|
1 /* |
|
2 * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of the License "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 |
|
20 |
|
21 /** |
|
22 @file |
|
23 */ |
|
24 |
|
25 #include <e32std.h> |
|
26 #include <hash.h> |
|
27 #include "hashinc.h" |
|
28 #define EXPANDLOOP |
|
29 |
|
30 EXPORT_C CMessageDigest::CMessageDigest(void):CBase() |
|
31 {} |
|
32 |
|
33 EXPORT_C CMessageDigest::CMessageDigest(const CMessageDigest& /*aMD*/):CBase() |
|
34 {} |
|
35 |
|
36 EXPORT_C CMessageDigest::~CMessageDigest(void) |
|
37 {} |
|
38 |
|
39 /* Note that the shifts here are NOT guaranteed to work if s == 0, and it is |
|
40 * assumed in R() (and hence in all inline) that a is unsigned. */ |
|
41 // CMD_R - rotate a left by n bits; the main bottleneck of the algorithm |
|
42 // implementation |
|
43 /* |
|
44 C++ version compiles to: |
|
45 |
|
46 CMD_R__FUiUi: |
|
47 add r3, r0, #0 |
|
48 lsl r3, r3, r1 |
|
49 mov r2, #32 |
|
50 sub r2, r2, r1 |
|
51 lsr r0, r0, r2 |
|
52 add r3, r3, r0 |
|
53 add r0, r3, #0 |
|
54 bx lr |
|
55 |
|
56 */ |
|
57 |
|
58 ////////////////////////////////////////////////////////////////// |
|
59 // Factory class to create CMessageDigest derived objects |
|
60 ////////////////////////////////////////////////////////////////// |
|
61 EXPORT_C CMessageDigest* CMessageDigestFactory::NewDigestL(CMessageDigest::THashId aHashId) |
|
62 { |
|
63 CMessageDigest* hash = NULL; |
|
64 switch (aHashId) |
|
65 { |
|
66 case (CMessageDigest::EMD2): |
|
67 { |
|
68 hash = CMD2::NewL(); |
|
69 break; |
|
70 } |
|
71 case (CMessageDigest::EMD5): |
|
72 { |
|
73 hash = CMD5::NewL(); |
|
74 break; |
|
75 } |
|
76 case (CMessageDigest::ESHA1): |
|
77 { |
|
78 hash = CSHA1::NewL(); |
|
79 break; |
|
80 } |
|
81 case (CMessageDigest::EMD4): |
|
82 { |
|
83 hash = CMD4::NewL(); |
|
84 break; |
|
85 } |
|
86 case (CMessageDigest::ESHA224): |
|
87 { |
|
88 hash = CSHA2::NewL(E224Bit); |
|
89 break; |
|
90 } |
|
91 case (CMessageDigest::ESHA256): |
|
92 { |
|
93 hash = CSHA2::NewL(E256Bit); |
|
94 break; |
|
95 } |
|
96 case (CMessageDigest::ESHA384): |
|
97 { |
|
98 hash = CSHA2::NewL(E384Bit); |
|
99 break; |
|
100 } |
|
101 case (CMessageDigest::ESHA512): |
|
102 { |
|
103 hash = CSHA2::NewL(E512Bit); |
|
104 break; |
|
105 } |
|
106 case (CMessageDigest::HMAC): |
|
107 default: |
|
108 User::Leave(KErrNotSupported); |
|
109 } |
|
110 |
|
111 return (hash); |
|
112 } |
|
113 |
|
114 EXPORT_C CMessageDigest* CMessageDigestFactory::NewDigestLC(CMessageDigest::THashId aHashId) |
|
115 { |
|
116 CMessageDigest* hash = CMessageDigestFactory::NewDigestL(aHashId); |
|
117 CleanupStack::PushL(hash); |
|
118 return (hash); |
|
119 } |
|
120 |
|
121 EXPORT_C CMessageDigest* CMessageDigestFactory::NewHMACL(CMessageDigest::THashId aHashId, const TDesC8& aKey) |
|
122 { |
|
123 CMessageDigest* hash = CMessageDigestFactory::NewDigestLC(aHashId); |
|
124 CMessageDigest* hmac = CHMAC::NewL(aKey, hash); |
|
125 CleanupStack::Pop(hash); // Now owned by hmac |
|
126 return (hmac); |
|
127 } |
|
128 |
|
129 EXPORT_C CMessageDigest* CMessageDigestFactory::NewHMACLC(CMessageDigest::THashId aHashId, const TDesC8& aKey) |
|
130 { |
|
131 CMessageDigest* hmac = CMessageDigestFactory::NewHMACL(aHashId, aKey); |
|
132 CleanupStack::PushL(hmac); |
|
133 return (hmac); |
|
134 } |