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86 lines
4.7 KiB
86 lines
4.7 KiB
9 years ago
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/*
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* Copyright (c) 2014 Apple Inc. All Rights Reserved.
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*
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* @APPLE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this
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* file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_LICENSE_HEADER_END@
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*/
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/*!
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@header SecAccessControl
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SecAccessControl defines access rights for items.
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*/
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#ifndef _SECURITY_SECACCESSCONTROL_H_
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#define _SECURITY_SECACCESSCONTROL_H_
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#include <Security/SecBase.h>
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#include <CoreFoundation/CFError.h>
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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CF_ASSUME_NONNULL_BEGIN
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CF_IMPLICIT_BRIDGING_ENABLED
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/*!
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@function SecAccessControlGetTypeID
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@abstract Returns the type identifier of SecAccessControl instances.
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@result The CFTypeID of SecAccessControl instances.
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*/
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CFTypeID SecAccessControlGetTypeID(void)
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__OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
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typedef CF_OPTIONS(CFIndex, SecAccessControlCreateFlags) {
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kSecAccessControlUserPresence = 1 << 0, // User presence policy using Touch ID or Passcode. Touch ID does not have to be available or enrolled. Item is still accessible by Touch ID even if fingers are added or removed.
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kSecAccessControlTouchIDAny CF_ENUM_AVAILABLE(NA, 9_0) = 1 << 1, // Constraint: Touch ID (any finger). Touch ID must be available and at least one finger must be enrolled. Item is still accessible by Touch ID even if fingers are added or removed.
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kSecAccessControlTouchIDCurrentSet CF_ENUM_AVAILABLE(NA, 9_0) = 1 << 3, // Constraint: Touch ID from the set of currently enrolled fingers. Touch ID must be available and at least one finger must be enrolled. When fingers are added or removed, the item is invalidated.
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kSecAccessControlDevicePasscode CF_ENUM_AVAILABLE(10_11, 9_0) = 1 << 4, // Constraint: Device passcode
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kSecAccessControlOr CF_ENUM_AVAILABLE(NA, 9_0) = 1 << 14, // Constraint logic operation: when using more than one constraint, at least one of them must be satisfied.
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kSecAccessControlAnd CF_ENUM_AVAILABLE(NA, 9_0) = 1 << 15, // Constraint logic operation: when using more than one constraint, all must be satisfied.
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kSecAccessControlPrivateKeyUsage CF_ENUM_AVAILABLE(NA, 9_0) = 1 << 30, // Create access control for private key operations (i.e. sign operation)
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kSecAccessControlApplicationPassword CF_ENUM_AVAILABLE(NA, 9_0) = 1 << 31, // Security: Application provided password for data encryption key generation. This is not a constraint but additional item encryption mechanism.
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} __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
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/*!
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@function SecAccessControlCreateWithFlags
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@abstract Creates new access control object based on protection type and additional flags.
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@discussion Created access control object should be used as a value for kSecAttrAccessControl attribute in SecItemAdd,
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SecItemUpdate or SecKeyGeneratePair functions. Accessing keychain items or performing operations on keys which are
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protected by access control objects can block the execution because of UI which can appear to satisfy the access control
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conditions, therefore it is recommended to either move those potentially blocking operations out of the main
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application thread or use combination of kSecUseAuthenticationContext and kSecUseAuthenticationUI attributes to control
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where the UI interaction can appear.
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@param allocator Allocator to be used by this instance.
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@param protection Protection class to be used for the item. One of kSecAttrAccessible constants.
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@param flags If no flags are set then all operations are allowed.
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@param error Additional error information filled in case of failure.
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@result Newly created access control object.
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*/
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__nullable
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SecAccessControlRef SecAccessControlCreateWithFlags(CFAllocatorRef __nullable allocator, CFTypeRef protection,
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SecAccessControlCreateFlags flags, CFErrorRef *error)
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__OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
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CF_IMPLICIT_BRIDGING_DISABLED
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CF_ASSUME_NONNULL_END
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__END_DECLS
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#endif // _SECURITY_SECACCESSCONTROL_H_
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