secsplit.cpp

各种加密算法的集合

#include "misc.h" 
#include "secsplit.h" 

void SplitFork::Put(byte inByte) 
{ 
SecByteBlock buf(numberOfPorts); 

rng.GetBlock(buf, numberOfPorts-1); 
buf[numberOfPorts-1] = inByte; 

for (int i=0; i<numberOfPorts; i++) 
{ 
outPorts[i]->Put(buf[i]); 
buf[numberOfPorts-1] ^= buf[i]; 
} 
} 

void SplitFork::Put(const byte *inString, unsigned int length) 
{ 
SecByteBlock randomBlock(length); 
SecByteBlock lastBlock(length); 

memcpy(lastBlock, inString, length); 

for (int i=0; i<numberOfPorts-1; i++) 
{ 
rng.GetBlock(randomBlock, length); 
outPorts[i]->Put(randomBlock, length); 
xorbuf(lastBlock, randomBlock, length); 
} 

outPorts[numberOfPorts-1]->Put(lastBlock, length); 
} 

void SplitJoin::NotifyInput(int /* interfaceId */, unsigned int /* length */) 
{ 
unsigned long n=inPorts[0]->MaxRetrieveable(); 

for (int i=1; n &amt;&amt; i<numberOfPorts; i++) 
n = min(n, inPorts[i]->MaxRetrieveable()); 

if (n) 
{ 
const unsigned int l = (unsigned int) n; // convert long to int 
SecByteBlock original(l); 
SecByteBlock buf(l); 

inPorts[numberOfPorts-1]->Get(original, l); 
for (int i=0; i<numberOfPorts-1; i++) 
{ 
inPorts[i]->Get(buf, l); 
xorbuf(original, buf, l); 
} 
outQueue->Put(original, l); 
} 
}