1/*
2 * Copyright (c) 2010-2011 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#ifndef	_SEC_FDE_RECOVERYASYMMETRIC_CRYPTO_H_
25#define _SEC_FDE_RECOVERYASYMMETRIC_CRYPTO_H_
26
27#include <Security/cssmtype.h>
28#include <Security/SecBase.h>
29#include <CoreFoundation/CFData.h>
30
31#ifdef  __cplusplus
32extern "C" {
33#endif
34
35/*
36	See CEncryptedEncoding.h in the DiskImages project
37	This structure is only used in libcsfde/lib/CSRecovery.c and
38	SecFDERecoveryAsymmetricCrypto.cpp
39*/
40
41typedef struct
42{
43	uint32_t				publicKeyHashSize;
44	uint8_t					publicKeyHash[32];
45
46	CSSM_ALGORITHMS			blobEncryptionAlgorithm;
47	CSSM_PADDING			blobEncryptionPadding;
48	CSSM_ENCRYPT_MODE		blobEncryptionMode;
49
50	uint32_t				encryptedBlobSize;
51	uint8_t					encryptedBlob[512];
52} FVPrivateKeyHeader;
53
54int SecFDERecoveryWrapCRSKWithPubKey(const uint8_t *crsk, size_t crskLen,
55	SecCertificateRef certificateRef, FVPrivateKeyHeader *outHeader);
56CFDataRef SecFDERecoveryUnwrapCRSKWithPrivKey(SecKeychainRef keychain,
57	const FVPrivateKeyHeader *inHeader);
58
59#ifdef  __cplusplus
60}
61#endif
62
63#endif	/* _SEC_FDE_RECOVERYASYMMETRIC_CRYPTO_H_ */
64