uint8_t readB(){
switch (type){
case A_BYTE: return evalB();
case A_UINT: return evalU();
case A_INT: return evalI();
case A_LONG: return evalL();
case A_FLOAT: return evalF();
case A_DOUBLE: return evalD();
case A_TIME: return evalT();
default: return 0;
}
return 0;
}
uint32_t readT(){
switch (type){
case A_BYTE: return evalB();
case A_UINT: return evalU();
case A_INT: return evalI();
case A_LONG: return evalL();
case A_FLOAT: return evalF();
case A_DOUBLE: return evalD();
case A_TIME: return evalT();
case A_STRING: return 0;
case BAD_TYPE: return 0;
}
return 0;
}
void Sw05::encrypt(CharmList & pk, CharmListStr & wPrime, GT & M, int n, CharmList & CT)
{
G1 g;
G1 g1;
G2 g2;
CharmListG2 t;
ZR s;
GT Eprime = group.init(GT_t);
G1 Eprimeprime;
int wPrimeLen = 0;
ZR loopVar;
string loopVarStr;
G2 evalTVar;
CharmListG2 E;
g = pk[0].getG1();
g1 = pk[1].getG1();
g2 = pk[2].getG2();
t = pk[3].getListG2();
s = group.random(ZR_t);
Eprime = group.mul(M, group.exp(group.pair(g1, g2), s));
Eprimeprime = group.exp(g, s);
wPrimeLen = wPrime.length();
for (int i = 0; i < wPrimeLen; i++)
{
loopVar = group.hashListToZR(wPrime[i]);
loopVarStr = wPrime[i];
evalTVar = evalT(pk, n, loopVar);
E[loopVarStr] = group.exp(evalTVar, s);
}
CT.insert(0, wPrime);
CT.insert(1, Eprime);
CT.insert(2, Eprimeprime);
CT.insert(3, E);
return;
}
void Sw05::extract(ZR & mk, CharmListStr & w, CharmList & pk, int dParam, int n, CharmListZR & blindingFactorDBlinded, ZR & bf0, CharmList & skBlinded)
{
CharmListStr wBlinded;
G1 g;
G1 g1;
G2 g2;
CharmListG2 t;
int lenw = 0;
string loopVar1;
CharmListZR wHash;
ZR r;
CharmListZR q;
CharmListZR shares;
int wHashLen = 0;
ZR loopVar2;
string loopVar2Str;
G2 evalTVar;
CharmListG2 D;
CharmListG1 d;
CharmListG1 dBlinded;
CharmListG2 DBlinded;
bf0 = group.random(ZR_t);
wBlinded = w;
g = pk[0].getG1();
g1 = pk[1].getG1();
g2 = pk[2].getG2();
t = pk[3].getListG2();
lenw = wBlinded.length();
for (int i = 0; i < lenw; i++)
{
loopVar1 = wBlinded[i];
wHash[i] = group.hashListToZR(loopVar1);
}
r = group.random(ZR_t);
q[0] = mk;
for (int i = 1; i < dParam; i++)
{
q.insert(i, group.random(ZR_t));
}
shares = util.genSharesForX(group, mk, q, wHash);
wHashLen = wHash.length();
for (int i = 0; i < wHashLen; i++)
{
loopVar2 = wHash[i];
loopVar2Str = wBlinded[i];
evalTVar = evalT(pk, n, loopVar2);
D[loopVar2Str] = group.mul(group.exp(g2, shares[i]), group.exp(evalTVar, r));
d[loopVar2Str] = group.exp(g, r);
}
CharmListStr d_keys = d.strkeys();
int d_len = d_keys.length();
for (int y_var = 0; y_var < d_len; y_var++)
{
string y = d_keys[y_var];
dBlinded[y] = group.exp(d[y], group.div(1, bf0));
}
CharmListStr D_keys = D.strkeys();
int D_len = D_keys.length();
for (int y_var = 0; y_var < D_len; y_var++)
{
string y = D_keys[y_var];
blindingFactorDBlinded.insert(y, group.random(ZR_t));
DBlinded[y] = group.exp(D[y], group.div(1, blindingFactorDBlinded[y]));
}
skBlinded.insert(0, wBlinded);
skBlinded.insert(1, DBlinded);
skBlinded.insert(2, dBlinded);
return;
}
