1/*
2 * Copyright (c) 2004,2011,2014 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//
26// SDCSPDLSession.cpp - Security Server CSP/DL session.
27//
28#include "SDCSPDLSession.h"
29
30#include "SDCSPDLPlugin.h"
31#include "SDKey.h"
32
33using namespace SecurityServer;
34
35//
36// SDCSPDLSession -- Security Server CSP session
37//
38SDCSPDLSession::SDCSPDLSession()
39{
40}
41
42
43//
44// Reference Key management
45//
46void
47SDCSPDLSession::makeReferenceKey(SDCSPSession &session, KeyHandle inKeyHandle,
48								 CssmKey &outKey, CSSM_DB_HANDLE inDBHandle,
49								 uint32 inKeyAttr, const CssmData *inKeyLabel)
50{
51	new SDKey(session, inKeyHandle, outKey, inDBHandle, inKeyAttr,
52			  inKeyLabel);
53}
54
55SDKey &
56SDCSPDLSession::lookupKey(const CssmKey &inKey)
57{
58	/* for now we only allow ref keys */
59	if(inKey.blobType() != CSSM_KEYBLOB_REFERENCE) {
60		CssmError::throwMe(CSSMERR_CSP_INVALID_KEY);
61	}
62
63	/* fetch key (this is just mapping the value in inKey.KeyData to an SDKey) */
64	SDKey &theKey = find<SDKey>(inKey);
65
66	#ifdef someday
67	/*
68	 * Make sure caller hasn't changed any crucial header fields.
69	 * Some fields were changed by makeReferenceKey, so make a local copy....
70	 */
71	CSSM_KEYHEADER localHdr = cssmKey.KeyHeader;
72	get binKey-like thing from SDKey, maybe SDKey should keep a copy of
73	hdr...but that's' not supersecure....;
74
75	localHdr.BlobType = binKey->mKeyHeader.BlobType;
76	localHdr.Format = binKey->mKeyHeader.Format;
77	if(memcmp(&localHdr, &binKey->mKeyHeader, sizeof(CSSM_KEYHEADER))) {
78		CssmError::throwMe(CSSMERR_CSP_INVALID_KEY_REFERENCE);
79	}
80	#endif
81	return theKey;
82}
83