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/*
* Copyright (c) 2010 SURFnet bv
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*****************************************************************************
SecureDataMgrTests.cpp
Contains test cases to test the secure data manager
*****************************************************************************/
#include <stdlib.h>
#include <string.h>
#include <cppunit/extensions/HelperMacros.h>
#include "SecureDataMgrTests.h"
#include "SecureDataManager.h"
#include "CryptoFactory.h"
CPPUNIT_TEST_SUITE_REGISTRATION(SecureDataMgrTests);
void SecureDataMgrTests::setUp()
{
CPPUNIT_ASSERT((rng = CryptoFactory::i()->getRNG()) != NULL);
}
void SecureDataMgrTests::tearDown()
{
}
void SecureDataMgrTests::testSecureDataManager()
{
ByteString soPIN = "3132333435363738"; // "12345678"
ByteString userPIN = "4041424344454647"; // "ABCDEFGH"
ByteString newSOPIN = "3837363534333231"; // "87654321"
ByteString newUserPIN = "4746454443424140"; // "HGFEDCBA"
// Instantiate a blank secure data manager
SecureDataManager s1;
ByteString plaintext = "010203040506070809";
ByteString emptyPlaintext = "";
ByteString encrypted;
// Verify that no function other than setting the SO PIN works
CPPUNIT_ASSERT(!s1.setUserPIN(userPIN));
CPPUNIT_ASSERT(!s1.loginSO(soPIN));
CPPUNIT_ASSERT(!s1.loginUser(userPIN));
CPPUNIT_ASSERT(!s1.reAuthenticateSO(soPIN));
CPPUNIT_ASSERT(!s1.reAuthenticateUser(userPIN));
CPPUNIT_ASSERT(!s1.encrypt(plaintext, encrypted));
CPPUNIT_ASSERT(!s1.decrypt(encrypted, plaintext));
CPPUNIT_ASSERT(s1.getSOPINBlob().size() == 0);
CPPUNIT_ASSERT(s1.getUserPINBlob().size() == 0);
// Now set the SO PIN
CPPUNIT_ASSERT(s1.setSOPIN(soPIN));
// Check that it is still not possible to set the user PIN
CPPUNIT_ASSERT(!s1.setUserPIN(userPIN));
// Check that it is possible to log in with the SO PIN
CPPUNIT_ASSERT(s1.loginSO(soPIN));
// Check that it is now possible to also set the user PIN
CPPUNIT_ASSERT(s1.setUserPIN(userPIN));
// Check that is is now also possible to log in with the user PIN
CPPUNIT_ASSERT(s1.loginUser(userPIN));
// Check that it is possible to encrypt and decrypt some data
ByteString decrypted;
CPPUNIT_ASSERT(s1.encrypt(plaintext, encrypted));
CPPUNIT_ASSERT(encrypted != plaintext);
CPPUNIT_ASSERT(s1.decrypt(encrypted, decrypted));
CPPUNIT_ASSERT(decrypted == plaintext);
// Log out
s1.logout();
// Check that it is no longer possible to set the SO PIN
CPPUNIT_ASSERT(!s1.setSOPIN(soPIN));
// Check that it is no longer possible to set the user PIN
CPPUNIT_ASSERT(!s1.setUserPIN(userPIN));
// Check that encrypting/decrypting no longer works
CPPUNIT_ASSERT(!s1.encrypt(plaintext, encrypted));
CPPUNIT_ASSERT(!s1.decrypt(encrypted, plaintext));
// Export the key blobs
ByteString soPINBlob = s1.getSOPINBlob();
ByteString userPINBlob = s1.getUserPINBlob();
// Create a new instance with the exported key blobs
SecureDataManager s2(soPINBlob, userPINBlob);
// Check that the key blobs match
CPPUNIT_ASSERT(s1.getSOPINBlob() == s2.getSOPINBlob());
CPPUNIT_ASSERT(s1.getUserPINBlob() == s2.getUserPINBlob());
// Check that it is not possible to set the SO PIN
CPPUNIT_ASSERT(!s2.setSOPIN(soPIN));
// Check that it is possible to log in with the SO PIN
CPPUNIT_ASSERT(s2.loginSO(soPIN));
// Check that is is now also possible to log in with the user PIN
CPPUNIT_ASSERT(s2.loginUser(userPIN));
// Check that encrypting the data results in different ciphertext because of the random IV
ByteString encrypted2;
CPPUNIT_ASSERT(s2.encrypt(plaintext, encrypted2));
CPPUNIT_ASSERT(encrypted != encrypted2);
// Check that decrypting earlier data can be done with the recreated key
CPPUNIT_ASSERT(s2.decrypt(encrypted, decrypted));
CPPUNIT_ASSERT(decrypted == plaintext);
// Log in with the SO PIN
CPPUNIT_ASSERT(s2.loginSO(soPIN));
// Check that the SO PIN can be changed
CPPUNIT_ASSERT(s2.setSOPIN(newSOPIN));
// Check that it is no longer possible to log in with the old SO PIN
CPPUNIT_ASSERT(!s2.loginSO(soPIN));
// Check that encrypting/decrypting no longer works
CPPUNIT_ASSERT(!s2.encrypt(plaintext, encrypted));
CPPUNIT_ASSERT(!s2.decrypt(encrypted, plaintext));
// Check that the key blobs differ
CPPUNIT_ASSERT(s1.getSOPINBlob() != s2.getSOPINBlob());
// Check that it is possible to log in with the new SO PIN
CPPUNIT_ASSERT(s2.loginSO(newSOPIN));
// Log in with the user PIN
CPPUNIT_ASSERT(s2.loginUser(userPIN));
// Check that it is possible to change the user PIN
CPPUNIT_ASSERT(s2.setUserPIN(newUserPIN));
// Check that it is no longer possible to log in with the old user PIN
CPPUNIT_ASSERT(!s2.loginUser(userPIN));
// Check that encrypting/decrypting no longer works
CPPUNIT_ASSERT(!s2.encrypt(plaintext, encrypted));
CPPUNIT_ASSERT(!s2.decrypt(encrypted, plaintext));
// Check that it is possible to log in with the new user PIN
CPPUNIT_ASSERT(s2.loginUser(newUserPIN));
// Check that encrypting the data results in the different ciphertext because of the random IV
CPPUNIT_ASSERT(s2.encrypt(plaintext, encrypted2));
CPPUNIT_ASSERT(encrypted != encrypted2);
// Check that decrypting earlier data can be done with the recreated key
CPPUNIT_ASSERT(s2.decrypt(encrypted, decrypted));
CPPUNIT_ASSERT(decrypted == plaintext);
// Check that empty plaintext can be handled
CPPUNIT_ASSERT(s2.encrypt(emptyPlaintext, encrypted));
CPPUNIT_ASSERT(s2.decrypt(encrypted, decrypted));
CPPUNIT_ASSERT(decrypted == emptyPlaintext);
// Check that is is possible to log in with the SO PIN and re-authenticate
CPPUNIT_ASSERT(s1.loginSO(soPIN));
CPPUNIT_ASSERT(!s1.reAuthenticateSO(userPIN));
CPPUNIT_ASSERT(s1.reAuthenticateSO(soPIN));
// Check that is is possible to log in with the user PIN and re-authenticate
CPPUNIT_ASSERT(s1.loginUser(userPIN));
CPPUNIT_ASSERT(!s1.reAuthenticateUser(soPIN));
CPPUNIT_ASSERT(s1.reAuthenticateUser(userPIN));
// Check that it is possible to encrypt and decrypt some data
CPPUNIT_ASSERT(s1.encrypt(plaintext, encrypted));
CPPUNIT_ASSERT(encrypted != plaintext);
CPPUNIT_ASSERT(s1.decrypt(encrypted, decrypted));
CPPUNIT_ASSERT(decrypted == plaintext);
}
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