1/*
2 * Copyright (c) 2000-2001,2011,2014 Apple Inc. All Rights Reserved.
3 *
4 * The contents of this file constitute Original Code as defined in and are
5 * subject to the Apple Public Source License Version 1.2 (the 'License').
6 * You may not use this file except in compliance with the License. Please obtain
7 * a copy of the License at http://www.apple.com/publicsource and read it before
8 * using this file.
9 *
10 * This Original Code and all software distributed under the License are
11 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
12 * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
13 * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
14 * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
15 * specific language governing rights and limitations under the License.
16 */
17
18
19//
20// DigestContext.cpp
21//
22#include "DigestContext.h"
23#include <AppleCSPUtils.h>
24
25/*
26 * Just field the expected/required calls from CSPFullPluginSession,
27 * and dispatch them to mDigest.
28 */
29void DigestContext::init(const Context &context, bool)
30{
31	mDigest.digestInit();
32}
33
34void DigestContext::update(const CssmData &data)
35{
36	mDigest.digestUpdate((const uint8 *)data.data(), data.length());
37}
38
39void DigestContext::final(CssmData &data)
40{
41	data.length(mDigest.digestSizeInBytes());
42	mDigest.digestFinal((uint8 *)data.data());
43}
44
45CSPFullPluginSession::CSPContext *DigestContext::clone(Allocator &)
46{
47	/* first clone the low-level digest object */
48	DigestObject *newDigest = mDigest.digestClone();
49
50	/* now construct a new context */
51	return new DigestContext(session(), *newDigest);
52}
53
54size_t DigestContext::outputSize(bool, size_t)
55{
56	return mDigest.digestSizeInBytes();
57}
58
59