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Self test for command bus encode/decode.

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This commit is contained in:
Adam Ierymenko
2013-07-18 13:27:46 -04:00
parent a677597b44
commit c345c699fd
3 changed files with 39 additions and 5 deletions
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7
node/NodeConfig.cpp
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@ -156,15 +156,15 @@ std::vector< Buffer<ZT_NODECONFIG_MAX_PACKET_SIZE> > NodeConfig::encodeControlMe
if (((i + 1) >= payload.size())||((packet.size() + payload[i + 1].length() + 1) >= packet.capacity())) {
Utils::getSecureRandom(packet.field(8,8),8);
Salsa20 s20(key,256,packet.field(8,8));
s20.encrypt(packet.field(16,packet.size() - 16),packet.field(16,packet.size() - 16),packet.size() - 16);
memcpy(keytmp,key,32);
for(unsigned int i=0;i<32;++i)
keytmp[i] ^= 0x77; // use a different permutation of key for HMAC than for Salsa20
HMAC::sha256(keytmp,32,packet.field(16,packet.size() - 16),packet.size() - 16,hmac);
memcpy(packet.field(0,8),hmac,8);
Salsa20 s20(key,256,packet.field(8,8));
s20.encrypt(packet.field(16,packet.size() - 16),packet.field(16,packet.size() - 16),packet.size() - 16);
packets.push_back(packet);
packet.setSize(16); // HMAC and IV
@ -200,7 +200,6 @@ bool NodeConfig::decodeControlMessagePacket(const void *key,const void *data,uns
const char *pl = ((const char *)packet.data()) + 20;
unsigned int pll = packet.size() - 20;
payload.clear();
for(unsigned int i=0;i<pll;) {
unsigned int eos = i;
while ((eos < pll)&&(pl[eos]))