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lightning-sunbird  0.9+nobinonly
sechash.h
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00001 #ifndef _HASH_H_
00002 #define _HASH_H_
00003 /* ***** BEGIN LICENSE BLOCK *****
00004  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00005  *
00006  * The contents of this file are subject to the Mozilla Public License Version
00007  * 1.1 (the "License"); you may not use this file except in compliance with
00008  * the License. You may obtain a copy of the License at
00009  * http://www.mozilla.org/MPL/
00010  *
00011  * Software distributed under the License is distributed on an "AS IS" basis,
00012  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00013  * for the specific language governing rights and limitations under the
00014  * License.
00015  *
00016  * The Original Code is the Netscape security libraries.
00017  *
00018  * The Initial Developer of the Original Code is
00019  * Netscape Communications Corporation.
00020  * Portions created by the Initial Developer are Copyright (C) 1994-2000
00021  * the Initial Developer. All Rights Reserved.
00022  *
00023  * Contributor(s):
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either the GNU General Public License Version 2 or later (the "GPL"), or
00027  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
00030  * under the terms of either the GPL or the LGPL, and not to allow others to
00031  * use your version of this file under the terms of the MPL, indicate your
00032  * decision by deleting the provisions above and replace them with the notice
00033  * and other provisions required by the GPL or the LGPL. If you do not delete
00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 /* $Id: sechash.h,v 1.5 2004/04/27 23:04:35 gerv%gerv.net Exp $ */
00039 
00040 #include "seccomon.h"
00041 #include "hasht.h"
00042 #include "secoidt.h"
00043 
00044 SEC_BEGIN_PROTOS
00045 
00046 /*
00047 ** Generic hash api.  
00048 */
00049 
00050 extern unsigned int  HASH_ResultLen(HASH_HashType type);
00051 
00052 extern unsigned int  HASH_ResultLenContext(HASHContext *context);
00053 
00054 extern unsigned int  HASH_ResultLenByOidTag(SECOidTag hashOid);
00055 
00056 extern SECStatus     HASH_HashBuf(HASH_HashType type,
00057                              unsigned char *dest,
00058                              unsigned char *src,
00059                              uint32 src_len);
00060 
00061 extern HASHContext * HASH_Create(HASH_HashType type);
00062 
00063 extern HASHContext * HASH_Clone(HASHContext *context);
00064 
00065 extern void          HASH_Destroy(HASHContext *context);
00066 
00067 extern void          HASH_Begin(HASHContext *context);
00068 
00069 extern void          HASH_Update(HASHContext *context,
00070                             const unsigned char *src,
00071                             unsigned int len);
00072 
00073 extern void          HASH_End(HASHContext *context,
00074                           unsigned char *result,
00075                           unsigned int *result_len,
00076                           unsigned int max_result_len);
00077 
00078 extern const SECHashObject * HASH_GetHashObject(HASH_HashType type);
00079 
00080 extern const SECHashObject * HASH_GetHashObjectByOidTag(SECOidTag hashOid);
00081 
00082 extern HASH_HashType HASH_GetHashTypeByOidTag(SECOidTag hashOid);
00083 
00084 SEC_END_PROTOS
00085 
00086 #endif /* _HASH_H_ */