Security/sec/securityd/SecKeybagSupport.h

   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  @header SecKeybagSupport.h - The thing that does the stuff with the gibli.
  26  */
  27
  28 #ifndef _SECURITYD_SECKEYBAGSUPPORT_H_
  29 #define _SECURITYD_SECKEYBAGSUPPORT_H_
  30
  31 #include <CoreFoundation/CoreFoundation.h>
  32 #include <utilities/SecAKSWrappers.h>
  33
  34 #if TARGET_OS_MAC && !(TARGET_OS_EMBEDDED || TARGET_IPHONE_SIMULATOR)
  35 #define USE_KEYSTORE  1
  36 #elif TARGET_OS_EMBEDDED && !TARGET_IPHONE_SIMULATOR
  37 #define USE_KEYSTORE  1
  38 #else /* no keystore on this platform */
  39 #define USE_KEYSTORE  0
  40 #endif
  41
  42 #if USE_KEYSTORE
  43 #include <Kernel/IOKit/crypto/AppleKeyStoreDefs.h>
  44 #endif /* USE_KEYSTORE */
  45
  46 __BEGIN_DECLS
  47
  48 // TODO: Get this out of this file
  49 #if USE_KEYSTORE
  50 typedef int32_t keyclass_t;
  51 #else
  52
  53 /* TODO: this needs to be available in the sim! */
  54 typedef int32_t keyclass_t;
  55 typedef int32_t key_handle_t;
  56 enum key_classes {
  57     key_class_ak = 6,
  58     key_class_ck,
  59     key_class_dk,
  60     key_class_aku,
  61     key_class_cku,
  62     key_class_dku,
  63     key_class_akpu
  64 };
  65 #endif /* !USE_KEYSTORE */
  66
  67 enum SecKsCryptoOp {
  68     kSecKsWrap = 10,
  69     kSecKsUnwrap,
  70     kSecKsDelete
  71 };
  72
  73
  74 /* KEYBAG_NONE is private to security and have special meaning.
  75  They should not collide with AppleKeyStore constants, but are only referenced
  76  in here.
  77  */
  78 #define KEYBAG_NONE (-1)   /* Set q_keybag to KEYBAG_NONE to obtain cleartext data. */
  79 #define KEYBAG_DEVICE (g_keychain_keybag) /* actual keybag used to encrypt items */
  80 extern keybag_handle_t g_keychain_keybag;
  81
  82 bool use_hwaes(void);
  83 bool ks_crypt(uint32_t operation, keybag_handle_t keybag,
  84               keyclass_t keyclass, uint32_t textLength, const uint8_t *source, keyclass_t *actual_class,
  85               CFMutableDataRef dest, CFErrorRef *error);
  86 #if USE_KEYSTORE
  87 bool ks_crypt_acl(uint32_t operation, keybag_handle_t keybag,
  88                   keyclass_t keyclass, uint32_t textLength, const uint8_t *source,
  89                   CFMutableDataRef dest, CFDataRef acl, CFDataRef acm_context, CFDataRef caller_access_groups,
  90                   CFErrorRef *error);
  91 #endif
  92 bool ks_open_keybag(CFDataRef keybag, CFDataRef password, keybag_handle_t *handle, CFErrorRef *error);
  93 bool ks_close_keybag(keybag_handle_t keybag, CFErrorRef *error);
  94
  95 __END_DECLS
  96
  97 #endif /* _SECURITYD_SECKEYBAGSUPPORT_H_ */