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#include "ARC4Encryptor.h"
#include <cstring>
#include <cppunit/extensions/HelperMacros.h>
#include "Exception.h"
#include "util.h"
namespace aria2 {
class ARC4Test : public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE(ARC4Test);
CPPUNIT_TEST(testEncrypt);
CPPUNIT_TEST_SUITE_END();
public:
void setUp() {}
void tearDown() {}
void testEncrypt();
};
CPPUNIT_TEST_SUITE_REGISTRATION(ARC4Test);
void ARC4Test::testEncrypt()
{
ARC4Encryptor enc;
ARC4Encryptor dec;
const size_t LEN = 20;
unsigned char key[LEN];
memset(key, 0, LEN);
util::generateRandomData(key, sizeof(key));
enc.init(key, sizeof(key));
dec.init(key, sizeof(key));
unsigned char encrypted[LEN];
unsigned char decrypted[LEN];
enc.encrypt(LEN, encrypted, key);
CPPUNIT_ASSERT(memcmp(key, encrypted, LEN) != 0);
dec.encrypt(LEN, decrypted, encrypted);
CPPUNIT_ASSERT(memcmp(key, decrypted, LEN) == 0);
// once more
enc.encrypt(LEN, encrypted, key);
CPPUNIT_ASSERT(memcmp(key, encrypted, LEN) != 0);
dec.encrypt(LEN, decrypted, encrypted);
CPPUNIT_ASSERT(memcmp(key, decrypted, LEN) == 0);
}
} // namespace aria2
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