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/gecko_api/include/sechash.h

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C++ Header | 90 lines | 32 code | 19 blank | 39 comment | 0 complexity | c64879003ea1973be1a3958e05998125 MD5 | raw file
 1#ifndef _HASH_H_
 2#define _HASH_H_
 3/* ***** BEGIN LICENSE BLOCK *****
 4 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 5 *
 6 * The contents of this file are subject to the Mozilla Public License Version
 7 * 1.1 (the "License"); you may not use this file except in compliance with
 8 * the License. You may obtain a copy of the License at
 9 * http://www.mozilla.org/MPL/
10 *
11 * Software distributed under the License is distributed on an "AS IS" basis,
12 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 * for the specific language governing rights and limitations under the
14 * License.
15 *
16 * The Original Code is the Netscape security libraries.
17 *
18 * The Initial Developer of the Original Code is
19 * Netscape Communications Corporation.
20 * Portions created by the Initial Developer are Copyright (C) 1994-2000
21 * the Initial Developer. All Rights Reserved.
22 *
23 * Contributor(s):
24 *
25 * Alternatively, the contents of this file may be used under the terms of
26 * either the GNU General Public License Version 2 or later (the "GPL"), or
27 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 * in which case the provisions of the GPL or the LGPL are applicable instead
29 * of those above. If you wish to allow use of your version of this file only
30 * under the terms of either the GPL or the LGPL, and not to allow others to
31 * use your version of this file under the terms of the MPL, indicate your
32 * decision by deleting the provisions above and replace them with the notice
33 * and other provisions required by the GPL or the LGPL. If you do not delete
34 * the provisions above, a recipient may use your version of this file under
35 * the terms of any one of the MPL, the GPL or the LGPL.
36 *
37 * ***** END LICENSE BLOCK ***** */
38/* $Id: sechash.h,v 1.8 2008/02/22 21:14:20 nelson%bolyard.com Exp $ */
39
40#include "seccomon.h"
41#include "hasht.h"
42#include "secoidt.h"
43
44SEC_BEGIN_PROTOS
45
46/*
47** Generic hash api.  
48*/
49
50extern unsigned int  HASH_ResultLen(HASH_HashType type);
51
52extern unsigned int  HASH_ResultLenContext(HASHContext *context);
53
54extern unsigned int  HASH_ResultLenByOidTag(SECOidTag hashOid);
55
56extern SECStatus     HASH_HashBuf(HASH_HashType type,
57				 unsigned char *dest,
58				 unsigned char *src,
59				 PRUint32 src_len);
60
61extern HASHContext * HASH_Create(HASH_HashType type);
62
63extern HASHContext * HASH_Clone(HASHContext *context);
64
65extern void          HASH_Destroy(HASHContext *context);
66
67extern void          HASH_Begin(HASHContext *context);
68
69extern void          HASH_Update(HASHContext *context,
70				const unsigned char *src,
71				unsigned int len);
72
73extern void          HASH_End(HASHContext *context,
74			     unsigned char *result,
75			     unsigned int *result_len,
76			     unsigned int max_result_len);
77			     
78extern HASH_HashType HASH_GetType(HASHContext *context);
79
80extern const SECHashObject * HASH_GetHashObject(HASH_HashType type);
81
82extern const SECHashObject * HASH_GetHashObjectByOidTag(SECOidTag hashOid);
83
84extern HASH_HashType HASH_GetHashTypeByOidTag(SECOidTag hashOid);
85extern SECOidTag HASH_GetHashOidTagByHMACOidTag(SECOidTag hmacOid);
86extern SECOidTag HASH_GetHMACOidTagByHashOidTag(SECOidTag hashOid);
87
88SEC_END_PROTOS
89
90#endif /* _HASH_H_ */