squashme: comment that NUM_OS_RANDOM_BYTES should not be changed lightly

This commit is contained in:
Wladimir J. van der Laan 2017-02-22 07:38:42 +01:00
parent 224e6eb089
commit aa09ccbb74

View File

@ -46,7 +46,11 @@ public:
uint32_t Rw;
};
/* Number of random bytes returned by GetOSRand */
/* Number of random bytes returned by GetOSRand.
* When changing this constant make sure to change all call sites, and make
* sure that the underlying OS APIs for all platforms support the number.
* (many cap out at 256 bytes).
*/
static const ssize_t NUM_OS_RANDOM_BYTES = 32;
/** Get 32 bytes of system entropy. Do not use this in application code: use