1/*
2 * Copyright (c) 2013-2014 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#ifndef _SEC_SOSCODER_H_
26#define _SEC_SOSCODER_H_
27
28
29#include <SecureObjectSync/SOSFullPeerInfo.h>
30#include <SecureObjectSync/SOSPeerInfo.h>
31
32typedef struct __OpaqueSOSCoder *SOSCoderRef;
33typedef bool (^SOSPeerSendBlock)(CFDataRef message, CFErrorRef *error);
34
35enum {
36    kSOSCoderDataReturned = 0,
37    kSOSCoderNegotiating = 1,
38    kSOSCoderNegotiationCompleted = 2,
39    kSOSCoderFailure = 3,
40    kSOSCoderStaleEvent = 4,
41};
42typedef uint32_t SOSCoderStatus;
43
44SOSCoderRef SOSCoderCreate(SOSPeerInfoRef peerInfo, SOSFullPeerInfoRef myPeerInfo, CFErrorRef *error);
45SOSCoderRef SOSCoderCreateFromData(CFDataRef exportedData, CFErrorRef *error);
46
47void SOSCoderDispose(SOSCoderRef coder);
48
49CFDataRef SOSCoderCopyDER(SOSCoderRef coder, CFErrorRef* error);
50
51SOSCoderStatus
52SOSCoderStart(SOSCoderRef coder, CFErrorRef *error);
53
54SOSCoderStatus
55SOSCoderResendDH(SOSCoderRef coder, CFErrorRef *error);
56
57void SOSCoderPersistState(CFStringRef peer_id, SOSCoderRef coder);
58
59SOSCoderStatus SOSCoderUnwrap(SOSCoderRef coder, CFDataRef codedMessage, CFMutableDataRef *message,
60                              CFStringRef clientId, CFErrorRef *error);
61
62SOSCoderStatus SOSCoderWrap(SOSCoderRef coder, CFDataRef message, CFMutableDataRef *codedMessage, CFStringRef clientId, CFErrorRef *error);
63
64bool SOSCoderCanWrap(SOSCoderRef coder);
65
66void SOSCoderReset(SOSCoderRef coder);
67
68CFDataRef SOSCoderCopyPendingResponse(SOSCoderRef coder);
69void SOSCoderConsumeResponse(SOSCoderRef coder);
70
71
72#endif // _SEC_SOSCODER_H_
73