diff options
Diffstat (limited to 'src/rng/hmac_rng/hmac_rng.cpp')
| -rw-r--r-- | src/rng/hmac_rng/hmac_rng.cpp | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/rng/hmac_rng/hmac_rng.cpp b/src/rng/hmac_rng/hmac_rng.cpp index 757f59037..113489db3 100644 --- a/src/rng/hmac_rng/hmac_rng.cpp +++ b/src/rng/hmac_rng/hmac_rng.cpp @@ -72,12 +72,15 @@ void HMAC_RNG::reseed_with_input(u32bit poll_bits, Entropy_Accumulator_BufferedComputation accum(*extractor, poll_bits); - for(u32bit i = 0; i < entropy_sources.size(); ++i) + if(!entropy_sources.empty()) { - if(accum.polling_goal_achieved()) - break; + u32bit poll_attempt = 0; - entropy_sources[i]->poll(accum); + while(!accum.polling_goal_achieved() && poll_attempt < poll_bits) + { + entropy_sources[poll_attempt % entropy_sources.size()]->poll(accum); + ++poll_attempt; + } } // And now add the user-provided input, if any |