back-port of the bugfix done in #363

sjaeckel · sjaeckel · commit 70ec9b3b3517 · 2018-04-04T19:31:36.000+02:00
diff --git a/src/prngs/fortuna.c b/src/prngs/fortuna.c
@@ -288,7 +288,7 @@ unsigned long fortuna_read(unsigned char *out, unsigned long outlen, prng_state
    }
 
    /* do we have to reseed? */
-   if (++prng->fortuna.wd == LTC_FORTUNA_WD || prng->fortuna.pool0_len >= 64) {
+   if ((++prng->fortuna.wd == LTC_FORTUNA_WD) && (prng->fortuna.pool0_len >= 64)) {
       if (_fortuna_reseed(prng) != CRYPT_OK) {
          goto LBL_UNLOCK;
       }

Original file line number	Diff line number	Diff line change
`@@ -288,7 +288,7 @@ unsigned long fortuna_read(unsigned char *out, unsigned long outlen, prng_state`
`288`	`288`	`}`
`289`	`289`
`290`	`290`	`/* do we have to reseed? */`
`291`		`- if (++prng->fortuna.wd == LTC_FORTUNA_WD \|\| prng->fortuna.pool0_len >= 64) {`
	`291`	`+ if ((++prng->fortuna.wd == LTC_FORTUNA_WD) && (prng->fortuna.pool0_len >= 64)) {`
`292`	`292`	`if (_fortuna_reseed(prng) != CRYPT_OK) {`
`293`	`293`	`goto LBL_UNLOCK;`
`294`	`294`	`}`