libsecurity_keychain/lib/SecFDERecoveryAsymmetricCrypto.h

   1 /*
   2  * Copyright (c) 2010 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
  32 extern "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
  41 typedef 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
  54 int SecFDERecoveryWrapCRSKWithPubKey(const uint8_t *crsk, size_t crskLen,
  55         SecCertificateRef certificateRef, FVPrivateKeyHeader *outHeader);
  56 CFDataRef SecFDERecoveryUnwrapCRSKWithPrivKey(SecKeychainRef keychain,
  57         const FVPrivateKeyHeader *inHeader);
  58
  59 #ifdef  __cplusplus
  60 }
  61 #endif
  62
  63 #endif  /* _SEC_FDE_RECOVERYASYMMETRIC_CRYPTO_H_ */