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/*
* File: Lucky13Test.cpp
* Author: Juraj Somorovsky - juraj.somorovsky@hackmanit.de
*
*/
#include "TimingTest.h"
Lucky13Test::Lucky13Test(std::vector<std::string> &inputs, std::string result_folder,
const std::string& mac_name, size_t mac_keylen) :
m_dec("AES-128", 16, mac_name, mac_keylen, true, false),
m_mac_keylen (mac_keylen)
{
m_inputs = inputs;
m_result_folder = result_folder;
}
std::vector<byte> Lucky13Test::prepare_input(std::string input)
{
const std::vector<uint8_t> input_vector = Botan::hex_decode(input);
const std::vector<uint8_t> key(16);
const std::vector<uint8_t> iv(16);
std::unique_ptr<Botan::Cipher_Mode> enc(Botan::get_cipher_mode("AES-128/CBC/NoPadding", Botan::ENCRYPTION));
enc->set_key(key);
enc->start(iv);
Botan::secure_vector<uint8_t> buf(input_vector.begin(), input_vector.end());
enc->finish(buf);
return unlock(buf);
}
ticks Lucky13Test::measure_critical_function(std::vector<byte> input)
{
Botan::secure_vector<byte> data(input.begin(), input.end());
Botan::secure_vector<byte> aad(13);
const Botan::secure_vector<byte> iv(16);
Botan::secure_vector<byte> key(16 + m_mac_keylen);
m_dec.set_key(unlock(key));
m_dec.set_ad(unlock(aad));
m_dec.start(unlock(iv));
ticks start = this->get_ticks();
try
{
m_dec.finish(data);
}
catch (Botan::TLS::TLS_Exception e)
{
}
ticks end = get_ticks();
return (end - start);
}
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