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#include <string.h>
#include <arpa/inet.h>
#include <string>
#include <vector>
#include "error.h"
#include "log.h"
#include "utils.h"
#include "encrypt_stream.h"
#include "encrypt_stream_3des.h"
#include "stirrer.h"
#include "stirrer_3des.h"
stirrer_3des::stirrer_3des()
{
}
stirrer_3des::~stirrer_3des()
{
}
int stirrer_3des::get_stir_size()
{
return enc.get_key_size();
}
int stirrer_3des::get_ivec_size()
{
return enc.get_ivec_size();
}
void stirrer_3des::do_stir(unsigned char *ivec, unsigned char *target, int target_size, unsigned char *data_in, int data_in_size, unsigned char *temp_buffer, bool direction)
{
my_assert(target_size > 0);
my_assert(data_in_size > 0);
unsigned char temp_key[24] = { 0 };
if (data_in_size > get_stir_size())
error_exit("Invalid stir-size %d (expected: %d)", data_in_size, get_stir_size());
memcpy(temp_key, data_in, data_in_size);
enc.init(temp_key, 24, ivec, true);
enc.encrypt(target, target_size, temp_buffer);
memcpy(target, temp_buffer, target_size);
}
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