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stratum: fix client memory leak in yescrypt

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This commit is contained in:
Tanguy Pruvot 2018-05-14 17:35:09 +02:00
parent 495dcbba00
commit a3103af7ba
1 changed files with 10 additions and 19 deletions
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29
stratum/algos/yescrypt.c
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@ -327,35 +327,25 @@ static int yescrypt_bsty(const uint8_t * passwd, size_t passwdlen,
const uint8_t * salt, size_t saltlen, uint64_t N, uint32_t r, uint32_t p,
uint8_t * buf, size_t buflen)
{
static __thread int initialized = 0;
static __thread yescrypt_shared_t shared;
static __thread yescrypt_local_t local;
yescrypt_shared_t shared;
yescrypt_local_t local;
int retval;
if (!initialized) {
/* "shared" could in fact be shared, but it's simpler to keep it private
* along with "local". It's dummy and tiny anyway. */
if (yescrypt_init_shared(&shared, NULL, 0,
if (yescrypt_init_shared(&shared, NULL, 0,
0, 0, 0, YESCRYPT_SHARED_DEFAULTS, 0, NULL, 0))
return -1;
if (yescrypt_init_local(&local)) {
if (yescrypt_init_local(&local)) {
yescrypt_free_shared(&shared);
return -1;
}
initialized = 1;
}
retval = yescrypt_kdf(&shared, &local,
passwd, passwdlen, salt, saltlen, N, r, p, 0, YESCRYPT_FLAGS,
buf, buflen);
#if 0
if (yescrypt_free_local(&local)) {
yescrypt_free_shared(&shared);
return -1;
}
if (yescrypt_free_shared(&shared))
return -1;
initialized = 0;
#endif
yescrypt_free_local(&local);
yescrypt_free_shared(&shared);
return retval;
}
@ -364,6 +354,7 @@ void yescrypt_hash(const char *input, char *output, uint32_t len)
{
yescrypt_bsty((uint8_t*)input, len, (uint8_t*)input, len, 2048, 8, 1, (uint8_t*)output, 32);
}
void yescryptR16_hash(const char *input, char *output, uint32_t len)
{
yescrypt_bsty((uint8_t*)input, len, (uint8_t*)input, len, 4096, 16, 1, (uint8_t*)output, 32);