1/*
2 * Copyright (C) 2003 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#import "config.h"
27#import "WebCoreKeyGenerator.h"
28
29#import <wtf/Assertions.h>
30#import <wtf/UnusedParam.h>
31
32static WebCoreKeyGenerator *sharedGenerator;
33
34@implementation WebCoreKeyGenerator
35
36+ (WebCoreKeyGenerator *)sharedGenerator
37{
38    return sharedGenerator;
39}
40
41- init
42{
43    ASSERT(!sharedGenerator);
44    [super init];
45    sharedGenerator = [self retain];
46    return self;
47}
48
49- (NSArray *)strengthMenuItemTitles
50{
51    return nil;
52}
53
54- (NSString *)signedPublicKeyAndChallengeStringWithStrengthIndex:(unsigned)unusedIndex challenge:(NSString *)unusedChallenge pageURL:(NSURL *)unusedPageURL
55{
56    UNUSED_PARAM(unusedIndex);
57    UNUSED_PARAM(unusedChallenge);
58    UNUSED_PARAM(unusedPageURL);
59
60    return nil;
61}
62
63@end
64