237 lines
12 KiB
JavaScript
237 lines
12 KiB
JavaScript
/* vim: ts=4:sw=4
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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 Lesser 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser 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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'use strict';
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describe('Protocol', function() {
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describe("Identity and Pre Key Creation", function() {
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this.timeout(200000);
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before(function() { localStorage.clear(); });
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after(function() { localStorage.clear(); });
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it ('works', function(done) {
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localStorage.clear();
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return axolotl.protocol.generateKeys().then(function() {
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assert.isDefined(axolotl.api.storage.get("25519KeyidentityKey"));
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assert.isDefined(axolotl.api.storage.get("25519KeysignedKey0"));
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for (var i = 0; i < 100; i++) {
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assert.isDefined(axolotl.api.storage.get("25519KeypreKey" + i));
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}
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var origIdentityKey = getString(axolotl.api.storage.get("25519KeyidentityKey").privKey);
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return axolotl.protocol.generateKeys().then(function() {
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assert.isDefined(axolotl.api.storage.get("25519KeyidentityKey"));
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assert.equal(getString(axolotl.api.storage.get("25519KeyidentityKey").privKey), origIdentityKey);
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assert.isDefined(axolotl.api.storage.get("25519KeysignedKey0"));
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assert.isDefined(axolotl.api.storage.get("25519KeysignedKey1"));
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for (var i = 0; i < 200; i++) {
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assert.isDefined(axolotl.api.storage.get("25519KeypreKey" + i));
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}
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return axolotl.protocol.generateKeys().then(function() {
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assert.isDefined(axolotl.api.storage.get("25519KeyidentityKey"));
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assert.equal(getString(axolotl.api.storage.get("25519KeyidentityKey").privKey), origIdentityKey);
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assert.isUndefined(axolotl.api.storage.get("25519KeysignedKey0"));
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assert.isDefined(axolotl.api.storage.get("25519KeysignedKey1"));
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assert.isDefined(axolotl.api.storage.get("25519KeysignedKey2"));
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for (var i = 0; i < 300; i++) {
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assert.isDefined(axolotl.api.storage.get("25519KeypreKey" + i));
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}
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});
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});
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}).then(done).catch(done);
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});
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});
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describe("Axolotl", function() {
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var runAxolotlTest = function(v) {
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var origCreateKeyPair = axolotl.crypto.createKeyPair;
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var doStep;
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var stepDone;
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stepDone = function(res) {
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if (!res || privKeyQueue.length != 0) {
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axolotl.crypto.createKeyPair = origCreateKeyPair;
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return false;
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} else if (step == v.length) {
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axolotl.crypto.createKeyPair = origCreateKeyPair;
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return true;
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} else
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return doStep().then(stepDone);
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}
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var privKeyQueue = [];
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axolotl.crypto.createKeyPair = function(privKey) {
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if (privKey !== undefined)
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return origCreateKeyPair(privKey);
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if (privKeyQueue.length == 0)
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throw new Error('Out of private keys');
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else {
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var privKey = privKeyQueue.shift();
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return axolotl.crypto.createKeyPair(privKey).then(function(keyPair) {
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var a = btoa(getString(keyPair.privKey)); var b = btoa(getString(privKey));
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if (getString(keyPair.privKey) != getString(privKey))
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throw new Error('Failed to rederive private key!');
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else
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return keyPair;
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});
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}
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}
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var deviceObject = {encodedNumber: "SNOWDEN.1"};
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var step = 0;
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var doStep = function() {
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var data = v[step][1];
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switch(v[step++][0]) {
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case "receiveMessage":
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var postLocalKeySetup = function() {
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if (data.newEphemeralKey !== undefined)
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privKeyQueue.push(data.newEphemeralKey);
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try {
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var checkResult = function(res) {
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res = textsecure.protobuf.PushMessageContent.decode(res[0]);
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//TODO: Handle END_SESSION here (just like libtextsecure.protocol_wrapper
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if (data.expectTerminateSession)
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return res.flags == textsecure.protobuf.PushMessageContent.Flags.END_SESSION;
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return res.body == data.expectedSmsText;
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}
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var checkException = function(e) {
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if (data.expectException)
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return true;
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throw e;
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}
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if (data.type == textsecure.protobuf.IncomingPushMessageSignal.Type.CIPHERTEXT)
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return axolotl.protocol.decryptWhisperMessage("SNOWDEN.1", getString(data.message)).then(checkResult).catch(checkException);
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else if (data.type == textsecure.protobuf.IncomingPushMessageSignal.Type.PREKEY_BUNDLE) {
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if (getString(data.message).charCodeAt(0) != ((3 << 4) | 3))
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throw new Error("Bad version byte");
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return axolotl.protocol.handlePreKeyWhisperMessage("SNOWDEN.1", getString(data.message).substring(1)).then(checkResult).catch(checkException);
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} else
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return Promise.reject(new Error("Unknown data type in test vector"));
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} catch(e) {
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if (data.expectException)
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return Promise.resolve(true);
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throw e;
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}
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}
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if (data.ourIdentityKey !== undefined)
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return axolotl.crypto.createKeyPair(data.ourIdentityKey).then(function(keyPair) {
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axolotl.api.storage.put("25519KeyidentityKey", keyPair);
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return axolotl.crypto.createKeyPair(data.ourSignedPreKey).then(function(keyPair) {
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axolotl.api.storage.put("25519KeysignedKey" + data.signedPreKeyId, keyPair);
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if (data.ourPreKey !== undefined)
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return axolotl.crypto.createKeyPair(data.ourPreKey).then(function(keyPair) {
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axolotl.api.storage.put("25519KeypreKey" + data.preKeyId, keyPair);
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return postLocalKeySetup();
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});
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else
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return postLocalKeySetup();
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});
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});
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else
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return postLocalKeySetup();
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case "sendMessage":
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var postLocalKeySetup = function() {
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if (data.registrationId !== undefined)
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window.myRegistrationId = data.registrationId;
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if (data.getKeys !== undefined) {
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deviceObject = {encodedNumber: "SNOWDEN.1",
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identityKey: data.getKeys.identityKey,
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preKey: data.getKeys.devices[0].preKey.publicKey,
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preKeyId: data.getKeys.devices[0].preKey.keyId,
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signedKey: data.getKeys.devices[0].signedPreKey.publicKey,
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signedKeyId: data.getKeys.devices[0].signedPreKey.keyId,
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signedKeySignature: data.getKeys.devices[0].signedPreKey.signature,
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registrationId: data.getKeys.devices[0].signedPreKey.keyId
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};
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}
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var checkMessage = function(msg) {
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//XXX: This should be all we do: isEqual(data.expectedCiphertext, encryptedMsg, false);
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var encryptedMsg = msg.body;
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if (msg.type == 1) {
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var expected = getString(data.expectedCiphertext);
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var decoded = axolotl.protobuf.WhisperMessage.decode(expected.substring(1, expected.length - 8), 'binary');
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var result = getString(encryptedMsg);
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return getString(decoded.encode()) == result.substring(1, result.length - 8);
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} else {
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var decoded = axolotl.protobuf.PreKeyWhisperMessage.decode(getString(data.expectedCiphertext).substr(1), 'binary');
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var result = getString(encryptedMsg).substring(1);
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return getString(decoded.encode()) == result;
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}
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}
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var proto = new textsecure.protobuf.PushMessageContent();
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if (data.endSession) {
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proto.flags = textsecure.protobuf.PushMessageContent.Flags.END_SESSION;
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proto.body = "TERMINATE";
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} else
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proto.body = data.smsText;
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return axolotl.protocol.encryptMessageFor(deviceObject, proto).then(checkMessage)
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.then(function(res) {
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if (data.endSession)
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axolotl.protocol.closeOpenSessionForDevice("SNOWDEN.1");
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return res;
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});
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}
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if (data.ourBaseKey !== undefined)
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privKeyQueue.push(data.ourBaseKey);
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if (data.ourEphemeralKey !== undefined)
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privKeyQueue.push(data.ourEphemeralKey);
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if (data.ourIdentityKey !== undefined)
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return axolotl.crypto.createKeyPair(data.ourIdentityKey).then(function(keyPair) {
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axolotl.api.storage.put("25519KeyidentityKey", keyPair);
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return postLocalKeySetup();
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});
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else
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return postLocalKeySetup();
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default:
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return Promise.resolve(false);
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}
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}
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return doStep().then(stepDone);
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};
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describe("test vectors", function() {
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function defineTest(i) {
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it(axolotlTestVectors[i].name, function(done) {
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localStorage.clear();
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testSessionMap = {};
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testIdentityKeysMap = {};
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return runAxolotlTest(axolotlTestVectors[i].vectors).then(function(res) {
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assert(res);
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}).then(done).catch(done);
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});
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}
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for (var i in axolotlTestVectors)
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defineTest(i);
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});
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});
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});
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