diff options
Diffstat (limited to 'src/random.h')
| -rw-r--r-- | src/random.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/random.h b/src/random.h index 22801ec155..7768f9d3c5 100644 --- a/src/random.h +++ b/src/random.h @@ -52,7 +52,6 @@ * sources used in the 'slow' seeder are included, but also: * - 256 bits from the hardware RNG (rdseed or rdrand) when available. * - (On Windows) Performance monitoring data from the OS. - * - (On Windows) Through OpenSSL, the screen contents. * - Strengthen the entropy for 100 ms using repeated SHA512. * * When mixing in new entropy, H = SHA512(entropy || old_rng_state) is computed, and @@ -85,11 +84,11 @@ uint256 GetRandHash() noexcept; void GetStrongRandBytes(unsigned char* buf, int num) noexcept; /** - * Sleep for 1ms, gather entropy from various sources, and feed them to the PRNG state. + * Gather entropy from various expensive sources, and feed them to the PRNG state. * * Thread-safe. */ -void RandAddSeedSleep(); +void RandAddPeriodic(); /** * Fast randomness source. This is seeded once with secure random data, but @@ -166,6 +165,7 @@ public: /** Generate a random integer in the range [0..range). */ uint64_t randrange(uint64_t range) noexcept { + assert(range); --range; int bits = CountBits(range); while (true) { |