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Save a little bit of RAM by getting rid of overkill CMWC4096 non-crypto PRNG and replacing it with a simple non-crypto PRNG that just uses Salsa20.

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This commit is contained in:
Adam Ierymenko
2015-07-07 10:49:50 -07:00
parent 41fc08b330
commit 3f567a07ca
6 changed files with 32 additions and 104 deletions
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5
node/Multicaster.cpp
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@ -35,7 +35,6 @@
#include "Switch.hpp"
#include "Packet.hpp"
#include "Peer.hpp"
#include "CMWC4096.hpp"
#include "C25519.hpp"
#include "CertificateOfMembership.hpp"
@ -97,7 +96,7 @@ unsigned int Multicaster::gather(const Address &queryingPeer,uint64_t nwid,const
// will return different subsets of a large multicast group.
k = 0;
while ((added < limit)&&(k < gs->second.members.size())&&((appendTo.size() + ZT_ADDRESS_LENGTH) <= ZT_UDP_DEFAULT_PAYLOAD_MTU)) {
rptr = (unsigned int)RR->prng->next32();
rptr = (unsigned int)RR->node->prng();
restart_member_scan:
a = gs->second.members[rptr % (unsigned int)gs->second.members.size()].address.toInt();
@ -171,7 +170,7 @@ void Multicaster::send(
for(unsigned long i=0;i<gs.members.size();++i)
indexes[i] = i;
for(unsigned long i=(unsigned long)gs.members.size()-1;i>0;--i) {
unsigned long j = RR->prng->next32() % (i + 1);
unsigned long j = (unsigned long)RR->node->prng() % (i + 1);
unsigned long tmp = indexes[j];
indexes[j] = indexes[i];
indexes[i] = tmp;