mirror of
https://github.com/moparisthebest/open-keychain
synced 2024-08-13 15:53:53 -04:00
242 lines
8.0 KiB
Java
242 lines
8.0 KiB
Java
/*
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* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
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* Copyright (C) 2014 Vincent Breitmoser <v.breitmoser@mugenguild.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.service;
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import android.os.Parcel;
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import android.os.Parcelable;
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import java.io.Serializable;
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import java.util.ArrayList;
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/**
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* This class is a a transferable representation for a collection of changes
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* to be done on a keyring.
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* <p/>
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* This class should include all types of operations supported in the backend.
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* <p/>
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* All changes are done in a differential manner. Besides the two key
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* identification attributes, all attributes may be null, which indicates no
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* change to the keyring. This is also the reason why boxed values are used
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* instead of primitives in the subclasses.
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* <p/>
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* Application of operations in the backend should be fail-fast, which means an
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* error in any included operation (for example revocation of a non-existent
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* subkey) will cause the operation as a whole to fail.
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*/
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public class SaveKeyringParcel implements Parcelable {
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// the master key id to be edited. if this is null, a new one will be created
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public Long mMasterKeyId;
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// the key fingerprint, for safety. MUST be null for a new key.
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public byte[] mFingerprint;
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public String mNewPassphrase;
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public ArrayList<String> mAddUserIds;
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public ArrayList<SubkeyAdd> mAddSubKeys;
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public ArrayList<SubkeyChange> mChangeSubKeys;
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public String mChangePrimaryUserId;
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public ArrayList<String> mRevokeUserIds;
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public ArrayList<Long> mRevokeSubKeys;
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public ArrayList<Long> mStripSubKeys;
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public SaveKeyringParcel() {
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reset();
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}
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public SaveKeyringParcel(long masterKeyId, byte[] fingerprint) {
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this();
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mMasterKeyId = masterKeyId;
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mFingerprint = fingerprint;
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}
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public void reset() {
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mNewPassphrase = null;
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mAddUserIds = new ArrayList<String>();
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mAddSubKeys = new ArrayList<SubkeyAdd>();
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mChangePrimaryUserId = null;
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mChangeSubKeys = new ArrayList<SubkeyChange>();
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mRevokeUserIds = new ArrayList<String>();
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mRevokeSubKeys = new ArrayList<Long>();
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mStripSubKeys = new ArrayList<Long>();
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}
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// performance gain for using Parcelable here would probably be negligible,
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// use Serializable instead.
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public static class SubkeyAdd implements Serializable {
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public Algorithm mAlgorithm;
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public Integer mKeySize;
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public Curve mCurve;
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public int mFlags;
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public Long mExpiry;
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public SubkeyAdd(Algorithm algorithm, Integer keySize, Curve curve, int flags, Long expiry) {
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mAlgorithm = algorithm;
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mKeySize = keySize;
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mCurve = curve;
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mFlags = flags;
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mExpiry = expiry;
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}
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@Override
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public String toString() {
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String out = "mAlgorithm: " + mAlgorithm + ", ";
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out += "mKeySize: " + mKeySize + ", ";
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out += "mCurve: " + mCurve + ", ";
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out += "mFlags: " + mFlags;
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out += "mExpiry: " + mExpiry;
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return out;
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}
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}
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public static class SubkeyChange implements Serializable {
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public long mKeyId;
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public Integer mFlags;
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// this is a long unix timestamp, in seconds (NOT MILLISECONDS!)
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public Long mExpiry;
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public SubkeyChange(long keyId) {
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mKeyId = keyId;
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}
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public SubkeyChange(long keyId, Integer flags, Long expiry) {
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mKeyId = keyId;
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mFlags = flags;
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mExpiry = expiry;
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}
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@Override
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public String toString() {
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String out = "mKeyId: " + mKeyId + ", ";
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out += "mFlags: " + mFlags + ", ";
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out += "mExpiry: " + mExpiry;
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return out;
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}
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}
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public SubkeyChange getSubkeyChange(long keyId) {
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for (SubkeyChange subkeyChange : mChangeSubKeys) {
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if (subkeyChange.mKeyId == keyId) {
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return subkeyChange;
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}
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}
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return null;
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}
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public SubkeyChange getOrCreateSubkeyChange(long keyId) {
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SubkeyChange foundSubkeyChange = getSubkeyChange(keyId);
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if (foundSubkeyChange != null) {
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return foundSubkeyChange;
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} else {
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// else, create a new one
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SubkeyChange newSubkeyChange = new SubkeyChange(keyId);
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mChangeSubKeys.add(newSubkeyChange);
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return newSubkeyChange;
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}
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}
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public SaveKeyringParcel(Parcel source) {
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mMasterKeyId = source.readInt() != 0 ? source.readLong() : null;
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mFingerprint = source.createByteArray();
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mNewPassphrase = source.readString();
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mAddUserIds = source.createStringArrayList();
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mAddSubKeys = (ArrayList<SubkeyAdd>) source.readSerializable();
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mChangeSubKeys = (ArrayList<SubkeyChange>) source.readSerializable();
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mChangePrimaryUserId = source.readString();
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mRevokeUserIds = source.createStringArrayList();
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mRevokeSubKeys = (ArrayList<Long>) source.readSerializable();
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mStripSubKeys = (ArrayList<Long>) source.readSerializable();
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}
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@Override
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public void writeToParcel(Parcel destination, int flags) {
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destination.writeInt(mMasterKeyId == null ? 0 : 1);
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if (mMasterKeyId != null) {
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destination.writeLong(mMasterKeyId);
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}
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destination.writeByteArray(mFingerprint);
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destination.writeString(mNewPassphrase);
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destination.writeStringList(mAddUserIds);
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destination.writeSerializable(mAddSubKeys);
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destination.writeSerializable(mChangeSubKeys);
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destination.writeString(mChangePrimaryUserId);
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destination.writeStringList(mRevokeUserIds);
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destination.writeSerializable(mRevokeSubKeys);
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destination.writeSerializable(mStripSubKeys);
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}
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public static final Creator<SaveKeyringParcel> CREATOR = new Creator<SaveKeyringParcel>() {
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public SaveKeyringParcel createFromParcel(final Parcel source) {
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return new SaveKeyringParcel(source);
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}
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public SaveKeyringParcel[] newArray(final int size) {
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return new SaveKeyringParcel[size];
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}
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};
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@Override
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public int describeContents() {
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return 0;
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}
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@Override
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public String toString() {
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String out = "mMasterKeyId: " + mMasterKeyId + "\n";
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out += "mNewPassphrase: " + mNewPassphrase + "\n";
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out += "mAddUserIds: " + mAddUserIds + "\n";
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out += "mAddSubKeys: " + mAddSubKeys + "\n";
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out += "mChangeSubKeys: " + mChangeSubKeys + "\n";
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out += "mChangePrimaryUserId: " + mChangePrimaryUserId + "\n";
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out += "mRevokeUserIds: " + mRevokeUserIds + "\n";
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out += "mRevokeSubKeys: " + mRevokeSubKeys + "\n";
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out += "mStripSubKeys: " + mStripSubKeys;
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return out;
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}
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// All supported algorithms
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public enum Algorithm {
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RSA, DSA, ELGAMAL, ECDSA, ECDH
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}
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// All curves defined in the standard
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// http://www.bouncycastle.org/wiki/pages/viewpage.action?pageId=362269
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public enum Curve {
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NIST_P256, NIST_P384, NIST_P521,
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// these are supported by gpg, but they are not in rfc6637 and not supported by BouncyCastle yet
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// (adding support would be trivial though -> JcaPGPKeyConverter.java:190)
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// BRAINPOOL_P256, BRAINPOOL_P384, BRAINPOOL_P512
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}
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}
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