/gecko_api/include/hasht.h
C Header | 102 lines | 39 code | 9 blank | 54 comment | 0 complexity | d511ae36b207a137cb6e64a85639ec55 MD5 | raw file
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is the Netscape security libraries.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 1994-2000
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
- /* $Id: hasht.h,v 1.7 2005/11/07 18:44:20 wtchang%redhat.com Exp $ */
- #ifndef _HASHT_H_
- #define _HASHT_H_
- /* Opaque objects */
- typedef struct SECHashObjectStr SECHashObject;
- typedef struct HASHContextStr HASHContext;
- /*
- * The hash functions the security library supports
- * NOTE the order must match the definition of SECHashObjects[]!
- */
- typedef enum {
- HASH_AlgNULL = 0,
- HASH_AlgMD2 = 1,
- HASH_AlgMD5 = 2,
- HASH_AlgSHA1 = 3,
- HASH_AlgSHA256 = 4,
- HASH_AlgSHA384 = 5,
- HASH_AlgSHA512 = 6,
- HASH_AlgTOTAL
- } HASH_HashType;
- /*
- * Number of bytes each hash algorithm produces
- */
- #define MD2_LENGTH 16
- #define MD5_LENGTH 16
- #define SHA1_LENGTH 20
- #define SHA256_LENGTH 32
- #define SHA384_LENGTH 48
- #define SHA512_LENGTH 64
- #define HASH_LENGTH_MAX SHA512_LENGTH
- /*
- * Structure to hold hash computation info and routines
- */
- struct SECHashObjectStr {
- unsigned int length; /* hash output length (in bytes) */
- void * (*create)(void);
- void * (*clone)(void *);
- void (*destroy)(void *, PRBool);
- void (*begin)(void *);
- void (*update)(void *, const unsigned char *, unsigned int);
- void (*end)(void *, unsigned char *, unsigned int *, unsigned int);
- unsigned int blocklength; /* hash input block size (in bytes) */
- HASH_HashType type;
- };
- struct HASHContextStr {
- const struct SECHashObjectStr *hashobj;
- void *hash_context;
- };
- /* This symbol is NOT exported from the NSS DLL. Code that needs a
- * pointer to one of the SECHashObjects should call HASH_GetHashObject()
- * instead. See "sechash.h".
- */
- extern const SECHashObject SECHashObjects[];
- /* Only those functions below the PKCS #11 line should use SECRawHashObjects.
- * This symbol is not exported from the NSS DLL.
- */
- extern const SECHashObject SECRawHashObjects[];
- #endif /* _HASHT_H_ */