| 1 | /*
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| 2 | * dlls/rsaenh/handle.h
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| 3 | * Support code to manage HANDLE tables.
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| 4 | *
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| 5 | * Copyright 1998 Alexandre Julliard
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| 6 | * Copyright 2002-2004 Mike McCormack for CodeWeavers
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| 7 | * Copyright 2004 Michael Jung
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| 8 | *
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| 9 | * This library is free software; you can redistribute it and/or
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| 10 | * modify it under the terms of the GNU Lesser General Public
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| 11 | * License as published by the Free Software Foundation; either
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| 12 | * version 2.1 of the License, or (at your option) any later version.
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| 13 | *
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| 14 | * This library is distributed in the hope that it will be useful,
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 17 | * Lesser General Public License for more details.
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| 18 | *
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| 19 | * You should have received a copy of the GNU Lesser General Public
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| 20 | * License along with this library; if not, write to the Free Software
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| 21 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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| 22 | */
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| 23 |
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| 24 | #ifndef __WINE_HANDLE_H
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| 25 | #define __WINE_HANDLE_H
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| 26 |
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| 27 | #include "wincrypt.h"
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| 28 |
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| 29 | #ifdef __cplusplus
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| 30 | extern "C" {
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| 31 | #endif
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| 32 |
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| 33 | #define TABLE_SIZE_INCREMENT 32
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| 34 |
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| 35 | struct tagOBJECTHDR;
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| 36 | typedef struct tagOBJECTHDR OBJECTHDR;
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| 37 | typedef void (*DESTRUCTOR)(OBJECTHDR *object);
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| 38 | struct tagOBJECTHDR
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| 39 | {
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| 40 | DWORD dwType;
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| 41 | LONG refcount;
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| 42 | DESTRUCTOR destructor;
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| 43 | };
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| 44 |
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| 45 | typedef struct tagHANDLETBLENTRY
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| 46 | {
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| 47 | OBJECTHDR *pObject;
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| 48 | unsigned int iNextFree;
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| 49 | } HANDLETBLENTRY;
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| 50 |
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| 51 | typedef struct tagHANDLETBL
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| 52 | {
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| 53 | unsigned int iEntries;
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| 54 | unsigned int iFirstFree;
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| 55 | HANDLETBLENTRY *paEntries;
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| 56 | CRITICAL_SECTION mutex;
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| 57 | } HANDLETBL;
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| 58 |
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| 59 | int alloc_handle_table (HANDLETBL **lplpTable);
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| 60 | void init_handle_table (HANDLETBL *lpTable);
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| 61 | int release_handle_table(HANDLETBL *lpTable);
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| 62 | void destroy_handle_table(HANDLETBL *lpTable);
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| 63 | int release_handle (HANDLETBL *lpTable, HCRYPTKEY handle, DWORD dwType);
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| 64 | int copy_handle (HANDLETBL *lpTable, HCRYPTKEY handle, DWORD dwType, HCRYPTKEY *copy);
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| 65 | int lookup_handle (HANDLETBL *lpTable, HCRYPTKEY handle, DWORD dwType, OBJECTHDR **lplpObject);
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| 66 | int is_valid_handle (HANDLETBL *lpTable, HCRYPTKEY handle, DWORD dwType);
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| 67 |
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| 68 | HCRYPTKEY new_object (HANDLETBL *lpTable, size_t cbSize, DWORD dwType, DESTRUCTOR destructor,
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| 69 | OBJECTHDR **ppObject);
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| 70 |
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| 71 | #ifdef __cplusplus
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| 72 | }
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| 73 | #endif
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| 74 |
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| 75 | #endif /* __WINE_HANDLE_H */
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