1/*
2 * Copyright (c) 2010 Apple Inc. All Rights Reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24/*
25 *  CCSymOffset.c
26 *  CommonCrypto
27 */
28
29#include <stdio.h>
30#include <CommonCrypto/CommonCryptor.h>
31#include <CommonCrypto/CommonCryptorSPI.h>
32#include "testbyteBuffer.h"
33#include "testmore.h"
34#include "capabilities.h"
35
36#if (CCSYMOFFSET == 0)
37entryPoint(CommonCryptoSymOffset,"CommonCrypto Symmetric Unaligned Testing")
38#else
39
40
41
42#define ILIKEEMDISBIG 4096
43#define ALITTLEONTHESIDE 5
44
45
46static int kTestTestCount = ALITTLEONTHESIDE * 3;
47
48
49int CommonCryptoSymOffset(int argc, char *const *argv) {
50    int accum = 0;
51    uint8_t iLikeBigBuffs[ILIKEEMDISBIG];
52    uint8_t andICannotLie[ILIKEEMDISBIG];
53    uint8_t iLikeEmRoundandBig[ILIKEEMDISBIG];
54    int i;
55    size_t moved;
56    CCCryptorStatus retval;
57    byteBuffer key = hexStringToBytes("010203040506070809000a0b0c0d0e0f");
58
59    plan_tests(kTestTestCount);
60
61
62    for(i=0; i<ALITTLEONTHESIDE; i++) {
63        retval = CCCrypt(kCCEncrypt, kCCAlgorithmAES128, 0, key->bytes, key->len, NULL, iLikeBigBuffs+i, ILIKEEMDISBIG-16, andICannotLie+i, ILIKEEMDISBIG, &moved);
64        ok(retval == 0, "Encrypt worked");
65        retval = CCCrypt(kCCDecrypt, kCCAlgorithmAES128, 0, key->bytes, key->len, NULL, andICannotLie+i, moved, iLikeEmRoundandBig+i, ILIKEEMDISBIG, &moved);
66        ok(retval == 0, "Decrypt worked");
67        if(moved != (ILIKEEMDISBIG-16))
68            retval = 99;
69        else if(memcmp(iLikeBigBuffs+i, iLikeEmRoundandBig+i, moved))
70            retval = 999;
71        ok(retval == 0, "Encrypt/Decrypt Cycle");
72        accum += retval;
73    }
74
75    return accum != 0;
76}
77#endif
78
79