void NNOBOTExtSnd::ComputeBaseOTs(field_type ftype) {
if(m_bDoBaseOTs) {
m_cBaseOT = new SimpleOT(m_cCrypt, ftype);
ComputePKBaseOTs();
delete m_cBaseOT;
} else {
//recursive call
}
}
void ALSZOTExtRec::ComputeBaseOTs(field_type ftype) {
/*m_cBaseOT = new SimpleOT(m_cCrypt, ftype);
ComputePKBaseOTs();
delete m_cBaseOT;*/
uint32_t nsndvals = 2;
if(m_bDoBaseOTs) { //use public-key crypto routines (simple OT)
m_cBaseOT = new SimpleOT(m_cCrypt, ftype);
ComputePKBaseOTs();
delete m_cBaseOT;
/*base_ots_snd_t* tmp = (base_ots_snd_t*) malloc(sizeof(base_ots_snd_t));
tmp->base_ot_key_ptr = (AES_KEY_CTX*) malloc(sizeof(AES_KEY_CTX) * m_nBaseOTs * nsndvals);
memcpy(tmp->base_ot_key_ptr, m_vBaseOTKeys, sizeof(AES_KEY_CTX) * m_nBaseOTs * nsndvals);
m_tBaseOTQ.push_back(tmp);*/
} else {
ALSZOTExtSnd* snd = new ALSZOTExtSnd(m_cCrypt, m_cRcvThread, m_cSndThread, m_nBaseOTs, m_nChecks);
uint32_t numots = buffer_ot_keys * m_nBaseOTs;
XORMasking* m_fMaskFct = new XORMasking(m_cCrypt->get_seclvl().symbits);
CBitVector** X = (CBitVector**) malloc(sizeof(CBitVector*) * nsndvals);//new CBitVector[nsndvals];
uint32_t secparambytes = bits_in_bytes(m_cCrypt->get_seclvl().symbits);
uint8_t* buf;
for(uint32_t i = 0; i < nsndvals; i++) {
X[i] = new CBitVector();
X[i]->Create(numots * m_cCrypt->get_seclvl().symbits);
}
//X1.Create(numots * m_cCrypt->get_seclvl().symbits);
snd->computePKBaseOTs();
snd->ComputeBaseOTs(ftype);
snd->send(numots, m_cCrypt->get_seclvl().symbits, nsndvals, X, Snd_R_OT, Rec_R_OT, 1, m_fMaskFct);
//assign keys to base OT queue
buf = (uint8_t*) malloc(secparambytes * nsndvals * m_nBaseOTs);
OT_AES_KEY_CTX* tmp_keys;
for(uint32_t i = 0; i < buffer_ot_keys; i++) {
//base_ots_snd_t* tmp = (base_ots_snd_t*) malloc(sizeof(base_ots_snd_t));
tmp_keys = (OT_AES_KEY_CTX*) malloc(sizeof(OT_AES_KEY_CTX) * m_nBaseOTs * nsndvals);
/*for(uint32_t j = 0; j < m_nBaseOTs; j++) {
memcpy(buf + j * nsndvals * secparambytes, X0.GetArr() + (i * m_nBaseOTs + j) * secparambytes, secparambytes);
memcpy(buf + (j * nsndvals + 1) * secparambytes, X1.GetArr() + (i * m_nBaseOTs + j) * secparambytes, secparambytes);
}*/
memcpy(buf, X[0]->GetArr() + secparambytes * m_nBaseOTs * i, secparambytes * m_nBaseOTs);
memcpy(buf + secparambytes * m_nBaseOTs, X[1]->GetArr() + secparambytes * m_nBaseOTs * i, secparambytes * m_nBaseOTs);
InitAESKey(tmp_keys, buf, nsndvals * m_nBaseOTs, m_cCrypt);
m_tBaseOTKeys.push_back(tmp_keys);
}
free(buf);
for(uint32_t i = 0; i < nsndvals; i++) {
delete X[i];
}
//free(X);
// X0.delCBitVector();
// X1.delCBitVector();
delete m_fMaskFct;
delete snd;
}
}
void KKOTExtSnd::ComputeBaseOTs(field_type ftype) {
m_cBaseOT = new NaorPinkas(m_cCrypt, ftype);
ComputePKBaseOTs();
m_nSndVals = 16; // TODO hack!
delete m_cBaseOT;
}
void IKNPOTExtSnd::ComputeBaseOTs(field_type ftype) {
m_cBaseOT = new NaorPinkas(m_cCrypt, ftype);
ComputePKBaseOTs();
delete m_cBaseOT;
}
