unsigned char *) stream.rnd32,
(unsigned long long) sizeof stream.rnd32,
@ -245,8 +246,6 @@ randombytes_salsa20_random_close(void)
uint32_t
randombytes_salsa20_random(void)
{
randombytes_salsa20_random_stir_if_needed();
return randombytes_salsa20_random_getword();
}