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1 /*
2  * blapit.h - public data structures for the crypto library
3  *
4  * ***** BEGIN LICENSE BLOCK *****
5  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6  *
7  * The contents of this file are subject to the Mozilla Public License Version
8  * 1.1 (the "License"); you may not use this file except in compliance with
9  * the License. You may obtain a copy of the License at
10  * http://www.mozilla.org/MPL/
11  *
12  * Software distributed under the License is distributed on an "AS IS" basis,
13  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14  * for the specific language governing rights and limitations under the
15  * License.
16  *
17  * The Original Code is the Netscape security libraries.
18  *
19  * The Initial Developer of the Original Code is
20  * Netscape Communications Corporation.
21  * Portions created by the Initial Developer are Copyright (C) 1994-2000
22  * the Initial Developer. All Rights Reserved.
23  *
24  * Contributor(s):
25  *   Dr Vipul Gupta <vipul.gupta@sun.com> and
26  *   Douglas Stebila <douglas@stebila.ca>, Sun Microsystems Laboratories
27  *
28  * Alternatively, the contents of this file may be used under the terms of
29  * either the GNU General Public License Version 2 or later (the "GPL"), or
30  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
31  * in which case the provisions of the GPL or the LGPL are applicable instead
32  * of those above. If you wish to allow use of your version of this file only
33  * under the terms of either the GPL or the LGPL, and not to allow others to
34  * use your version of this file under the terms of the MPL, indicate your
35  * decision by deleting the provisions above and replace them with the notice
36  * and other provisions required by the GPL or the LGPL. If you do not delete
37  * the provisions above, a recipient may use your version of this file under
38  * the terms of any one of the MPL, the GPL or the LGPL.
39  *
40  * ***** END LICENSE BLOCK ***** */
41 /* $Id: blapit.h,v 1.20 2007/02/28 19:47:37 rrelyea%redhat.com Exp $ */
42 
43 #ifndef CRYPTO_THIRD_PARTY_NSS_CHROMIUM_BLAPIT_H_
44 #define CRYPTO_THIRD_PARTY_NSS_CHROMIUM_BLAPIT_H_
45 
46 #include "crypto/third_party/nss/chromium-prtypes.h"
47 
48 /*
49 ** A status code. Status's are used by procedures that return status
50 ** values. Again the motivation is so that a compiler can generate
51 ** warnings when return values are wrong. Correct testing of status codes:
52 **
53 **      SECStatus rv;
54 **      rv = some_function (some_argument);
55 **      if (rv != SECSuccess)
56 **              do_an_error_thing();
57 **
58 */
59 typedef enum _SECStatus {
60     SECWouldBlock = -2,
61     SECFailure = -1,
62     SECSuccess = 0
63 } SECStatus;
64 
65 #define SHA256_LENGTH 		32 	/* bytes */
66 #define SHA384_LENGTH 		48 	/* bytes */
67 #define SHA512_LENGTH 		64 	/* bytes */
68 #define HASH_LENGTH_MAX         SHA512_LENGTH
69 
70 /*
71  * Input block size for each hash algorithm.
72  */
73 
74 #define SHA256_BLOCK_LENGTH      64     /* bytes */
75 #define SHA384_BLOCK_LENGTH     128     /* bytes */
76 #define SHA512_BLOCK_LENGTH     128     /* bytes */
77 #define HASH_BLOCK_LENGTH_MAX   SHA512_BLOCK_LENGTH
78 
79 /***************************************************************************
80 ** Opaque objects
81 */
82 
83 struct SHA256ContextStr     ;
84 struct SHA512ContextStr     ;
85 
86 typedef struct SHA256ContextStr     SHA256Context;
87 typedef struct SHA512ContextStr     SHA512Context;
88 /* SHA384Context is really a SHA512ContextStr.  This is not a mistake. */
89 typedef struct SHA512ContextStr     SHA384Context;
90 
91 #endif /* CRYPTO_THIRD_PARTY_NSS_CHROMIUM_BLAPIT_H_ */
92