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First stable version for pipelined AES

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This commit is contained in:
Michael Zohner 2016-01-28 14:57:41 +01:00
parent 54ab27e579
commit 7add229725
1 changed files with 12 additions and 1 deletions
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13
src/ot-based/ot-psi.cpp
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@ -660,14 +660,25 @@ void InitOTReceiver(uint8_t* keyMtx, CSocket sock, crypto* crypt)
uint8_t* pBuf = (uint8_t*) malloc(crypt->get_hash_bytes() * numbaseOTs * 2); uint8_t* pBuf = (uint8_t*) malloc(crypt->get_hash_bytes() * numbaseOTs * 2);
bot->Sender(2, numbaseOTs, sock, pBuf); bot->Sender(2, numbaseOTs, sock, pBuf);
#ifdef AES256_HASH2
//Key expansion
uint8_t* pBufIdx = pBuf;
for(uint32_t i=0; i<numbaseOTs; i++ )
{
memcpy(keyMtx + i * crypt->get_aes_key_bytes(), pBufIdx, crypt->get_aes_key_bytes());
pBufIdx += crypt->get_hash_bytes();
memcpy(keyMtx + i * crypt->get_aes_key_bytes() + numbaseOTs * crypt->get_aes_key_bytes(), pBufIdx, crypt->get_aes_key_bytes());
pBufIdx += crypt->get_hash_bytes();
}
#else
//Key expansion //Key expansion
uint8_t* pBufIdx = pBuf; uint8_t* pBufIdx = pBuf;
for(uint32_t i=0; i<numbaseOTs * 2; i++ ) for(uint32_t i=0; i<numbaseOTs * 2; i++ )
{ {
memcpy(keyMtx + i * crypt->get_aes_key_bytes(), pBufIdx, crypt->get_aes_key_bytes()); memcpy(keyMtx + i * crypt->get_aes_key_bytes(), pBufIdx, crypt->get_aes_key_bytes());
pBufIdx += crypt->get_hash_bytes(); pBufIdx += crypt->get_hash_bytes();
//cout << i/2 << ": " << (hex) << ((uint64_t*)keyMtx)[2*i] << ((uint64_t*)keyMtx)[2*i+1]<< (dec) << endl;
} }
#endif
free(pBuf); free(pBuf);