1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
/*
* Copyright (C) 2014-2015 Vincent Breitmoser <v.breitmoser@mugenguild.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.operations;
import java.util.concurrent.atomic.AtomicBoolean;
import android.content.Context;
import android.support.annotation.NonNull;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.operations.results.OperationResult.LogType;
import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog;
import org.sufficientlysecure.keychain.operations.results.PgpEditKeyResult;
import org.sufficientlysecure.keychain.operations.results.PromoteKeyResult;
import org.sufficientlysecure.keychain.operations.results.SaveKeyringResult;
import org.sufficientlysecure.keychain.pgp.CanonicalizedPublicKey;
import org.sufficientlysecure.keychain.pgp.CanonicalizedPublicKeyRing;
import org.sufficientlysecure.keychain.pgp.Progressable;
import org.sufficientlysecure.keychain.pgp.UncachedKeyRing;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.provider.ProviderHelper.NotFoundException;
import org.sufficientlysecure.keychain.service.PromoteKeyringParcel;
import org.sufficientlysecure.keychain.service.input.CryptoInputParcel;
import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
import org.sufficientlysecure.keychain.util.ProgressScaler;
/** An operation which promotes a public key ring to a secret one.
*
* This operation can only be applied to public key rings where no secret key
* is available. Doing this "promotes" the public key ring to a secret one
* without secret key material, using a GNU_DUMMY s2k type.
*
*/
public class PromoteKeyOperation extends BaseOperation<PromoteKeyringParcel> {
public PromoteKeyOperation(Context context, ProviderHelper providerHelper,
Progressable progressable, AtomicBoolean cancelled) {
super(context, providerHelper, progressable, cancelled);
}
@NonNull
@Override
public PromoteKeyResult execute(PromoteKeyringParcel promoteKeyringParcel,
CryptoInputParcel cryptoInputParcel) {
OperationLog log = new OperationLog();
log.add(LogType.MSG_PR, 0);
// Perform actual type change
UncachedKeyRing promotedRing;
{
try {
log.add(LogType.MSG_PR_FETCHING, 1,
KeyFormattingUtils.convertKeyIdToHex(promoteKeyringParcel.mKeyRingId));
CanonicalizedPublicKeyRing pubRing =
mProviderHelper.getCanonicalizedPublicKeyRing(promoteKeyringParcel.mKeyRingId);
if (promoteKeyringParcel.mSubKeyIds == null) {
log.add(LogType.MSG_PR_ALL, 1);
} else {
// sort for binary search
for (CanonicalizedPublicKey key : pubRing.publicKeyIterator()) {
long subKeyId = key.getKeyId();
if (naiveIndexOf(promoteKeyringParcel.mSubKeyIds, subKeyId) != null) {
log.add(LogType.MSG_PR_SUBKEY_MATCH, 1,
KeyFormattingUtils.convertKeyIdToHex(subKeyId));
} else {
log.add(LogType.MSG_PR_SUBKEY_NOMATCH, 1,
KeyFormattingUtils.convertKeyIdToHex(subKeyId));
}
}
}
// create divert-to-card secret key from public key
promotedRing = pubRing.createDivertSecretRing(promoteKeyringParcel.mCardAid,
promoteKeyringParcel.mSubKeyIds);
} catch (NotFoundException e) {
log.add(LogType.MSG_PR_ERROR_KEY_NOT_FOUND, 2);
return new PromoteKeyResult(PromoteKeyResult.RESULT_ERROR, log, null);
}
}
// If the edit operation didn't succeed, exit here
if (promotedRing == null) {
// error is already logged by modification
return new PromoteKeyResult(PromoteKeyResult.RESULT_ERROR, log, null);
}
// Check if the action was cancelled
if (checkCancelled()) {
log.add(LogType.MSG_OPERATION_CANCELLED, 0);
return new PromoteKeyResult(PgpEditKeyResult.RESULT_CANCELLED, log, null);
}
// Cannot cancel from here on out!
setPreventCancel();
// Save the new keyring.
SaveKeyringResult saveResult = mProviderHelper
.saveSecretKeyRing(promotedRing, new ProgressScaler(mProgressable, 60, 95, 100));
log.add(saveResult, 1);
// If the save operation didn't succeed, exit here
if (!saveResult.success()) {
return new PromoteKeyResult(PromoteKeyResult.RESULT_ERROR, log, null);
}
updateProgress(R.string.progress_done, 100, 100);
log.add(LogType.MSG_PR_SUCCESS, 0);
return new PromoteKeyResult(PromoteKeyResult.RESULT_OK, log, promotedRing.getMasterKeyId());
}
static private Integer naiveIndexOf(long[] haystack, long needle) {
for (int i = 0; i < haystack.length; i++) {
if (needle == haystack[i]) {
return i;
}
}
return null;
}
}
|
