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Use PublicKeyAlgorithmTags instead of homebrew choices constants, fix expiry selection for adding new subkeys

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This commit is contained in:
Dominik Schürmann 2014-08-05 20:52:29 +02:00
parent 39380a3617
commit f8a222983e
10 changed files with 102 additions and 78 deletions
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7
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/Constants.java
View file

@ -92,13 +92,6 @@ public final class Constants {
}
public static final class choice {
public static final class algorithm {
// TODO: legacy reasons :/ better: PublicKeyAlgorithmTags
public static final int dsa = 0x21070001;
public static final int elgamal = 0x21070002;
public static final int rsa = 0x21070003;
}
public static final class compression {
// TODO: legacy reasons :/ better: CompressionAlgorithmTags.UNCOMPRESSED
public static final int none = 0x21070001;

22
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyHelper.java
View file

@ -24,7 +24,7 @@ import android.text.Spannable;
import android.text.SpannableStringBuilder;
import android.text.style.ForegroundColorSpan;
import org.spongycastle.openpgp.PGPPublicKey;
import org.spongycastle.bcpg.PublicKeyAlgorithmTags;
import org.spongycastle.util.encoders.Hex;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
@ -37,9 +37,6 @@ import java.util.Locale;
public class PgpKeyHelper {
/**
* TODO: Only used in HkpKeyServer. Get rid of this one!
*/
public static String getAlgorithmInfo(int algorithm) {
return getAlgorithmInfo(null, algorithm, 0);
}
@ -55,25 +52,25 @@ public class PgpKeyHelper {
String algorithmStr;
switch (algorithm) {
case PGPPublicKey.RSA_ENCRYPT:
case PGPPublicKey.RSA_GENERAL:
case PGPPublicKey.RSA_SIGN: {
case PublicKeyAlgorithmTags.RSA_ENCRYPT:
case PublicKeyAlgorithmTags.RSA_GENERAL:
case PublicKeyAlgorithmTags.RSA_SIGN: {
algorithmStr = "RSA";
break;
}
case PGPPublicKey.DSA: {
case PublicKeyAlgorithmTags.DSA: {
algorithmStr = "DSA";
break;
}
case PGPPublicKey.ELGAMAL_ENCRYPT:
case PGPPublicKey.ELGAMAL_GENERAL: {
case PublicKeyAlgorithmTags.ELGAMAL_ENCRYPT:
case PublicKeyAlgorithmTags.ELGAMAL_GENERAL: {
algorithmStr = "ElGamal";
break;
}
case PGPPublicKey.ECDSA:
case PGPPublicKey.ECDH: {
case PublicKeyAlgorithmTags.ECDSA:
case PublicKeyAlgorithmTags.ECDH: {
algorithmStr = "ECC";
break;
}
@ -82,7 +79,6 @@ public class PgpKeyHelper {
if (context != null) {
algorithmStr = context.getResources().getString(R.string.unknown_algorithm);
} else {
// TODO
algorithmStr = "unknown";
}
break;

9
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java
View file

@ -20,6 +20,7 @@ package org.sufficientlysecure.keychain.pgp;
import org.spongycastle.bcpg.CompressionAlgorithmTags;
import org.spongycastle.bcpg.HashAlgorithmTags;
import org.spongycastle.bcpg.PublicKeyAlgorithmTags;
import org.spongycastle.bcpg.SymmetricKeyAlgorithmTags;
import org.spongycastle.bcpg.sig.KeyFlags;
import org.spongycastle.jce.spec.ElGamalParameterSpec;
@ -138,7 +139,7 @@ public class PgpKeyOperation {
KeyPairGenerator keyGen;
switch (algorithmChoice) {
case Constants.choice.algorithm.dsa: {
case PublicKeyAlgorithmTags.DSA: {
progress(R.string.progress_generating_dsa, 30);
keyGen = KeyPairGenerator.getInstance("DSA", Constants.BOUNCY_CASTLE_PROVIDER_NAME);
keyGen.initialize(keySize, new SecureRandom());
@ -146,7 +147,7 @@ public class PgpKeyOperation {
break;
}
case Constants.choice.algorithm.elgamal: {
case PublicKeyAlgorithmTags.ELGAMAL_ENCRYPT: {
progress(R.string.progress_generating_elgamal, 30);
keyGen = KeyPairGenerator.getInstance("ElGamal", Constants.BOUNCY_CASTLE_PROVIDER_NAME);
BigInteger p = Primes.getBestPrime(keySize);
@ -159,7 +160,7 @@ public class PgpKeyOperation {
break;
}
case Constants.choice.algorithm.rsa: {
case PublicKeyAlgorithmTags.RSA_GENERAL: {
progress(R.string.progress_generating_rsa, 30);
keyGen = KeyPairGenerator.getInstance("RSA", Constants.BOUNCY_CASTLE_PROVIDER_NAME);
keyGen.initialize(keySize, new SecureRandom());
@ -217,7 +218,7 @@ public class PgpKeyOperation {
return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null);
}
if (add.mAlgorithm == Constants.choice.algorithm.elgamal) {
if (add.mAlgorithm == PublicKeyAlgorithmTags.ELGAMAL_ENCRYPT) {
log.add(LogLevel.ERROR, LogType.MSG_CR_ERROR_MASTER_ELGAMAL, indent);
return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null);
}

8
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyFinalFragment.java
View file

@ -31,7 +31,9 @@ import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.TextView;
import org.spongycastle.bcpg.PublicKeyAlgorithmTags;
import org.spongycastle.bcpg.sig.KeyFlags;
import org.spongycastle.openpgp.PGPPublicKey;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.helper.Preferences;
@ -169,9 +171,9 @@ public class CreateKeyFinalFragment extends Fragment {
Bundle data = new Bundle();
SaveKeyringParcel parcel = new SaveKeyringParcel();
parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(Constants.choice.algorithm.rsa, 4096, KeyFlags.CERTIFY_OTHER, null));
parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(Constants.choice.algorithm.rsa, 4096, KeyFlags.SIGN_DATA, null));
parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(Constants.choice.algorithm.rsa, 4096, KeyFlags.ENCRYPT_COMMS | KeyFlags.ENCRYPT_STORAGE, null));
parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(PublicKeyAlgorithmTags.RSA_GENERAL, 4096, KeyFlags.CERTIFY_OTHER, null));
parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(PublicKeyAlgorithmTags.RSA_GENERAL, 4096, KeyFlags.SIGN_DATA, null));
parcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(PublicKeyAlgorithmTags.RSA_GENERAL, 4096, KeyFlags.ENCRYPT_COMMS | KeyFlags.ENCRYPT_STORAGE, null));
String userId = KeyRing.createUserId(mName, mEmail, null);
parcel.mAddUserIds.add(userId);
parcel.mChangePrimaryUserId = userId;

9
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyFragment.java
View file

@ -397,15 +397,16 @@ public class EditKeyFragment extends LoaderFragment implements
private void editSubkeyExpiry(final int position) {
final long keyId = mSubkeysAdapter.getKeyId(position);
final long creationDate = mSubkeysAdapter.getCreationDate(position);
final long expiryDate = mSubkeysAdapter.getExpiryDate(position);
final Long creationDate = mSubkeysAdapter.getCreationDate(position);
final Long expiryDate = mSubkeysAdapter.getExpiryDate(position);
Handler returnHandler = new Handler() {
@Override
public void handleMessage(Message message) {
switch (message.what) {
case EditSubkeyExpiryDialogFragment.MESSAGE_NEW_EXPIRY_DATE:
long expiry = message.getData().getLong(EditSubkeyExpiryDialogFragment.MESSAGE_DATA_EXPIRY_DATE);
Long expiry = (Long) message.getData().
getSerializable(EditSubkeyExpiryDialogFragment.MESSAGE_DATA_EXPIRY_DATE);
Log.d(Constants.TAG, "new expiry: " + expiry);
mSaveKeyringParcel.getOrCreateSubkeyChange(keyId).mExpiry = expiry;
break;
@ -464,7 +465,7 @@ public class EditKeyFragment extends LoaderFragment implements
new AddSubkeyDialogFragment.OnAlgorithmSelectedListener() {
@Override
public void onAlgorithmSelected(SaveKeyringParcel.SubkeyAdd newSubkey) {
mSubkeysAddedAdapter.add(new SaveKeyringParcel.SubkeyAdd(Constants.choice.algorithm.rsa, 4096, KeyFlags.SIGN_DATA, null));
mSubkeysAddedAdapter.add(newSubkey);
}
}
);

13
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/SubkeysAdapter.java
View file

@ -95,9 +95,13 @@ public class SubkeysAdapter extends CursorAdapter {
return mCursor.getLong(INDEX_CREATION);
}
public long getExpiryDate(int position) {
public Long getExpiryDate(int position) {
mCursor.moveToPosition(position);
return mCursor.getLong(INDEX_EXPIRY);
if (mCursor.isNull(INDEX_EXPIRY)) {
return null;
} else {
return mCursor.getLong(INDEX_EXPIRY);
}
}
@Override
@ -178,8 +182,9 @@ public class SubkeysAdapter extends CursorAdapter {
SaveKeyringParcel.SubkeyChange subkeyChange = mSaveKeyringParcel.getSubkeyChange(keyId);
if (subkeyChange != null) {
// 0 is "no expiry"
if (subkeyChange.mExpiry != null && subkeyChange.mExpiry != 0) {
if (subkeyChange.mExpiry == null) {
expiryDate = null;
} else {
expiryDate = new Date(subkeyChange.mExpiry * 1000);
}
}

36
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/SubkeysAddedAdapter.java
View file

@ -102,35 +102,27 @@ public class SubkeysAddedAdapter extends ArrayAdapter<SaveKeyringParcel.SubkeyAd
holder.mModel.mAlgorithm,
holder.mModel.mKeysize
);
holder.vKeyId.setText("new");
holder.vKeyId.setText(R.string.edit_key_new_subkey);
holder.vKeyDetails.setText(algorithmStr);
if (holder.mModel.mExpiry != null) {
Date expiryDate = new Date(holder.mModel.mExpiry * 1000);
holder.vKeyExpiry.setText(getContext().getString(R.string.label_expiry) + ": "
+ DateFormat.getDateFormat(getContext()).format(expiryDate));
} else {
holder.vKeyExpiry.setText(getContext().getString(R.string.label_expiry) + ": "
+ getContext().getString(R.string.none));
}
// holder.mModel.mFlags
// Set icons according to properties
// holder.vMasterIcon.setVisibility(cursor.getInt(INDEX_RANK) == 0 ? View.VISIBLE : View.INVISIBLE);
// holder.vCertifyIcon.setVisibility(cursor.getInt(INDEX_CAN_CERTIFY) != 0 ? View.VISIBLE : View.GONE);
// holder.vEncryptIcon.setVisibility(cursor.getInt(INDEX_CAN_ENCRYPT) != 0 ? View.VISIBLE : View.GONE);
// holder.vSignIcon.setVisibility(cursor.getInt(INDEX_CAN_SIGN) != 0 ? View.VISIBLE : View.GONE);
// if (!cursor.isNull(INDEX_EXPIRY)) {
// Date expiryDate = new Date(cursor.getLong(INDEX_EXPIRY) * 1000);
// isExpired = expiryDate.before(new Date());
//
// holder.vKeyExpiry.setText(context.getString(R.string.label_expiry) + ": "
// + DateFormat.getDateFormat(context).format(expiryDate));
// } else {
// isExpired = false;
//
// holder.vKeyExpiry.setText(context.getString(R.string.label_expiry) + ": " + context.getString(R.string.none));
// }
//
// holder.vAddress.setText(holder.mModel.address);
// holder.vAddress.setThreshold(1); // Start working from first character
// holder.vAddress.setAdapter(mAutoCompleteEmailAdapter);
//
// holder.vName.setText(holder.mModel.name);
// holder.vName.setThreshold(1); // Start working from first character
// holder.vName.setAdapter(mAutoCompleteNameAdapter);
//
// holder.vComment.setText(holder.mModel.comment);
return convertView;
}

61
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/AddSubkeyDialogFragment.java
View file

@ -27,6 +27,7 @@ import android.support.v4.app.DialogFragment;
import android.support.v4.app.FragmentActivity;
import android.text.Editable;
import android.text.TextWatcher;
import android.text.format.DateUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
@ -40,7 +41,9 @@ import android.widget.Spinner;
import android.widget.TableRow;
import android.widget.TextView;
import org.spongycastle.bcpg.PublicKeyAlgorithmTags;
import org.spongycastle.bcpg.sig.KeyFlags;
import org.spongycastle.openpgp.PGPPublicKey;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
@ -48,6 +51,9 @@ import org.sufficientlysecure.keychain.util.Choice;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
public class AddSubkeyDialogFragment extends DialogFragment {
@ -125,14 +131,18 @@ public class AddSubkeyDialogFragment extends DialogFragment {
}
});
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
mExpiryDatePicker.setMinDate(new Date().getTime() + DateUtils.DAY_IN_MILLIS);
}
ArrayList<Choice> choices = new ArrayList<Choice>();
choices.add(new Choice(Constants.choice.algorithm.dsa, getResources().getString(
choices.add(new Choice(PublicKeyAlgorithmTags.DSA, getResources().getString(
R.string.dsa)));
if (!willBeMasterKey) {
choices.add(new Choice(Constants.choice.algorithm.elgamal, getResources().getString(
choices.add(new Choice(PublicKeyAlgorithmTags.ELGAMAL_ENCRYPT, getResources().getString(
R.string.elgamal)));
}
choices.add(new Choice(Constants.choice.algorithm.rsa, getResources().getString(
choices.add(new Choice(PublicKeyAlgorithmTags.RSA_GENERAL, getResources().getString(
R.string.rsa)));
ArrayAdapter<Choice> adapter = new ArrayAdapter<Choice>(context,
android.R.layout.simple_spinner_item, choices);
@ -140,13 +150,12 @@ public class AddSubkeyDialogFragment extends DialogFragment {
mAlgorithmSpinner.setAdapter(adapter);
// make RSA the default
for (int i = 0; i < choices.size(); ++i) {
if (choices.get(i).getId() == Constants.choice.algorithm.rsa) {
if (choices.get(i).getId() == PublicKeyAlgorithmTags.RSA_GENERAL) {
mAlgorithmSpinner.setSelection(i);
break;
}
}
// dynamic ArrayAdapter must be created (instead of ArrayAdapter.getFromResource), because it's content may change
ArrayAdapter<CharSequence> keySizeAdapter = new ArrayAdapter<CharSequence>(context, android.R.layout.simple_spinner_item,
new ArrayList<CharSequence>(Arrays.asList(getResources().getStringArray(R.array.rsa_key_size_spinner_values))));
@ -161,11 +170,37 @@ public class AddSubkeyDialogFragment extends DialogFragment {
di.dismiss();
Choice newKeyAlgorithmChoice = (Choice) mAlgorithmSpinner.getSelectedItem();
int newKeySize = getProperKeyLength(newKeyAlgorithmChoice.getId(), getSelectedKeyLength());
int flags = 0;
if (mFlagCertify.isChecked()) {
flags += KeyFlags.CERTIFY_OTHER;
}
if (mFlagSign.isChecked()) {
flags += KeyFlags.SIGN_DATA;
}
if (mFlagEncrypt.isChecked()) {
flags += KeyFlags.ENCRYPT_COMMS + KeyFlags.ENCRYPT_STORAGE;
}
if (mFlagAuthenticate.isChecked()) {
flags += KeyFlags.AUTHENTICATION;
}
Long expiry;
if (mNoExpiryCheckBox.isChecked()) {
expiry = null;
} else {
Calendar selectedCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
//noinspection ResourceType
selectedCal.set(mExpiryDatePicker.getYear(),
mExpiryDatePicker.getMonth(), mExpiryDatePicker.getDayOfMonth());
expiry = selectedCal.getTime().getTime() / 1000;
}
SaveKeyringParcel.SubkeyAdd newSubkey = new SaveKeyringParcel.SubkeyAdd(
newKeyAlgorithmChoice.getId(),
newKeySize,
KeyFlags.SIGN_DATA, //TODO
null
flags,
expiry
);
mAlgorithmSelectedListener.onAlgorithmSelected(newSubkey);
}
@ -261,12 +296,12 @@ public class AddSubkeyDialogFragment extends DialogFragment {
final int[] elGamalSupportedLengths = {1536, 2048, 3072, 4096, 8192};
int properKeyLength = -1;
switch (algorithmId) {
case Constants.choice.algorithm.rsa:
case PublicKeyAlgorithmTags.RSA_GENERAL:
if (currentKeyLength > 1024 && currentKeyLength <= 8192) {
properKeyLength = currentKeyLength + ((8 - (currentKeyLength % 8)) % 8);
}
break;
case Constants.choice.algorithm.elgamal:
case PublicKeyAlgorithmTags.ELGAMAL_ENCRYPT:
int[] elGammalKeyDiff = new int[elGamalSupportedLengths.length];
for (int i = 0; i < elGamalSupportedLengths.length; i++) {
elGammalKeyDiff[i] = Math.abs(elGamalSupportedLengths[i] - currentKeyLength);
@ -281,7 +316,7 @@ public class AddSubkeyDialogFragment extends DialogFragment {
}
properKeyLength = elGamalSupportedLengths[minimalIndex];
break;
case Constants.choice.algorithm.dsa:
case PublicKeyAlgorithmTags.DSA:
if (currentKeyLength >= 512 && currentKeyLength <= 1024) {
properKeyLength = currentKeyLength + ((64 - (currentKeyLength % 64)) % 64);
}
@ -320,15 +355,15 @@ public class AddSubkeyDialogFragment extends DialogFragment {
final Object selectedItem = mKeySizeSpinner.getSelectedItem();
keySizeAdapter.clear();
switch (algorithmId) {
case Constants.choice.algorithm.rsa:
case PublicKeyAlgorithmTags.RSA_GENERAL:
replaceArrayAdapterContent(keySizeAdapter, R.array.rsa_key_size_spinner_values);
mCustomKeyInfoTextView.setText(getResources().getString(R.string.key_size_custom_info_rsa));
break;
case Constants.choice.algorithm.elgamal:
case PublicKeyAlgorithmTags.ELGAMAL_ENCRYPT:
replaceArrayAdapterContent(keySizeAdapter, R.array.elgamal_key_size_spinner_values);
mCustomKeyInfoTextView.setText(""); // ElGamal does not support custom key length
break;
case Constants.choice.algorithm.dsa:
case PublicKeyAlgorithmTags.DSA:
replaceArrayAdapterContent(keySizeAdapter, R.array.dsa_key_size_spinner_values);
mCustomKeyInfoTextView.setText(getResources().getString(R.string.key_size_custom_info_dsa));
break;

13
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/EditSubkeyExpiryDialogFragment.java
View file

@ -56,12 +56,12 @@ public class EditSubkeyExpiryDialogFragment extends DialogFragment {
* Creates new instance of this dialog fragment
*/
public static EditSubkeyExpiryDialogFragment newInstance(Messenger messenger,
long creationDate, long expiryDate) {
Long creationDate, Long expiryDate) {
EditSubkeyExpiryDialogFragment frag = new EditSubkeyExpiryDialogFragment();
Bundle args = new Bundle();
args.putParcelable(ARG_MESSENGER, messenger);
args.putLong(ARG_CREATION_DATE, creationDate);
args.putLong(ARG_EXPIRY_DATE, expiryDate);
args.putSerializable(ARG_CREATION_DATE, creationDate);
args.putSerializable(ARG_EXPIRY_DATE, expiryDate);
frag.setArguments(args);
@ -124,12 +124,12 @@ public class EditSubkeyExpiryDialogFragment extends DialogFragment {
- (mExpiryCal.getTimeInMillis() / 86400000);
if (numDays > 0) {
Bundle data = new Bundle();
data.putLong(MESSAGE_DATA_EXPIRY_DATE, selectedCal.getTime().getTime() / 1000);
data.putSerializable(MESSAGE_DATA_EXPIRY_DATE, selectedCal.getTime().getTime() / 1000);
sendMessageToHandler(MESSAGE_NEW_EXPIRY_DATE, data);
}
} else {
Bundle data = new Bundle();
data.putLong(MESSAGE_DATA_EXPIRY_DATE, selectedCal.getTime().getTime() / 1000);
data.putSerializable(MESSAGE_DATA_EXPIRY_DATE, selectedCal.getTime().getTime() / 1000);
sendMessageToHandler(MESSAGE_NEW_EXPIRY_DATE, data);
}
}
@ -140,9 +140,8 @@ public class EditSubkeyExpiryDialogFragment extends DialogFragment {
public void onClick(DialogInterface dialog, int id) {
dismiss();
// "no expiry" corresponds to a 0
Bundle data = new Bundle();
data.putLong(MESSAGE_DATA_EXPIRY_DATE, 0);
data.putSerializable(MESSAGE_DATA_EXPIRY_DATE, null);
sendMessageToHandler(MESSAGE_NEW_EXPIRY_DATE, data);
}
});

2
OpenKeychain/src/main/res/values/strings.xml
View file

@ -446,7 +446,7 @@
<item>Change Expiry</item>
<item>Revoke Subkey</item>
</string-array>
<string name="edit_key_new_subkey">new</string>
<!-- Create key -->
<string name="create_key_upload">Upload key to keyserver</string>