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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* The Original Code is the Netscape security libraries.
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1994-2000
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* the Initial Developer. All Rights Reserved.
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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* ***** END LICENSE BLOCK ***** */
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/* $Id: hasht.h,v 1.7.6.2 2009/07/31 02:16:14 nrthomas%gmail.com Exp $ */
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typedef struct SECHashObjectStr SECHashObject;
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typedef struct HASHContextStr HASHContext;
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* The hash functions the security library supports
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* NOTE the order must match the definition of SECHashObjects[]!
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* Number of bytes each hash algorithm produces
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#define SHA1_LENGTH 20
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#define SHA256_LENGTH 32
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#define SHA384_LENGTH 48
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#define SHA512_LENGTH 64
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#define HASH_LENGTH_MAX SHA512_LENGTH
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* Structure to hold hash computation info and routines
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struct SECHashObjectStr {
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unsigned int length; /* hash output length (in bytes) */
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void * (*create)(void);
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void * (*clone)(void *);
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void (*destroy)(void *, PRBool);
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void (*begin)(void *);
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void (*update)(void *, const unsigned char *, unsigned int);
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void (*end)(void *, unsigned char *, unsigned int *, unsigned int);
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unsigned int blocklength; /* hash input block size (in bytes) */
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struct HASHContextStr {
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const struct SECHashObjectStr *hashobj;
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/* This symbol is NOT exported from the NSS DLL. Code that needs a
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* pointer to one of the SECHashObjects should call HASH_GetHashObject()
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* instead. See "sechash.h".
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extern const SECHashObject SECHashObjects[];
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/* Only those functions below the PKCS #11 line should use SECRawHashObjects.
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* This symbol is not exported from the NSS DLL.
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extern const SECHashObject SECRawHashObjects[];
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#endif /* _HASHT_H_ */