Richard van der Hoff
GitHub
commit
90b3613053
32 changed files with 2687 additions and 2 deletions
23
.gitignore
vendored
23
.gitignore
vendored
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@ -5,4 +5,25 @@
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/docs/signing.html
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/olm-*.tgz
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/README.html
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/tracing/README.html
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/tracing/README.html
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# Xcode
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build/
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DerivedData/
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*.pbxuser
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!default.pbxuser
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*.mode1v3
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!default.mode1v3
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*.mode2v3
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!default.mode2v3
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*.perspectivev3
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!default.perspectivev3
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xcuserdata/
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*.moved-aside
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*.xcuserstate
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*.hmap
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*.ipa
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*.dSYM.zip
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*.dSYM
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Pods/
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*.xcworkspace
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@ -1,3 +1,10 @@
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Changes in `2.0.1 <http://matrix.org/git/olm/commit/?h=2.0.1>`_
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===============================================================
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This release includes the following changes since 2.0.0
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* Add OLMKit, the Objective-C wrapper.
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Changes in `2.0.0 <http://matrix.org/git/olm/commit/?h=2.0.0>`_
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===============================================================
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2
Makefile
2
Makefile
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@ -2,7 +2,7 @@
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MAJOR := 2
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MINOR := 0
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PATCH := 0
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PATCH := 1
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VERSION := $(MAJOR).$(MINOR).$(PATCH)
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PREFIX ?= /usr/local
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BUILD_DIR := build
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61
OLMKit.podspec
Normal file
61
OLMKit.podspec
Normal file
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@ -0,0 +1,61 @@
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Pod::Spec.new do |s|
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# The libolm version
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MAJOR = 2
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MINOR = 0
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PATCH = 1
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s.name = "OLMKit"
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s.version = "#{MAJOR}.#{MINOR}.#{PATCH}"
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s.summary = "An Objective-C wrapper of olm (http://matrix.org/git/olm)"
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s.description = <<-DESC
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olm is an implementation of the Double Ratchet cryptographic ratchet in C++
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DESC
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s.homepage = "http://matrix.org/git/olm"
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s.license = { :type => "Apache License, Version 2.0", :file => "LICENSE" }
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s.authors = { "Chris Ballinger" => "chrisballinger@gmail.com",
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"matrix.org" => "support@matrix.org" }
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s.platform = :ios, "5.0"
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# Expose the Objective-C wrapper API of libolm
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s.public_header_files = "xcode/OLMKit/*.h"
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s.source = {
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:git => "https://matrix.org/git/olm.git",
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:tag => s.version.to_s
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}
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s.source_files = "xcode/OLMKit/*.{h,m}", "include/**/*.{h,hh}", "src/*.{c,cpp}", "lib/crypto-algorithms/sha256.c", "lib/crypto-algorithms/aes.c", "lib/curve25519-donna/curve25519-donna.c"
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# Those files (including .c) are included by ed25519.c. We do not want to compile them twice
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s.preserve_paths = "lib/ed25519/**/*.{h,c}"
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s.library = "c++"
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# Use the same compiler options for C and C++ as olm/Makefile
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s.compiler_flags = "-g -O3 -DOLMLIB_VERSION_MAJOR=#{MAJOR} -DOLMLIB_VERSION_MINOR=#{MINOR} -DOLMLIB_VERSION_PATCH=#{PATCH}"
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# For headers search paths, manage first the normal installation. Then, use paths used
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# when the pod is local
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s.xcconfig = {
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'USER_HEADER_SEARCH_PATHS' =>"${PODS_ROOT}/OLMKit/include ${PODS_ROOT}/OLMKit/lib #{File.join(File.dirname(__FILE__), 'include')} #{File.join(File.dirname(__FILE__), 'lib')}"
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}
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s.subspec 'olmc' do |olmc|
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olmc.source_files = "src/*.{c}", "lib/curve25519-donna.h", "lib/crypto-algorithms/sha256.{h,c}", "lib/crypto-algorithms/aes.{h,c}", "lib/curve25519-donna/curve25519-donna.c"
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olmc.compiler_flags = ' -std=c99 -fPIC'
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end
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s.subspec 'olmcpp' do |olmcpp|
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olmcpp.source_files = "src/*.{cpp}"
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olmcpp.compiler_flags = ' -std=c++11 -fPIC'
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end
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end
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16
README.rst
16
README.rst
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@ -33,6 +33,14 @@ To build the javascript bindings, install emscripten from http://kripken.github.
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make js
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To build the Xcode workspace for Objective-C bindings, run:
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.. code:: bash
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cd xcode
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pod install
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open OLMKit.xcworkspace
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Release process
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---------------
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@ -50,6 +58,14 @@ Release process
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git tag $VERSION -s
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git push --tags
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# OLMKit CocoaPod release
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# Make sure the version OLMKit.podspec is the same as the git tag
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# (this must be checked before git tagging)
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pod spec lint OLMKit.podspec --use-libraries --allow-warnings
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pod trunk push OLMKit.podspec --use-libraries --allow-warnings
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# Check the pod has been successully published with:
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pod search OLMKit
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It's probably sensible to do the above on a release branch (``release-vx.y.z``
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by convention), and merge back to master once complete.
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@ -21,6 +21,7 @@
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#include "aes.h"
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#include <stdio.h>
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#include <string.h>
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/****************************** MACROS ******************************/
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// The least significant byte of the word is rotated to the end.
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@ -15,6 +15,7 @@
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/*************************** HEADER FILES ***************************/
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#include <stdlib.h>
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#include <memory.h>
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#include <string.h>
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#include "sha256.h"
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/****************************** MACROS ******************************/
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528
xcode/OLMKit.xcodeproj/project.pbxproj
Normal file
528
xcode/OLMKit.xcodeproj/project.pbxproj
Normal file
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@ -0,0 +1,528 @@
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// !$*UTF8*$!
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{
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||||
archiveVersion = 1;
|
||||
classes = {
|
||||
};
|
||||
objectVersion = 46;
|
||||
objects = {
|
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|
||||
/* Begin PBXBuildFile section */
|
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|
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proxyType = 1;
|
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|
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remoteInfo = OLMKit;
|
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|
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26
xcode/OLMKit/Info.plist
Normal file
26
xcode/OLMKit/Info.plist
Normal file
|
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@ -0,0 +1,26 @@
|
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<?xml version="1.0" encoding="UTF-8"?>
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<key>CFBundleIdentifier</key>
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<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
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<key>CFBundleInfoDictionaryVersion</key>
|
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<string>6.0</string>
|
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<key>CFBundleName</key>
|
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<string>$(PRODUCT_NAME)</string>
|
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<key>CFBundlePackageType</key>
|
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<string>FMWK</string>
|
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<key>CFBundleShortVersionString</key>
|
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<string>1.0</string>
|
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<key>CFBundleSignature</key>
|
||||
<string>????</string>
|
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<key>CFBundleVersion</key>
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|
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<key>NSPrincipalClass</key>
|
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|
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|
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51
xcode/OLMKit/OLMAccount.h
Normal file
51
xcode/OLMKit/OLMAccount.h
Normal file
|
|
@ -0,0 +1,51 @@
|
|||
/*
|
||||
Copyright 2016 Chris Ballinger
|
||||
Copyright 2016 OpenMarket Ltd
|
||||
Copyright 2016 Vector Creations Ltd
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
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you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
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distributed under the License is distributed on an "AS IS" BASIS,
|
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
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*/
|
||||
|
||||
#import <Foundation/Foundation.h>
|
||||
#import "OLMSerializable.h"
|
||||
|
||||
@class OLMSession;
|
||||
|
||||
@interface OLMAccount : NSObject <OLMSerializable, NSSecureCoding>
|
||||
|
||||
/** Creates new account */
|
||||
- (instancetype) initNewAccount;
|
||||
|
||||
/** public identity keys. base64 encoded in "curve25519" and "ed25519" keys */
|
||||
- (NSDictionary*) identityKeys;
|
||||
|
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/** signs message with ed25519 key for account */
|
||||
- (NSString*) signMessage:(NSData*)messageData;
|
||||
|
||||
/** Public parts of the unpublished one time keys for the account */
|
||||
- (NSDictionary*) oneTimeKeys;
|
||||
|
||||
- (BOOL) removeOneTimeKeysForSession:(OLMSession*)session;
|
||||
|
||||
/** Marks the current set of one time keys as being published. */
|
||||
- (void) markOneTimeKeysAsPublished;
|
||||
|
||||
/** The largest number of one time keys this account can store. */
|
||||
- (NSUInteger) maxOneTimeKeys;
|
||||
|
||||
/** Generates a number of new one time keys. If the total number of keys stored
|
||||
* by this account exceeds -maxOneTimeKeys then the old keys are
|
||||
* discarded. */
|
||||
- (void) generateOneTimeKeys:(NSUInteger)numberOfKeys;
|
||||
|
||||
@end
|
||||
265
xcode/OLMKit/OLMAccount.m
Normal file
265
xcode/OLMKit/OLMAccount.m
Normal file
|
|
@ -0,0 +1,265 @@
|
|||
/*
|
||||
Copyright 2016 Chris Ballinger
|
||||
Copyright 2016 OpenMarket Ltd
|
||||
Copyright 2016 Vector Creations Ltd
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
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you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
#import "OLMAccount.h"
|
||||
#import "OLMAccount_Private.h"
|
||||
#import "OLMSession.h"
|
||||
#import "OLMSession_Private.h"
|
||||
#import "OLMUtility.h"
|
||||
|
||||
@import Security;
|
||||
|
||||
@implementation OLMAccount
|
||||
|
||||
- (void) dealloc {
|
||||
olm_clear_account(_account);
|
||||
free(_account);
|
||||
}
|
||||
|
||||
- (BOOL) initializeAccountMemory {
|
||||
size_t accountSize = olm_account_size();
|
||||
_account = malloc(accountSize);
|
||||
NSParameterAssert(_account != nil);
|
||||
if (!_account) {
|
||||
return NO;
|
||||
}
|
||||
_account = olm_account(_account);
|
||||
NSParameterAssert(_account != nil);
|
||||
if (!_account) {
|
||||
return NO;
|
||||
}
|
||||
return YES;
|
||||
}
|
||||
|
||||
- (instancetype) init {
|
||||
self = [super init];
|
||||
if (!self) {
|
||||
return nil;
|
||||
}
|
||||
BOOL success = [self initializeAccountMemory];
|
||||
if (!success) {
|
||||
return nil;
|
||||
}
|
||||
return self;
|
||||
}
|
||||
|
||||
- (instancetype) initNewAccount {
|
||||
self = [self init];
|
||||
if (!self) {
|
||||
return nil;
|
||||
}
|
||||
size_t randomLength = olm_create_account_random_length(_account);
|
||||
NSMutableData *random = [OLMUtility randomBytesOfLength:randomLength];
|
||||
size_t accountResult = olm_create_account(_account, random.mutableBytes, random.length);
|
||||
[random resetBytesInRange:NSMakeRange(0, random.length)];
|
||||
if (accountResult == olm_error()) {
|
||||
const char *error = olm_account_last_error(_account);
|
||||
NSLog(@"error creating account: %s", error);
|
||||
return nil;
|
||||
}
|
||||
return self;
|
||||
}
|
||||
|
||||
- (NSUInteger) maxOneTimeKeys {
|
||||
return olm_account_max_number_of_one_time_keys(_account);
|
||||
}
|
||||
|
||||
|
||||
/** public identity keys */
|
||||
- (NSDictionary*) identityKeys {
|
||||
size_t identityKeysLength = olm_account_identity_keys_length(_account);
|
||||
uint8_t *identityKeysBytes = malloc(identityKeysLength);
|
||||
if (!identityKeysBytes) {
|
||||
return nil;
|
||||
}
|
||||
size_t result = olm_account_identity_keys(_account, identityKeysBytes, identityKeysLength);
|
||||
if (result == olm_error()) {
|
||||
const char *error = olm_account_last_error(_account);
|
||||
NSLog(@"error getting id keys: %s", error);
|
||||
free(identityKeysBytes);
|
||||
return nil;
|
||||
}
|
||||
NSData *idKeyData = [NSData dataWithBytesNoCopy:identityKeysBytes length:identityKeysLength freeWhenDone:YES];
|
||||
NSError *error = nil;
|
||||
NSDictionary *keysDictionary = [NSJSONSerialization JSONObjectWithData:idKeyData options:0 error:&error];
|
||||
if (error) {
|
||||
NSLog(@"Could not decode JSON: %@", error.localizedDescription);
|
||||
}
|
||||
return keysDictionary;
|
||||
}
|
||||
|
||||
- (NSString *)signMessage:(NSData *)messageData {
|
||||
size_t signatureLength = olm_account_signature_length(_account);
|
||||
uint8_t *signatureBytes = malloc(signatureLength);
|
||||
if (!signatureBytes) {
|
||||
return nil;
|
||||
}
|
||||
|
||||
size_t result = olm_account_sign(_account, messageData.bytes, messageData.length, signatureBytes, signatureLength);
|
||||
if (result == olm_error()) {
|
||||
const char *error = olm_account_last_error(_account);
|
||||
NSLog(@"error signing message: %s", error);
|
||||
free(signatureBytes);
|
||||
return nil;
|
||||
}
|
||||
|
||||
NSData *signatureData = [NSData dataWithBytesNoCopy:signatureBytes length:signatureLength freeWhenDone:YES];
|
||||
return [[NSString alloc] initWithData:signatureData encoding:NSUTF8StringEncoding];
|
||||
}
|
||||
|
||||
- (NSDictionary*) oneTimeKeys {
|
||||
size_t otkLength = olm_account_one_time_keys_length(_account);
|
||||
uint8_t *otkBytes = malloc(otkLength);
|
||||
if (!otkBytes) {
|
||||
return nil;
|
||||
}
|
||||
size_t result = olm_account_one_time_keys(_account, otkBytes, otkLength);
|
||||
if (result == olm_error()) {
|
||||
const char *error = olm_account_last_error(_account);
|
||||
NSLog(@"error getting id keys: %s", error);
|
||||
free(otkBytes);
|
||||
}
|
||||
NSData *otk = [NSData dataWithBytesNoCopy:otkBytes length:otkLength freeWhenDone:YES];
|
||||
NSError *error = nil;
|
||||
NSDictionary *keysDictionary = [NSJSONSerialization JSONObjectWithData:otk options:0 error:&error];
|
||||
if (error) {
|
||||
NSLog(@"Could not decode JSON: %@", error.localizedDescription);
|
||||
}
|
||||
return keysDictionary;
|
||||
}
|
||||
|
||||
|
||||
- (void) generateOneTimeKeys:(NSUInteger)numberOfKeys {
|
||||
size_t randomLength = olm_account_generate_one_time_keys_random_length(_account, numberOfKeys);
|
||||
NSMutableData *random = [OLMUtility randomBytesOfLength:randomLength];
|
||||
size_t result = olm_account_generate_one_time_keys(_account, numberOfKeys, random.mutableBytes, random.length);
|
||||
[random resetBytesInRange:NSMakeRange(0, random.length)];
|
||||
if (result == olm_error()) {
|
||||
const char *error = olm_account_last_error(_account);
|
||||
NSLog(@"error generating keys: %s", error);
|
||||
}
|
||||
}
|
||||
|
||||
- (BOOL) removeOneTimeKeysForSession:(OLMSession *)session {
|
||||
NSParameterAssert(session != nil);
|
||||
if (!session) {
|
||||
return NO;
|
||||
}
|
||||
size_t result = olm_remove_one_time_keys(self.account, session.session);
|
||||
if (result == olm_error()) {
|
||||
const char *error = olm_account_last_error(_account);
|
||||
NSLog(@"olm_remove_one_time_keys error: %s", error);
|
||||
return NO;
|
||||
}
|
||||
return YES;
|
||||
}
|
||||
|
||||
- (void)markOneTimeKeysAsPublished
|
||||
{
|
||||
olm_account_mark_keys_as_published(self.account);
|
||||
}
|
||||
|
||||
#pragma mark OLMSerializable
|
||||
|
||||
/** Initializes from encrypted serialized data. Will throw error if invalid key or invalid base64. */
|
||||
- (instancetype) initWithSerializedData:(NSString*)serializedData key:(NSData*)key error:(NSError**)error {
|
||||
self = [self init];
|
||||
if (!self) {
|
||||
return nil;
|
||||
}
|
||||
NSParameterAssert(key.length > 0);
|
||||
NSParameterAssert(serializedData.length > 0);
|
||||
if (key.length == 0 || serializedData.length == 0) {
|
||||
if (error) {
|
||||
*error = [NSError errorWithDomain:OLMErrorDomain code:0 userInfo:@{NSLocalizedDescriptionKey: @"Bad length."}];
|
||||
}
|
||||
return nil;
|
||||
}
|
||||
NSMutableData *pickle = [serializedData dataUsingEncoding:NSUTF8StringEncoding].mutableCopy;
|
||||
size_t result = olm_unpickle_account(_account, key.bytes, key.length, pickle.mutableBytes, pickle.length);
|
||||
if (result == olm_error()) {
|
||||
const char *olm_error = olm_account_last_error(_account);
|
||||
NSString *errorString = [NSString stringWithUTF8String:olm_error];
|
||||
if (error && errorString) {
|
||||
*error = [NSError errorWithDomain:OLMErrorDomain code:0 userInfo:@{NSLocalizedDescriptionKey: errorString}];
|
||||
}
|
||||
return nil;
|
||||
}
|
||||
return self;
|
||||
}
|
||||
|
||||
/** Serializes and encrypts object data, outputs base64 blob */
|
||||
- (NSString*) serializeDataWithKey:(NSData*)key error:(NSError**)error {
|
||||
NSParameterAssert(key.length > 0);
|
||||
size_t length = olm_pickle_account_length(_account);
|
||||
NSMutableData *pickled = [NSMutableData dataWithLength:length];
|
||||
size_t result = olm_pickle_account(_account, key.bytes, key.length, pickled.mutableBytes, pickled.length);
|
||||
if (result == olm_error()) {
|
||||
const char *olm_error = olm_account_last_error(_account);
|
||||
NSString *errorString = [NSString stringWithUTF8String:olm_error];
|
||||
if (error && errorString) {
|
||||
*error = [NSError errorWithDomain:OLMErrorDomain code:0 userInfo:@{NSLocalizedDescriptionKey: errorString}];
|
||||
}
|
||||
return nil;
|
||||
}
|
||||
NSString *pickleString = [[NSString alloc] initWithData:pickled encoding:NSUTF8StringEncoding];
|
||||
return pickleString;
|
||||
}
|
||||
|
||||
#pragma mark NSSecureCoding
|
||||
|
||||
+ (BOOL) supportsSecureCoding {
|
||||
return YES;
|
||||
}
|
||||
|
||||
#pragma mark NSCoding
|
||||
|
||||
- (id)initWithCoder:(NSCoder *)decoder {
|
||||
NSString *version = [decoder decodeObjectOfClass:[NSString class] forKey:@"version"];
|
||||
|
||||
NSError *error = nil;
|
||||
|
||||
if ([version isEqualToString:@"1"]) {
|
||||
NSString *pickle = [decoder decodeObjectOfClass:[NSString class] forKey:@"pickle"];
|
||||
NSData *key = [decoder decodeObjectOfClass:[NSData class] forKey:@"key"];
|
||||
|
||||
self = [self initWithSerializedData:pickle key:key error:&error];
|
||||
}
|
||||
|
||||
NSParameterAssert(error == nil);
|
||||
NSParameterAssert(self != nil);
|
||||
if (!self) {
|
||||
return nil;
|
||||
}
|
||||
|
||||
return self;
|
||||
}
|
||||
|
||||
- (void)encodeWithCoder:(NSCoder *)encoder {
|
||||
NSData *key = [OLMUtility randomBytesOfLength:32];
|
||||
NSError *error = nil;
|
||||
NSString *pickle = [self serializeDataWithKey:key error:&error];
|
||||
NSParameterAssert(pickle.length > 0 && error == nil);
|
||||
|
||||
[encoder encodeObject:pickle forKey:@"pickle"];
|
||||
[encoder encodeObject:key forKey:@"key"];
|
||||
[encoder encodeObject:@"1" forKey:@"version"];
|
||||
}
|
||||
|
||||
|
||||
@end
|
||||
25
xcode/OLMKit/OLMAccount_Private.h
Normal file
25
xcode/OLMKit/OLMAccount_Private.h
Normal file
|
|
@ -0,0 +1,25 @@
|
|||
/*
|
||||
Copyright 2016 Chris Ballinger
|
||||
Copyright 2016 OpenMarket Ltd
|
||||
Copyright 2016 Vector Creations Ltd
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
#include "olm/olm.h"
|
||||
|
||||
@interface OLMAccount()
|
||||
|
||||
@property (nonatomic) OlmAccount *account;
|
||||
|
||||
@end
|
||||
30
xcode/OLMKit/OLMInboundGroupSession.h
Normal file
30
xcode/OLMKit/OLMInboundGroupSession.h
Normal file
|
|
@ -0,0 +1,30 @@
|
|||
/*
|
||||
Copyright 2016 OpenMarket Ltd
|
||||
Copyright 2016 Vector Creations Ltd
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
#import <Foundation/Foundation.h>
|
||||
#import "OLMSerializable.h"
|
||||
|
||||
@interface OLMInboundGroupSession : NSObject <OLMSerializable, NSSecureCoding>
|
||||
|
||||
- (instancetype) initInboundGroupSessionWithSessionKey:(NSString*)sessionKey error:(NSError**)error;
|
||||
|
||||
- (NSString*)sessionIdentifier;
|
||||
|
||||
/** base64 ciphertext -> UTF-8 plaintext */
|
||||
- (NSString*)decryptMessage:(NSString*)message messageIndex:(NSUInteger*)messageIndex error:(NSError**)error;
|
||||
|
||||
@end
|
||||
244
xcode/OLMKit/OLMInboundGroupSession.m
Normal file
244
xcode/OLMKit/OLMInboundGroupSession.m
Normal file
|
|
@ -0,0 +1,244 @@
|
|||
/*
|
||||
Copyright 2016 OpenMarket Ltd
|
||||
Copyright 2016 Vector Creations Ltd
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
#import "OLMInboundGroupSession.h"
|
||||
|
||||
#import "OLMUtility.h"
|
||||
#include "olm/olm.h"
|
||||
|
||||
@interface OLMInboundGroupSession ()
|
||||
{
|
||||
OlmInboundGroupSession *session;
|
||||
}
|
||||
@end
|
||||
|
||||
|
||||
@implementation OLMInboundGroupSession
|
||||
|
||||
- (void)dealloc {
|
||||
olm_clear_inbound_group_session(session);
|
||||
free(session);
|
||||
}
|
||||
|
||||
- (instancetype)init {
|
||||
self = [super init];
|
||||
if (self)
|
||||
{
|
||||
session = malloc(olm_inbound_group_session_size());
|
||||
if (session) {
|
||||
session = olm_inbound_group_session(session);
|
||||
}
|
||||
|
||||
if (!session) {
|
||||
return nil;
|
||||
}
|
||||
}
|
||||
return self;
|
||||
}
|
||||
|
||||
- (instancetype)initInboundGroupSessionWithSessionKey:(NSString *)sessionKey error:(NSError**)error {
|
||||
self = [self init];
|
||||
if (self) {
|
||||
NSData *sessionKeyData = [sessionKey dataUsingEncoding:NSUTF8StringEncoding];
|
||||
size_t result = olm_init_inbound_group_session(session, sessionKeyData.bytes, sessionKeyData.length);
|
||||
if (result == olm_error()) {
|
||||
const char *olm_error = olm_inbound_group_session_last_error(session);
|
||||
|
||||
NSString *errorString = [NSString stringWithUTF8String:olm_error];
|
||||
NSLog(@"olm_init_inbound_group_session error: %@", errorString);
|
||||
|
||||
if (error && olm_error && errorString) {
|
||||
*error = [NSError errorWithDomain:OLMErrorDomain
|
||||
code:0
|
||||
userInfo:@{
|
||||
NSLocalizedDescriptionKey: errorString,
|
||||
NSLocalizedFailureReasonErrorKey: [NSString stringWithFormat:@"olm_init_inbound_group_session error: %@", errorString]
|
||||
}];
|
||||
}
|
||||
|
||||
return nil;
|
||||
}
|
||||
}
|
||||
return self;
|
||||
}
|
||||
|
||||
- (NSString *)sessionIdentifier {
|
||||
size_t length = olm_inbound_group_session_id_length(session);
|
||||
NSMutableData *idData = [NSMutableData dataWithLength:length];
|
||||
if (!idData) {
|
||||
return nil;
|
||||
}
|
||||
size_t result = olm_inbound_group_session_id(session, idData.mutableBytes, idData.length);
|
||||
if (result == olm_error()) {
|
||||
const char *error = olm_inbound_group_session_last_error(session);
|
||||
NSLog(@"olm_inbound_group_session_id error: %s", error);
|
||||
return nil;
|
||||
}
|
||||
NSString *idString = [[NSString alloc] initWithData:idData encoding:NSUTF8StringEncoding];
|
||||
return idString;
|
||||
}
|
||||
|
||||
- (NSString *)decryptMessage:(NSString *)message messageIndex:(NSUInteger*)messageIndex error:(NSError**)error
|
||||
{
|
||||
NSParameterAssert(message != nil);
|
||||
NSData *messageData = [message dataUsingEncoding:NSUTF8StringEncoding];
|
||||
if (!messageData) {
|
||||
return nil;
|
||||
}
|
||||
NSMutableData *mutMessage = messageData.mutableCopy;
|
||||
size_t maxPlaintextLength = olm_group_decrypt_max_plaintext_length(session, mutMessage.mutableBytes, mutMessage.length);
|
||||
if (maxPlaintextLength == olm_error()) {
|
||||
const char *olm_error = olm_inbound_group_session_last_error(session);
|
||||
|
||||
NSString *errorString = [NSString stringWithUTF8String:olm_error];
|
||||
NSLog(@"olm_group_decrypt_max_plaintext_length error: %@", errorString);
|
||||
|
||||
if (error && olm_error && errorString) {
|
||||
*error = [NSError errorWithDomain:OLMErrorDomain
|
||||
code:0
|
||||
userInfo:@{
|
||||
NSLocalizedDescriptionKey: errorString,
|
||||
NSLocalizedFailureReasonErrorKey: [NSString stringWithFormat:@"olm_group_decrypt_max_plaintext_length error: %@", errorString]
|
||||
}];
|
||||
}
|
||||
|
||||
return nil;
|
||||
}
|
||||
// message buffer is destroyed by olm_group_decrypt_max_plaintext_length
|
||||
mutMessage = messageData.mutableCopy;
|
||||
NSMutableData *plaintextData = [NSMutableData dataWithLength:maxPlaintextLength];
|
||||
|
||||
uint32_t message_index;
|
||||
size_t plaintextLength = olm_group_decrypt(session, mutMessage.mutableBytes, mutMessage.length, plaintextData.mutableBytes, plaintextData.length, &message_index);
|
||||
if (plaintextLength == olm_error()) {
|
||||
const char *olm_error = olm_inbound_group_session_last_error(session);
|
||||
|
||||
NSString *errorString = [NSString stringWithUTF8String:olm_error];
|
||||
NSLog(@"olm_group_decrypt error: %@", errorString);
|
||||
|
||||
if (error && olm_error && errorString) {
|
||||
*error = [NSError errorWithDomain:OLMErrorDomain
|
||||
code:0
|
||||
userInfo:@{
|
||||
NSLocalizedDescriptionKey: errorString,
|
||||
NSLocalizedFailureReasonErrorKey: [NSString stringWithFormat:@"olm_group_decrypt error: %@", errorString]
|
||||
}];
|
||||
}
|
||||
|
||||
return nil;
|
||||
}
|
||||
plaintextData.length = plaintextLength;
|
||||
NSString *plaintext = [[NSString alloc] initWithData:plaintextData encoding:NSUTF8StringEncoding];
|
||||
[plaintextData resetBytesInRange:NSMakeRange(0, plaintextData.length)];
|
||||
|
||||
if (messageIndex)
|
||||
{
|
||||
*messageIndex = message_index;
|
||||
}
|
||||
|
||||
return plaintext;
|
||||
}
|
||||
|
||||
|
||||
#pragma mark OLMSerializable
|
||||
|
||||
/** Initializes from encrypted serialized data. Will throw error if invalid key or invalid base64. */
|
||||
- (instancetype) initWithSerializedData:(NSString *)serializedData key:(NSData *)key error:(NSError *__autoreleasing *)error {
|
||||
self = [self init];
|
||||
if (!self) {
|
||||
return nil;
|
||||
}
|
||||
NSParameterAssert(key.length > 0);
|
||||
NSParameterAssert(serializedData.length > 0);
|
||||
if (key.length == 0 || serializedData.length == 0) {
|
||||
if (error) {
|
||||
*error = [NSError errorWithDomain:OLMErrorDomain code:0 userInfo:@{NSLocalizedDescriptionKey: @"Bad length."}];
|
||||
}
|
||||
return nil;
|
||||
}
|
||||
NSMutableData *pickle = [serializedData dataUsingEncoding:NSUTF8StringEncoding].mutableCopy;
|
||||
size_t result = olm_unpickle_inbound_group_session(session, key.bytes, key.length, pickle.mutableBytes, pickle.length);
|
||||
if (result == olm_error()) {
|
||||
const char *olm_error = olm_inbound_group_session_last_error(session);
|
||||
NSString *errorString = [NSString stringWithUTF8String:olm_error];
|
||||
if (error && errorString) {
|
||||
*error = [NSError errorWithDomain:OLMErrorDomain code:0 userInfo:@{NSLocalizedDescriptionKey: errorString}];
|
||||
}
|
||||
return nil;
|
||||
}
|
||||
return self;
|
||||
}
|
||||
|
||||
/** Serializes and encrypts object data, outputs base64 blob */
|
||||
- (NSString*) serializeDataWithKey:(NSData*)key error:(NSError**)error {
|
||||
NSParameterAssert(key.length > 0);
|
||||
size_t length = olm_pickle_inbound_group_session_length(session);
|
||||
NSMutableData *pickled = [NSMutableData dataWithLength:length];
|
||||
size_t result = olm_pickle_inbound_group_session(session, key.bytes, key.length, pickled.mutableBytes, pickled.length);
|
||||
if (result == olm_error()) {
|
||||
const char *olm_error = olm_inbound_group_session_last_error(session);
|
||||
NSString *errorString = [NSString stringWithUTF8String:olm_error];
|
||||
if (error && errorString) {
|
||||
*error = [NSError errorWithDomain:OLMErrorDomain code:0 userInfo:@{NSLocalizedDescriptionKey: errorString}];
|
||||
}
|
||||
return nil;
|
||||
}
|
||||
NSString *pickleString = [[NSString alloc] initWithData:pickled encoding:NSUTF8StringEncoding];
|
||||
return pickleString;
|
||||
}
|
||||
|
||||
#pragma mark NSSecureCoding
|
||||
|
||||
+ (BOOL) supportsSecureCoding {
|
||||
return YES;
|
||||
}
|
||||
|
||||
#pragma mark NSCoding
|
||||
|
||||
- (id)initWithCoder:(NSCoder *)decoder {
|
||||
NSString *version = [decoder decodeObjectOfClass:[NSString class] forKey:@"version"];
|
||||
|
||||
NSError *error = nil;
|
||||
|
||||
if ([version isEqualToString:@"1"]) {
|
||||
NSString *pickle = [decoder decodeObjectOfClass:[NSString class] forKey:@"pickle"];
|
||||
NSData *key = [decoder decodeObjectOfClass:[NSData class] forKey:@"key"];
|
||||
|
||||
self = [self initWithSerializedData:pickle key:key error:&error];
|
||||
}
|
||||
|
||||
NSParameterAssert(error == nil);
|
||||
NSParameterAssert(self != nil);
|
||||
if (!self) {
|
||||
return nil;
|
||||
}
|
||||
|
||||
return self;
|
||||
}
|
||||
|
||||
- (void)encodeWithCoder:(NSCoder *)encoder {
|
||||
NSData *key = [OLMUtility randomBytesOfLength:32];
|
||||
NSError *error = nil;
|
||||
NSString *pickle = [self serializeDataWithKey:key error:&error];
|
||||
NSParameterAssert(pickle.length > 0 && error == nil);
|
||||
|
||||
[encoder encodeObject:pickle forKey:@"pickle"];
|
||||
[encoder encodeObject:key forKey:@"key"];
|
||||
[encoder encodeObject:@"1" forKey:@"version"];
|
||||
}
|
||||
|
||||
@end
|
||||
31
xcode/OLMKit/OLMKit.h
Normal file
31
xcode/OLMKit/OLMKit.h
Normal file
|
|
@ -0,0 +1,31 @@
|
|||
/*
|
||||
Copyright 2016 Chris Ballinger
|
||||
Copyright 2016 OpenMarket Ltd
|
||||
Copyright 2016 Vector Creations Ltd
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
#import <UIKit/UIKit.h>
|
||||
|
||||
//! Project version string for OLMKit, the same as libolm.
|
||||
NSString *OLMKitVersionString();
|
||||
|
||||
// In this header, you should import all the public headers of your framework using statements like #import <OLMKit/PublicHeader.h>
|
||||
|
||||
#import <OLMKit/OLMAccount.h>
|
||||
#import <OLMKit/OLMSession.h>
|
||||
#import <OLMKit/OLMMessage.h>
|
||||
#import <OLMKit/OLMUtility.h>
|
||||
#import <OLMKit/OLMInboundGroupSession.h>
|
||||
#import <OLMKit/OLMOutboundGroupSession.h>
|
||||
29
xcode/OLMKit/OLMKit.m
Normal file
29
xcode/OLMKit/OLMKit.m
Normal file
|
|
@ -0,0 +1,29 @@
|
|||
/*
|
||||
Copyright 2016 OpenMarket Ltd
|
||||
Copyright 2016 Vector Creations Ltd
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
#import "OLMKit.h"
|
||||
|
||||
#include "olm/olm.h"
|
||||
|
||||
NSString *OLMKitVersionString()
|
||||
{
|
||||
uint8_t major, minor, patch;
|
||||
|
||||
olm_get_library_version(&major, &minor, &patch);
|
||||
|
||||
return [NSString stringWithFormat:@"%tu.%tu.%tu", major, minor, patch];
|
||||
}
|
||||
38
xcode/OLMKit/OLMMessage.h
Normal file
38
xcode/OLMKit/OLMMessage.h
Normal file
|
|
@ -0,0 +1,38 @@
|
|||
/*
|
||||
Copyright 2016 Chris Ballinger
|
||||
Copyright 2016 OpenMarket Ltd
|
||||
Copyright 2016 Vector Creations Ltd
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
#import <Foundation/Foundation.h>
|
||||
|
||||
/*
|
||||
from olm.hh
|
||||
static const size_t OLM_MESSAGE_TYPE_PRE_KEY = 0;
|
||||
static const size_t OLM_MESSAGE_TYPE_MESSAGE = 1;
|
||||
*/
|
||||
typedef NS_ENUM(NSInteger, OLMMessageType) {
|
||||
OLMMessageTypePreKey = 0,
|
||||
OLMMessageTypeMessage = 1
|
||||
};
|
||||
|
||||
@interface OLMMessage : NSObject
|
||||
|
||||
@property (nonatomic, copy, readonly, nonnull) NSString *ciphertext;
|
||||
@property (readonly) OLMMessageType type;
|
||||
|
||||
- (nullable instancetype) initWithCiphertext:(nonnull NSString*)ciphertext type:(OLMMessageType)type;
|
||||
|
||||
@end
|
||||
34
xcode/OLMKit/OLMMessage.m
Normal file
34
xcode/OLMKit/OLMMessage.m
Normal file
|
|
@ -0,0 +1,34 @@
|
|||
/*
|
||||
Copyright 2016 Chris Ballinger
|
||||
Copyright 2016 OpenMarket Ltd
|
||||
Copyright 2016 Vector Creations Ltd
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
#import "OLMMessage.h"
|
||||
|
||||
@implementation OLMMessage
|
||||
|
||||
- (nullable instancetype) initWithCiphertext:(nonnull NSString*)ciphertext type:(OLMMessageType)type {
|
||||
NSParameterAssert(ciphertext != nil);
|
||||
self = [super init];
|
||||
if (!self) {
|
||||
return nil;
|
||||
}
|
||||
_ciphertext = [ciphertext copy];
|
||||
_type = type;
|
||||
return self;
|
||||
}
|
||||
|
||||
@end
|
||||
32
xcode/OLMKit/OLMOutboundGroupSession.h
Normal file
32
xcode/OLMKit/OLMOutboundGroupSession.h
Normal file
|
|
@ -0,0 +1,32 @@
|
|||
/*
|
||||
Copyright 2016 OpenMarket Ltd
|
||||
Copyright 2016 Vector Creations Ltd
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
#import <Foundation/Foundation.h>
|
||||
#import "OLMSerializable.h"
|
||||
|
||||
@interface OLMOutboundGroupSession : NSObject <OLMSerializable, NSSecureCoding>
|
||||
|
||||
- (instancetype) initOutboundGroupSession;
|
||||
|
||||
- (NSString*)sessionIdentifier;
|
||||
- (NSUInteger)messageIndex;
|
||||
- (NSString*)sessionKey;
|
||||
|
||||
/** UTF-8 plaintext -> base64 ciphertext */
|
||||
- (NSString*)encryptMessage:(NSString*)message error:(NSError**)error;
|
||||
|
||||
@end
|
||||
220
xcode/OLMKit/OLMOutboundGroupSession.m
Normal file
220
xcode/OLMKit/OLMOutboundGroupSession.m
Normal file
|
|
@ -0,0 +1,220 @@
|
|||
/*
|
||||
Copyright 2016 OpenMarket Ltd
|
||||
Copyright 2016 Vector Creations Ltd
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
#import "OLMOutboundGroupSession.h"
|
||||
|
||||
#import "OLMUtility.h"
|
||||
#include "olm/olm.h"
|
||||
|
||||
@interface OLMOutboundGroupSession ()
|
||||
{
|
||||
OlmOutboundGroupSession *session;
|
||||
}
|
||||
@end
|
||||
|
||||
@implementation OLMOutboundGroupSession
|
||||
|
||||
- (void)dealloc {
|
||||
olm_clear_outbound_group_session(session);
|
||||
free(session);
|
||||
}
|
||||
|
||||
- (instancetype)init {
|
||||
self = [super init];
|
||||
if (self)
|
||||
{
|
||||
session = malloc(olm_outbound_group_session_size());
|
||||
if (session) {
|
||||
session = olm_outbound_group_session(session);
|
||||
}
|
||||
|
||||
if (!session) {
|
||||
return nil;
|
||||
}
|
||||
}
|
||||
return self;
|
||||
}
|
||||
|
||||
- (instancetype)initOutboundGroupSession {
|
||||
self = [self init];
|
||||
if (self) {
|
||||
NSMutableData *random = [OLMUtility randomBytesOfLength:olm_init_outbound_group_session_random_length(session)];
|
||||
|
||||
size_t result = olm_init_outbound_group_session(session, random.mutableBytes, random.length);
|
||||
[random resetBytesInRange:NSMakeRange(0, random.length)];
|
||||
if (result == olm_error()) {
|
||||
const char *error = olm_outbound_group_session_last_error(session);
|
||||
NSLog(@"olm_init_outbound_group_session error: %s", error);
|
||||
return nil;
|
||||
}
|
||||
}
|
||||
return self;
|
||||
}
|
||||
|
||||
- (NSString *)sessionIdentifier {
|
||||
size_t length = olm_outbound_group_session_id_length(session);
|
||||
NSMutableData *idData = [NSMutableData dataWithLength:length];
|
||||
if (!idData) {
|
||||
return nil;
|
||||
}
|
||||
size_t result = olm_outbound_group_session_id(session, idData.mutableBytes, idData.length);
|
||||
if (result == olm_error()) {
|
||||
const char *error = olm_outbound_group_session_last_error(session);
|
||||
NSLog(@"olm_outbound_group_session_id error: %s", error);
|
||||
return nil;
|
||||
}
|
||||
NSString *idString = [[NSString alloc] initWithData:idData encoding:NSUTF8StringEncoding];
|
||||
return idString;
|
||||
}
|
||||
|
||||
- (NSUInteger)messageIndex {
|
||||
return olm_outbound_group_session_message_index(session);
|
||||
}
|
||||
|
||||
- (NSString *)sessionKey {
|
||||
size_t length = olm_outbound_group_session_key_length(session);
|
||||
NSMutableData *sessionKeyData = [NSMutableData dataWithLength:length];
|
||||
if (!sessionKeyData) {
|
||||
return nil;
|
||||
}
|
||||
size_t result = olm_outbound_group_session_key(session, sessionKeyData.mutableBytes, sessionKeyData.length);
|
||||
if (result == olm_error()) {
|
||||
const char *error = olm_outbound_group_session_last_error(session);
|
||||
NSLog(@"olm_outbound_group_session_key error: %s", error);
|
||||
return nil;
|
||||
}
|
||||
NSString *sessionKey = [[NSString alloc] initWithData:sessionKeyData encoding:NSUTF8StringEncoding];
|
||||
[sessionKeyData resetBytesInRange:NSMakeRange(0, sessionKeyData.length)];
|
||||
return sessionKey;
|
||||
}
|
||||
|
||||
- (NSString *)encryptMessage:(NSString *)message error:(NSError**)error {
|
||||
NSData *plaintextData = [message dataUsingEncoding:NSUTF8StringEncoding];
|
||||
size_t ciphertextLength = olm_group_encrypt_message_length(session, plaintextData.length);
|
||||
NSMutableData *ciphertext = [NSMutableData dataWithLength:ciphertextLength];
|
||||
if (!ciphertext) {
|
||||
return nil;
|
||||
}
|
||||
size_t result = olm_group_encrypt(session, plaintextData.bytes, plaintextData.length, ciphertext.mutableBytes, ciphertext.length);
|
||||
if (result == olm_error()) {
|
||||
const char *olm_error = olm_outbound_group_session_last_error(session);
|
||||
|
||||
NSString *errorString = [NSString stringWithUTF8String:olm_error];
|
||||
NSLog(@"olm_group_encrypt error: %@", errorString);
|
||||
|
||||
if (error && olm_error && errorString) {
|
||||
*error = [NSError errorWithDomain:OLMErrorDomain
|
||||
code:0
|
||||
userInfo:@{
|
||||
NSLocalizedDescriptionKey: errorString,
|
||||
NSLocalizedFailureReasonErrorKey: [NSString stringWithFormat:@"olm_group_encrypt error: %@", errorString]
|
||||
}];
|
||||
}
|
||||
|
||||
return nil;
|
||||
}
|
||||
return [[NSString alloc] initWithData:ciphertext encoding:NSUTF8StringEncoding];
|
||||
}
|
||||
|
||||
#pragma mark OLMSerializable
|
||||
|
||||
/** Initializes from encrypted serialized data. Will throw error if invalid key or invalid base64. */
|
||||
- (instancetype) initWithSerializedData:(NSString *)serializedData key:(NSData *)key error:(NSError *__autoreleasing *)error {
|
||||
self = [self init];
|
||||
if (!self) {
|
||||
return nil;
|
||||
}
|
||||
NSParameterAssert(key.length > 0);
|
||||
NSParameterAssert(serializedData.length > 0);
|
||||
if (key.length == 0 || serializedData.length == 0) {
|
||||
if (error) {
|
||||
*error = [NSError errorWithDomain:OLMErrorDomain code:0 userInfo:@{NSLocalizedDescriptionKey: @"Bad length."}];
|
||||
}
|
||||
return nil;
|
||||
}
|
||||
NSMutableData *pickle = [serializedData dataUsingEncoding:NSUTF8StringEncoding].mutableCopy;
|
||||
size_t result = olm_unpickle_outbound_group_session(session, key.bytes, key.length, pickle.mutableBytes, pickle.length);
|
||||
if (result == olm_error()) {
|
||||
const char *olm_error = olm_outbound_group_session_last_error(session);
|
||||
NSString *errorString = [NSString stringWithUTF8String:olm_error];
|
||||
if (error && errorString) {
|
||||
*error = [NSError errorWithDomain:OLMErrorDomain code:0 userInfo:@{NSLocalizedDescriptionKey: errorString}];
|
||||
}
|
||||
return nil;
|
||||
}
|
||||
return self;
|
||||
}
|
||||
|
||||
/** Serializes and encrypts object data, outputs base64 blob */
|
||||
- (NSString*) serializeDataWithKey:(NSData*)key error:(NSError**)error {
|
||||
NSParameterAssert(key.length > 0);
|
||||
size_t length = olm_pickle_outbound_group_session_length(session);
|
||||
NSMutableData *pickled = [NSMutableData dataWithLength:length];
|
||||
size_t result = olm_pickle_outbound_group_session(session, key.bytes, key.length, pickled.mutableBytes, pickled.length);
|
||||
if (result == olm_error()) {
|
||||
const char *olm_error = olm_outbound_group_session_last_error(session);
|
||||
NSString *errorString = [NSString stringWithUTF8String:olm_error];
|
||||
if (error && errorString) {
|
||||
*error = [NSError errorWithDomain:OLMErrorDomain code:0 userInfo:@{NSLocalizedDescriptionKey: errorString}];
|
||||
}
|
||||
return nil;
|
||||
}
|
||||
NSString *pickleString = [[NSString alloc] initWithData:pickled encoding:NSUTF8StringEncoding];
|
||||
return pickleString;
|
||||
}
|
||||
|
||||
#pragma mark NSSecureCoding
|
||||
|
||||
+ (BOOL) supportsSecureCoding {
|
||||
return YES;
|
||||
}
|
||||
|
||||
#pragma mark NSCoding
|
||||
|
||||
- (id)initWithCoder:(NSCoder *)decoder {
|
||||
NSString *version = [decoder decodeObjectOfClass:[NSString class] forKey:@"version"];
|
||||
|
||||
NSError *error = nil;
|
||||
|
||||
if ([version isEqualToString:@"1"]) {
|
||||
NSString *pickle = [decoder decodeObjectOfClass:[NSString class] forKey:@"pickle"];
|
||||
NSData *key = [decoder decodeObjectOfClass:[NSData class] forKey:@"key"];
|
||||
|
||||
self = [self initWithSerializedData:pickle key:key error:&error];
|
||||
}
|
||||
|
||||
NSParameterAssert(error == nil);
|
||||
NSParameterAssert(self != nil);
|
||||
if (!self) {
|
||||
return nil;
|
||||
}
|
||||
|
||||
return self;
|
||||
}
|
||||
|
||||
- (void)encodeWithCoder:(NSCoder *)encoder {
|
||||
NSData *key = [OLMUtility randomBytesOfLength:32];
|
||||
NSError *error = nil;
|
||||
NSString *pickle = [self serializeDataWithKey:key error:&error];
|
||||
NSParameterAssert(pickle.length > 0 && error == nil);
|
||||
|
||||
[encoder encodeObject:pickle forKey:@"pickle"];
|
||||
[encoder encodeObject:key forKey:@"key"];
|
||||
[encoder encodeObject:@"1" forKey:@"version"];
|
||||
}
|
||||
|
||||
@end
|
||||
29
xcode/OLMKit/OLMSerializable.h
Normal file
29
xcode/OLMKit/OLMSerializable.h
Normal file
|
|
@ -0,0 +1,29 @@
|
|||
/*
|
||||
Copyright 2016 Chris Ballinger
|
||||
Copyright 2016 OpenMarket Ltd
|
||||
Copyright 2016 Vector Creations Ltd
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
#import <Foundation/Foundation.h>
|
||||
|
||||
@protocol OLMSerializable <NSObject>
|
||||
|
||||
/** Initializes from encrypted serialized data. Will throw error if invalid key or invalid base64. */
|
||||
- (instancetype) initWithSerializedData:(NSString*)serializedData key:(NSData*)key error:(NSError**)error;
|
||||
|
||||
/** Serializes and encrypts object data, outputs base64 blob */
|
||||
- (NSString*) serializeDataWithKey:(NSData*)key error:(NSError**)error;
|
||||
|
||||
@end
|
||||
44
xcode/OLMKit/OLMSession.h
Normal file
44
xcode/OLMKit/OLMSession.h
Normal file
|
|
@ -0,0 +1,44 @@
|
|||
/*
|
||||
Copyright 2016 Chris Ballinger
|
||||
Copyright 2016 OpenMarket Ltd
|
||||
Copyright 2016 Vector Creations Ltd
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
#import <Foundation/Foundation.h>
|
||||
#import "OLMSerializable.h"
|
||||
#import "OLMAccount.h"
|
||||
#import "OLMMessage.h"
|
||||
|
||||
@interface OLMSession : NSObject <OLMSerializable, NSSecureCoding>
|
||||
|
||||
- (instancetype) initOutboundSessionWithAccount:(OLMAccount*)account theirIdentityKey:(NSString*)theirIdentityKey theirOneTimeKey:(NSString*)theirOneTimeKey error:(NSError**)error;
|
||||
|
||||
- (instancetype) initInboundSessionWithAccount:(OLMAccount*)account oneTimeKeyMessage:(NSString*)oneTimeKeyMessage error:(NSError**)error;
|
||||
|
||||
- (instancetype) initInboundSessionWithAccount:(OLMAccount*)account theirIdentityKey:(NSString*)theirIdentityKey oneTimeKeyMessage:(NSString*)oneTimeKeyMessage error:(NSError**)error;
|
||||
|
||||
- (NSString*) sessionIdentifier;
|
||||
|
||||
- (BOOL) matchesInboundSession:(NSString*)oneTimeKeyMessage;
|
||||
|
||||
- (BOOL) matchesInboundSessionFrom:(NSString*)theirIdentityKey oneTimeKeyMessage:(NSString *)oneTimeKeyMessage;
|
||||
|
||||
/** UTF-8 plaintext -> base64 ciphertext */
|
||||
- (OLMMessage*) encryptMessage:(NSString*)message error:(NSError**)error;
|
||||
|
||||
/** base64 ciphertext -> UTF-8 plaintext */
|
||||
- (NSString*) decryptMessage:(OLMMessage*)message error:(NSError**)error;
|
||||
|
||||
@end
|
||||
381
xcode/OLMKit/OLMSession.m
Normal file
381
xcode/OLMKit/OLMSession.m
Normal file
|
|
@ -0,0 +1,381 @@
|
|||
/*
|
||||
Copyright 2016 Chris Ballinger
|
||||
Copyright 2016 OpenMarket Ltd
|
||||
Copyright 2016 Vector Creations Ltd
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
#import "OLMSession.h"
|
||||
#import "OLMUtility.h"
|
||||
#import "OLMAccount_Private.h"
|
||||
#import "OLMSession_Private.h"
|
||||
#include "olm/olm.h"
|
||||
|
||||
@implementation OLMSession
|
||||
|
||||
- (void) dealloc {
|
||||
olm_clear_session(_session);
|
||||
free(_session);
|
||||
}
|
||||
|
||||
- (BOOL) initializeSessionMemory {
|
||||
size_t size = olm_session_size();
|
||||
_session = malloc(size);
|
||||
NSParameterAssert(_session != nil);
|
||||
if (!_session) {
|
||||
return NO;
|
||||
}
|
||||
_session = olm_session(_session);
|
||||
NSParameterAssert(_session != nil);
|
||||
if (!_session) {
|
||||
return NO;
|
||||
}
|
||||
return YES;
|
||||
}
|
||||
|
||||
- (instancetype) init {
|
||||
self = [super init];
|
||||
if (!self) {
|
||||
return nil;
|
||||
}
|
||||
BOOL success = [self initializeSessionMemory];
|
||||
if (!success) {
|
||||
return nil;
|
||||
}
|
||||
return self;
|
||||
}
|
||||
|
||||
- (instancetype) initWithAccount:(OLMAccount*)account {
|
||||
self = [self init];
|
||||
if (!self) {
|
||||
return nil;
|
||||
}
|
||||
NSParameterAssert(account != nil && account.account != NULL);
|
||||
if (account == nil || account.account == NULL) {
|
||||
return nil;
|
||||
}
|
||||
_account = account;
|
||||
return self;
|
||||
}
|
||||
|
||||
- (instancetype) initOutboundSessionWithAccount:(OLMAccount*)account theirIdentityKey:(NSString*)theirIdentityKey theirOneTimeKey:(NSString*)theirOneTimeKey error:(NSError**)error {
|
||||
self = [self initWithAccount:account];
|
||||
if (!self) {
|
||||
return nil;
|
||||
}
|
||||
NSMutableData *random = [OLMUtility randomBytesOfLength:olm_create_outbound_session_random_length(_session)];
|
||||
NSData *idKey = [theirIdentityKey dataUsingEncoding:NSUTF8StringEncoding];
|
||||
NSData *otKey = [theirOneTimeKey dataUsingEncoding:NSUTF8StringEncoding];
|
||||
size_t result = olm_create_outbound_session(_session, account.account, idKey.bytes, idKey.length, otKey.bytes, otKey.length, random.mutableBytes, random.length);
|
||||
[random resetBytesInRange:NSMakeRange(0, random.length)];
|
||||
if (result == olm_error()) {
|
||||
const char *olm_error = olm_session_last_error(_session);
|
||||
|
||||
NSString *errorString = [NSString stringWithUTF8String:olm_error];
|
||||
NSLog(@"olm_create_outbound_session error: %@", errorString);
|
||||
|
||||
if (error && olm_error && errorString) {
|
||||
*error = [NSError errorWithDomain:OLMErrorDomain
|
||||
code:0
|
||||
userInfo:@{
|
||||
NSLocalizedDescriptionKey: errorString,
|
||||
NSLocalizedFailureReasonErrorKey: [NSString stringWithFormat:@"olm_create_outbound_session error: %@", errorString]
|
||||
}];
|
||||
}
|
||||
|
||||
return nil;
|
||||
}
|
||||
return self;
|
||||
}
|
||||
|
||||
- (instancetype) initInboundSessionWithAccount:(OLMAccount*)account oneTimeKeyMessage:(NSString*)oneTimeKeyMessage error:(NSError**)error {
|
||||
self = [self initWithAccount:account];
|
||||
if (!self) {
|
||||
return nil;
|
||||
}
|
||||
NSMutableData *otk = [NSMutableData dataWithData:[oneTimeKeyMessage dataUsingEncoding:NSUTF8StringEncoding]];
|
||||
size_t result = olm_create_inbound_session(_session, account.account, otk.mutableBytes, oneTimeKeyMessage.length);
|
||||
if (result == olm_error()) {
|
||||
const char *olm_error = olm_session_last_error(_session);
|
||||
|
||||
NSString *errorString = [NSString stringWithUTF8String:olm_error];
|
||||
NSLog(@"olm_create_inbound_session error: %@", errorString);
|
||||
|
||||
if (error && olm_error && errorString) {
|
||||
*error = [NSError errorWithDomain:OLMErrorDomain
|
||||
code:0
|
||||
userInfo:@{
|
||||
NSLocalizedDescriptionKey: errorString,
|
||||
NSLocalizedFailureReasonErrorKey: [NSString stringWithFormat:@"olm_create_inbound_session error: %@", errorString]
|
||||
}];
|
||||
}
|
||||
|
||||
return nil;
|
||||
}
|
||||
return self;
|
||||
}
|
||||
|
||||
- (instancetype) initInboundSessionWithAccount:(OLMAccount*)account theirIdentityKey:(NSString*)theirIdentityKey oneTimeKeyMessage:(NSString*)oneTimeKeyMessage error:(NSError**)error {
|
||||
self = [self initWithAccount:account];
|
||||
if (!self) {
|
||||
return nil;
|
||||
}
|
||||
NSData *idKey = [theirIdentityKey dataUsingEncoding:NSUTF8StringEncoding];
|
||||
NSMutableData *otk = [NSMutableData dataWithData:[oneTimeKeyMessage dataUsingEncoding:NSUTF8StringEncoding]];
|
||||
size_t result = olm_create_inbound_session_from(_session, account.account, idKey.bytes, idKey.length, otk.mutableBytes, otk.length);
|
||||
if (result == olm_error()) {
|
||||
const char *olm_error = olm_session_last_error(_session);
|
||||
|
||||
NSString *errorString = [NSString stringWithUTF8String:olm_error];
|
||||
NSLog(@"olm_create_inbound_session_from error: %@", errorString);
|
||||
|
||||
if (error && olm_error && errorString) {
|
||||
*error = [NSError errorWithDomain:OLMErrorDomain
|
||||
code:0
|
||||
userInfo:@{
|
||||
NSLocalizedDescriptionKey: errorString,
|
||||
NSLocalizedFailureReasonErrorKey: [NSString stringWithFormat:@"olm_create_inbound_session_from error: %@", errorString]
|
||||
}];
|
||||
}
|
||||
|
||||
return nil;
|
||||
}
|
||||
return self;
|
||||
}
|
||||
|
||||
- (NSString*) sessionIdentifier {
|
||||
size_t length = olm_session_id_length(_session);
|
||||
NSMutableData *idData = [NSMutableData dataWithLength:length];
|
||||
if (!idData) {
|
||||
return nil;
|
||||
}
|
||||
size_t result = olm_session_id(_session, idData.mutableBytes, idData.length);
|
||||
if (result == olm_error()) {
|
||||
const char *error = olm_session_last_error(_session);
|
||||
NSLog(@"olm_session_id error: %s", error);
|
||||
return nil;
|
||||
}
|
||||
NSString *idString = [[NSString alloc] initWithData:idData encoding:NSUTF8StringEncoding];
|
||||
return idString;
|
||||
}
|
||||
|
||||
- (BOOL)matchesInboundSession:(NSString *)oneTimeKeyMessage {
|
||||
NSMutableData *otk = [NSMutableData dataWithData:[oneTimeKeyMessage dataUsingEncoding:NSUTF8StringEncoding]];
|
||||
|
||||
size_t result = olm_matches_inbound_session(_session, otk.mutableBytes, otk.length);
|
||||
if (result == 1) {
|
||||
return YES;
|
||||
}
|
||||
else {
|
||||
if (result == olm_error()) {
|
||||
const char *error = olm_session_last_error(_session);
|
||||
NSLog(@"olm_matches_inbound_session error: %s", error);
|
||||
}
|
||||
return NO;
|
||||
}
|
||||
}
|
||||
|
||||
- (BOOL)matchesInboundSessionFrom:(NSString *)theirIdentityKey oneTimeKeyMessage:(NSString *)oneTimeKeyMessage {
|
||||
NSData *idKey = [theirIdentityKey dataUsingEncoding:NSUTF8StringEncoding];
|
||||
NSMutableData *otk = [NSMutableData dataWithData:[oneTimeKeyMessage dataUsingEncoding:NSUTF8StringEncoding]];
|
||||
|
||||
size_t result = olm_matches_inbound_session_from(_session,
|
||||
idKey.bytes, idKey.length,
|
||||
otk.mutableBytes, otk.length);
|
||||
if (result == 1) {
|
||||
return YES;
|
||||
}
|
||||
else {
|
||||
if (result == olm_error()) {
|
||||
const char *error = olm_session_last_error(_session);
|
||||
NSLog(@"olm_matches_inbound_session error: %s", error);
|
||||
}
|
||||
return NO;
|
||||
}
|
||||
}
|
||||
|
||||
- (OLMMessage*) encryptMessage:(NSString*)message error:(NSError**)error {
|
||||
size_t messageType = olm_encrypt_message_type(_session);
|
||||
size_t randomLength = olm_encrypt_random_length(_session);
|
||||
NSMutableData *random = [OLMUtility randomBytesOfLength:randomLength];
|
||||
NSData *plaintextData = [message dataUsingEncoding:NSUTF8StringEncoding];
|
||||
size_t ciphertextLength = olm_encrypt_message_length(_session, plaintextData.length);
|
||||
NSMutableData *ciphertext = [NSMutableData dataWithLength:ciphertextLength];
|
||||
if (!ciphertext) {
|
||||
return nil;
|
||||
}
|
||||
size_t result = olm_encrypt(_session, plaintextData.bytes, plaintextData.length, random.mutableBytes, random.length, ciphertext.mutableBytes, ciphertext.length);
|
||||
[random resetBytesInRange:NSMakeRange(0, random.length)];
|
||||
if (result == olm_error()) {
|
||||
const char *olm_error = olm_session_last_error(_session);
|
||||
|
||||
NSString *errorString = [NSString stringWithUTF8String:olm_error];
|
||||
NSLog(@"olm_encrypt error: %@", errorString);
|
||||
|
||||
if (error && olm_error && errorString) {
|
||||
*error = [NSError errorWithDomain:OLMErrorDomain
|
||||
code:0
|
||||
userInfo:@{
|
||||
NSLocalizedDescriptionKey: errorString,
|
||||
NSLocalizedFailureReasonErrorKey: [NSString stringWithFormat:@"olm_encrypt error: %@", errorString]
|
||||
}];
|
||||
}
|
||||
|
||||
return nil;
|
||||
}
|
||||
NSString *ciphertextString = [[NSString alloc] initWithData:ciphertext encoding:NSUTF8StringEncoding];
|
||||
OLMMessage *encryptedMessage = [[OLMMessage alloc] initWithCiphertext:ciphertextString type:messageType];
|
||||
return encryptedMessage;
|
||||
}
|
||||
|
||||
- (NSString*) decryptMessage:(OLMMessage*)message error:(NSError**)error {
|
||||
NSParameterAssert(message != nil);
|
||||
NSData *messageData = [message.ciphertext dataUsingEncoding:NSUTF8StringEncoding];
|
||||
if (!messageData) {
|
||||
return nil;
|
||||
}
|
||||
NSMutableData *mutMessage = messageData.mutableCopy;
|
||||
size_t maxPlaintextLength = olm_decrypt_max_plaintext_length(_session, message.type, mutMessage.mutableBytes, mutMessage.length);
|
||||
if (maxPlaintextLength == olm_error()) {
|
||||
const char *olm_error = olm_session_last_error(_session);
|
||||
|
||||
NSString *errorString = [NSString stringWithUTF8String:olm_error];
|
||||
NSLog(@"olm_decrypt_max_plaintext_length error: %@", errorString);
|
||||
|
||||
if (error && olm_error && errorString) {
|
||||
*error = [NSError errorWithDomain:OLMErrorDomain
|
||||
code:0
|
||||
userInfo:@{
|
||||
NSLocalizedDescriptionKey: errorString,
|
||||
NSLocalizedFailureReasonErrorKey: [NSString stringWithFormat:@"olm_decrypt_max_plaintext_length error: %@", errorString]
|
||||
}];
|
||||
}
|
||||
|
||||
return nil;
|
||||
}
|
||||
// message buffer is destroyed by olm_decrypt_max_plaintext_length
|
||||
mutMessage = messageData.mutableCopy;
|
||||
NSMutableData *plaintextData = [NSMutableData dataWithLength:maxPlaintextLength];
|
||||
size_t plaintextLength = olm_decrypt(_session, message.type, mutMessage.mutableBytes, mutMessage.length, plaintextData.mutableBytes, plaintextData.length);
|
||||
if (plaintextLength == olm_error()) {
|
||||
const char *olm_error = olm_session_last_error(_session);
|
||||
|
||||
NSString *errorString = [NSString stringWithUTF8String:olm_error];
|
||||
NSLog(@"olm_decrypt error: %@", errorString);
|
||||
|
||||
if (error && olm_error && errorString) {
|
||||
*error = [NSError errorWithDomain:OLMErrorDomain
|
||||
code:0
|
||||
userInfo:@{
|
||||
NSLocalizedDescriptionKey: errorString,
|
||||
NSLocalizedFailureReasonErrorKey: [NSString stringWithFormat:@"olm_decrypt error: %@", errorString]
|
||||
}];
|
||||
}
|
||||
|
||||
return nil;
|
||||
}
|
||||
plaintextData.length = plaintextLength;
|
||||
NSString *plaintext = [[NSString alloc] initWithData:plaintextData encoding:NSUTF8StringEncoding];
|
||||
[plaintextData resetBytesInRange:NSMakeRange(0, plaintextData.length)];
|
||||
return plaintext;
|
||||
}
|
||||
|
||||
#pragma mark OLMSerializable
|
||||
|
||||
/** Initializes from encrypted serialized data. Will throw error if invalid key or invalid base64. */
|
||||
- (instancetype) initWithSerializedData:(NSString*)serializedData key:(NSData*)key error:(NSError**)error {
|
||||
self = [self init];
|
||||
if (!self) {
|
||||
return nil;
|
||||
}
|
||||
NSParameterAssert(key.length > 0);
|
||||
NSParameterAssert(serializedData.length > 0);
|
||||
if (key.length == 0 || serializedData.length == 0) {
|
||||
if (error) {
|
||||
*error = [NSError errorWithDomain:OLMErrorDomain code:0 userInfo:@{NSLocalizedDescriptionKey: @"Bad length."}];
|
||||
}
|
||||
return nil;
|
||||
}
|
||||
NSMutableData *pickle = [serializedData dataUsingEncoding:NSUTF8StringEncoding].mutableCopy;
|
||||
size_t result = olm_unpickle_session(_session, key.bytes, key.length, pickle.mutableBytes, pickle.length);
|
||||
if (result == olm_error()) {
|
||||
const char *olm_error = olm_session_last_error(_session);
|
||||
NSString *errorString = [NSString stringWithUTF8String:olm_error];
|
||||
if (error && errorString) {
|
||||
*error = [NSError errorWithDomain:OLMErrorDomain code:0 userInfo:@{NSLocalizedDescriptionKey: errorString}];
|
||||
}
|
||||
return nil;
|
||||
}
|
||||
return self;
|
||||
}
|
||||
|
||||
/** Serializes and encrypts object data, outputs base64 blob */
|
||||
- (NSString*) serializeDataWithKey:(NSData*)key error:(NSError**)error {
|
||||
NSParameterAssert(key.length > 0);
|
||||
size_t length = olm_pickle_session_length(_session);
|
||||
NSMutableData *pickled = [NSMutableData dataWithLength:length];
|
||||
size_t result = olm_pickle_session(_session, key.bytes, key.length, pickled.mutableBytes, pickled.length);
|
||||
if (result == olm_error()) {
|
||||
const char *olm_error = olm_session_last_error(_session);
|
||||
NSString *errorString = [NSString stringWithUTF8String:olm_error];
|
||||
if (error && errorString) {
|
||||
*error = [NSError errorWithDomain:OLMErrorDomain code:0 userInfo:@{NSLocalizedDescriptionKey: errorString}];
|
||||
}
|
||||
return nil;
|
||||
}
|
||||
NSString *pickleString = [[NSString alloc] initWithData:pickled encoding:NSUTF8StringEncoding];
|
||||
return pickleString;
|
||||
}
|
||||
|
||||
#pragma mark NSSecureCoding
|
||||
|
||||
+ (BOOL) supportsSecureCoding {
|
||||
return YES;
|
||||
}
|
||||
|
||||
#pragma mark NSCoding
|
||||
|
||||
- (id)initWithCoder:(NSCoder *)decoder {
|
||||
NSString *version = [decoder decodeObjectOfClass:[NSString class] forKey:@"version"];
|
||||
|
||||
NSError *error = nil;
|
||||
|
||||
if ([version isEqualToString:@"1"]) {
|
||||
NSString *pickle = [decoder decodeObjectOfClass:[NSString class] forKey:@"pickle"];
|
||||
NSData *key = [decoder decodeObjectOfClass:[NSData class] forKey:@"key"];
|
||||
|
||||
self = [self initWithSerializedData:pickle key:key error:&error];
|
||||
}
|
||||
|
||||
NSParameterAssert(error == nil);
|
||||
NSParameterAssert(self != nil);
|
||||
if (!self) {
|
||||
return nil;
|
||||
}
|
||||
|
||||
return self;
|
||||
}
|
||||
|
||||
- (void)encodeWithCoder:(NSCoder *)encoder {
|
||||
NSData *key = [OLMUtility randomBytesOfLength:32];
|
||||
NSError *error = nil;
|
||||
NSString *pickle = [self serializeDataWithKey:key error:&error];
|
||||
NSParameterAssert(pickle.length > 0 && error == nil);
|
||||
|
||||
[encoder encodeObject:pickle forKey:@"pickle"];
|
||||
[encoder encodeObject:key forKey:@"key"];
|
||||
[encoder encodeObject:@"1" forKey:@"version"];
|
||||
}
|
||||
|
||||
@end
|
||||
26
xcode/OLMKit/OLMSession_Private.h
Normal file
26
xcode/OLMKit/OLMSession_Private.h
Normal file
|
|
@ -0,0 +1,26 @@
|
|||
/*
|
||||
Copyright 2016 Chris Ballinger
|
||||
Copyright 2016 OpenMarket Ltd
|
||||
Copyright 2016 Vector Creations Ltd
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
#include "olm/olm.h"
|
||||
|
||||
@interface OLMSession()
|
||||
|
||||
@property (nonatomic) OlmSession *session;
|
||||
@property (nonatomic, strong) OLMAccount *account;
|
||||
|
||||
@end
|
||||
49
xcode/OLMKit/OLMUtility.h
Normal file
49
xcode/OLMKit/OLMUtility.h
Normal file
|
|
@ -0,0 +1,49 @@
|
|||
/*
|
||||
Copyright 2016 Chris Ballinger
|
||||
Copyright 2016 OpenMarket Ltd
|
||||
Copyright 2016 Vector Creations Ltd
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
#import <Foundation/Foundation.h>
|
||||
|
||||
FOUNDATION_EXPORT NSString *const OLMErrorDomain;
|
||||
|
||||
@interface OLMUtility : NSObject
|
||||
|
||||
/**
|
||||
Calculate the SHA-256 hash of the input and encodes it as base64.
|
||||
|
||||
@param message the message to hash.
|
||||
@return the base64-encoded hash value.
|
||||
*/
|
||||
- (NSString*)sha256:(NSData*)message;
|
||||
|
||||
/**
|
||||
Verify an ed25519 signature.
|
||||
|
||||
@param signature the base64-encoded signature to be checked.
|
||||
@param key the ed25519 key.
|
||||
@param message the message which was signed.
|
||||
@param the result error if there is a problem with the verification.
|
||||
If the key was too small then the message will be "OLM.INVALID_BASE64".
|
||||
If the signature was invalid then the message will be "OLM.BAD_MESSAGE_MAC".
|
||||
|
||||
@return YES if valid.
|
||||
*/
|
||||
- (BOOL)verifyEd25519Signature:(NSString*)signature key:(NSString*)key message:(NSData*)message error:(NSError**)error;
|
||||
|
||||
+ (NSMutableData*) randomBytesOfLength:(NSUInteger)length;
|
||||
|
||||
@end
|
||||
121
xcode/OLMKit/OLMUtility.m
Normal file
121
xcode/OLMKit/OLMUtility.m
Normal file
|
|
@ -0,0 +1,121 @@
|
|||
/*
|
||||
Copyright 2016 Chris Ballinger
|
||||
Copyright 2016 OpenMarket Ltd
|
||||
Copyright 2016 Vector Creations Ltd
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
#import "OLMUtility.h"
|
||||
|
||||
#include "olm/olm.h"
|
||||
|
||||
NSString *const OLMErrorDomain = @"org.matrix.olm";
|
||||
|
||||
@interface OLMUtility()
|
||||
|
||||
@property (nonatomic) OlmUtility *utility;
|
||||
|
||||
@end
|
||||
|
||||
@implementation OLMUtility
|
||||
|
||||
- (void) dealloc {
|
||||
olm_clear_utility(_utility);
|
||||
free(_utility);
|
||||
}
|
||||
|
||||
- (BOOL) initializeUtilityMemory {
|
||||
size_t utilitySize = olm_utility_size();
|
||||
_utility = malloc(utilitySize);
|
||||
NSParameterAssert(_utility != nil);
|
||||
if (!_utility) {
|
||||
return NO;
|
||||
}
|
||||
_utility = olm_utility(_utility);
|
||||
NSParameterAssert(_utility != nil);
|
||||
if (!_utility) {
|
||||
return NO;
|
||||
}
|
||||
return YES;
|
||||
}
|
||||
|
||||
- (instancetype) init {
|
||||
self = [super init];
|
||||
if (!self) {
|
||||
return nil;
|
||||
}
|
||||
BOOL success = [self initializeUtilityMemory];
|
||||
if (!success) {
|
||||
return nil;
|
||||
}
|
||||
return self;
|
||||
}
|
||||
|
||||
- (NSString *)sha256:(NSData *)message {
|
||||
size_t length = olm_sha256_length(_utility);
|
||||
|
||||
NSMutableData *shaData = [NSMutableData dataWithLength:length];
|
||||
if (!shaData) {
|
||||
return nil;
|
||||
}
|
||||
|
||||
size_t result = olm_sha256(_utility, message.bytes, message.length, shaData.mutableBytes, shaData.length);
|
||||
if (result == olm_error()) {
|
||||
const char *error = olm_utility_last_error(_utility);
|
||||
NSLog(@"olm_sha256 error: %s", error);
|
||||
return nil;
|
||||
}
|
||||
|
||||
NSString *sha = [[NSString alloc] initWithData:shaData encoding:NSUTF8StringEncoding];
|
||||
return sha;
|
||||
}
|
||||
|
||||
- (BOOL)verifyEd25519Signature:(NSString*)signature key:(NSString*)key message:(NSData*)message error:(NSError**)error {
|
||||
|
||||
NSData *keyData = [key dataUsingEncoding:NSUTF8StringEncoding];
|
||||
NSData *signatureData = [signature dataUsingEncoding:NSUTF8StringEncoding];
|
||||
|
||||
size_t result = olm_ed25519_verify(_utility,
|
||||
keyData.bytes, keyData.length,
|
||||
message.bytes, message.length,
|
||||
(void*)signatureData.bytes, signatureData.length
|
||||
);
|
||||
|
||||
if (result == olm_error()) {
|
||||
if (error) {
|
||||
NSDictionary *userInfo = @{NSLocalizedFailureReasonErrorKey: [NSString stringWithUTF8String:olm_utility_last_error(_utility)]};
|
||||
|
||||
// @TODO
|
||||
*error = [[NSError alloc] initWithDomain:@"OLMKitErrorDomain" code:0 userInfo:userInfo];
|
||||
}
|
||||
return NO;
|
||||
}
|
||||
else {
|
||||
return YES;
|
||||
}
|
||||
}
|
||||
|
||||
+ (NSMutableData*) randomBytesOfLength:(NSUInteger)length {
|
||||
NSMutableData *randomData = [NSMutableData dataWithLength:length];
|
||||
if (!randomData) {
|
||||
return nil;
|
||||
}
|
||||
int result = SecRandomCopyBytes(kSecRandomDefault, randomData.length, randomData.mutableBytes);
|
||||
if (result != 0) {
|
||||
return nil;
|
||||
}
|
||||
return randomData;
|
||||
}
|
||||
|
||||
@end
|
||||
22
xcode/OLMKitTests/Info.plist
Normal file
22
xcode/OLMKitTests/Info.plist
Normal file
|
|
@ -0,0 +1,22 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
|
||||
<plist version="1.0">
|
||||
<dict>
|
||||
<key>CFBundleDevelopmentRegion</key>
|
||||
<string>en</string>
|
||||
<key>CFBundleExecutable</key>
|
||||
<string>$(EXECUTABLE_NAME)</string>
|
||||
<key>CFBundleIdentifier</key>
|
||||
<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
|
||||
<key>CFBundleInfoDictionaryVersion</key>
|
||||
<string>6.0</string>
|
||||
<key>CFBundleName</key>
|
||||
<string>$(PRODUCT_NAME)</string>
|
||||
<key>CFBundlePackageType</key>
|
||||
<string>BNDL</string>
|
||||
<key>CFBundleShortVersionString</key>
|
||||
<string>1.0</string>
|
||||
<key>CFBundleVersion</key>
|
||||
<string>1</string>
|
||||
</dict>
|
||||
</plist>
|
||||
94
xcode/OLMKitTests/OLMKitGroupTests.m
Normal file
94
xcode/OLMKitTests/OLMKitGroupTests.m
Normal file
|
|
@ -0,0 +1,94 @@
|
|||
/*
|
||||
Copyright 2016 OpenMarket Ltd
|
||||
Copyright 2016 Vector Creations Ltd
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
#import <XCTest/XCTest.h>
|
||||
|
||||
#import <OLMKit/OLMKit.h>
|
||||
|
||||
#include "olm/olm.h"
|
||||
|
||||
@interface OLMKitGroupTests : XCTestCase
|
||||
|
||||
@end
|
||||
|
||||
@implementation OLMKitGroupTests
|
||||
|
||||
- (void)setUp {
|
||||
[super setUp];
|
||||
// Put setup code here. This method is called before the invocation of each test method in the class.
|
||||
}
|
||||
|
||||
- (void)tearDown {
|
||||
// Put teardown code here. This method is called after the invocation of each test method in the class.
|
||||
[super tearDown];
|
||||
}
|
||||
|
||||
- (void)testAliceAndBob {
|
||||
NSError *error;
|
||||
|
||||
OLMOutboundGroupSession *aliceSession = [[OLMOutboundGroupSession alloc] initOutboundGroupSession];
|
||||
XCTAssertGreaterThan(aliceSession.sessionIdentifier.length, 0);
|
||||
XCTAssertGreaterThan(aliceSession.sessionKey.length, 0);
|
||||
XCTAssertEqual(aliceSession.messageIndex, 0);
|
||||
|
||||
// Store the session key before starting encrypting
|
||||
NSString *sessionKey = aliceSession.sessionKey;
|
||||
|
||||
NSString *message = @"Hello!";
|
||||
NSString *aliceToBobMsg = [aliceSession encryptMessage:message error:&error];
|
||||
|
||||
XCTAssertEqual(aliceSession.messageIndex, 1);
|
||||
XCTAssertGreaterThanOrEqual(aliceToBobMsg.length, 0);
|
||||
XCTAssertNil(error);
|
||||
|
||||
OLMInboundGroupSession *bobSession = [[OLMInboundGroupSession alloc] initInboundGroupSessionWithSessionKey:sessionKey error:&error];
|
||||
XCTAssertEqualObjects(aliceSession.sessionIdentifier, bobSession.sessionIdentifier);
|
||||
XCTAssertNil(error);
|
||||
|
||||
NSUInteger messageIndex;
|
||||
|
||||
NSString *plaintext = [bobSession decryptMessage:aliceToBobMsg messageIndex:&messageIndex error:&error];
|
||||
XCTAssertEqualObjects(message, plaintext);
|
||||
|
||||
XCTAssertEqual(messageIndex, 0);
|
||||
XCTAssertNil(error);
|
||||
}
|
||||
|
||||
- (void)testOutboundGroupSessionSerialization {
|
||||
|
||||
OLMOutboundGroupSession *aliceSession = [[OLMOutboundGroupSession alloc] initOutboundGroupSession];
|
||||
|
||||
NSData *aliceData = [NSKeyedArchiver archivedDataWithRootObject:aliceSession];
|
||||
OLMOutboundGroupSession *aliceSession2 = [NSKeyedUnarchiver unarchiveObjectWithData:aliceData];
|
||||
|
||||
XCTAssertEqualObjects(aliceSession2.sessionKey, aliceSession.sessionKey);
|
||||
XCTAssertEqualObjects(aliceSession2.sessionIdentifier, aliceSession.sessionIdentifier);
|
||||
}
|
||||
|
||||
- (void)testInboundGroupSessionSerialization {
|
||||
|
||||
OLMOutboundGroupSession *aliceSession = [[OLMOutboundGroupSession alloc] initOutboundGroupSession];
|
||||
|
||||
OLMInboundGroupSession *bobSession = [[OLMInboundGroupSession alloc] initInboundGroupSessionWithSessionKey:aliceSession.sessionKey error:nil];
|
||||
|
||||
NSData *bobData = [NSKeyedArchiver archivedDataWithRootObject:bobSession];
|
||||
OLMInboundGroupSession *bobSession2 = [NSKeyedUnarchiver unarchiveObjectWithData:bobData];
|
||||
|
||||
XCTAssertEqualObjects(bobSession2.sessionIdentifier, aliceSession.sessionIdentifier);
|
||||
}
|
||||
|
||||
@end
|
||||
206
xcode/OLMKitTests/OLMKitTests.m
Normal file
206
xcode/OLMKitTests/OLMKitTests.m
Normal file
|
|
@ -0,0 +1,206 @@
|
|||
/*
|
||||
Copyright 2016 Chris Ballinger
|
||||
Copyright 2016 OpenMarket Ltd
|
||||
Copyright 2016 Vector Creations Ltd
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
#import <XCTest/XCTest.h>
|
||||
#import <OLMKit/OLMKit.h>
|
||||
|
||||
@interface OLMKitTests : XCTestCase
|
||||
|
||||
@end
|
||||
|
||||
@implementation OLMKitTests
|
||||
|
||||
- (void)setUp {
|
||||
[super setUp];
|
||||
// Put setup code here. This method is called before the invocation of each test method in the class.
|
||||
}
|
||||
|
||||
- (void)tearDown {
|
||||
// Put teardown code here. This method is called after the invocation of each test method in the class.
|
||||
[super tearDown];
|
||||
}
|
||||
|
||||
- (void)testAliceAndBob {
|
||||
NSError *error;
|
||||
|
||||
OLMAccount *alice = [[OLMAccount alloc] initNewAccount];
|
||||
OLMAccount *bob = [[OLMAccount alloc] initNewAccount];
|
||||
[bob generateOneTimeKeys:5];
|
||||
NSDictionary *bobIdKeys = bob.identityKeys;
|
||||
NSString *bobIdKey = bobIdKeys[@"curve25519"];
|
||||
NSDictionary *bobOneTimeKeys = bob.oneTimeKeys;
|
||||
NSParameterAssert(bobIdKey != nil);
|
||||
NSParameterAssert(bobOneTimeKeys != nil);
|
||||
__block NSString *bobOneTimeKey = nil;
|
||||
NSDictionary *bobOtkCurve25519 = bobOneTimeKeys[@"curve25519"];
|
||||
[bobOtkCurve25519 enumerateKeysAndObjectsUsingBlock:^(id _Nonnull key, id _Nonnull obj, BOOL * _Nonnull stop) {
|
||||
bobOneTimeKey = obj;
|
||||
}];
|
||||
XCTAssert([bobOneTimeKey isKindOfClass:[NSString class]]);
|
||||
|
||||
OLMSession *aliceSession = [[OLMSession alloc] initOutboundSessionWithAccount:alice theirIdentityKey:bobIdKey theirOneTimeKey:bobOneTimeKey error:nil];
|
||||
NSString *message = @"Hello!";
|
||||
OLMMessage *aliceToBobMsg = [aliceSession encryptMessage:message error:&error];
|
||||
XCTAssertNil(error);
|
||||
|
||||
OLMSession *bobSession = [[OLMSession alloc] initInboundSessionWithAccount:bob oneTimeKeyMessage:aliceToBobMsg.ciphertext error:nil];
|
||||
NSString *plaintext = [bobSession decryptMessage:aliceToBobMsg error:&error];
|
||||
XCTAssertEqualObjects(message, plaintext);
|
||||
XCTAssertNil(error);
|
||||
|
||||
XCTAssert([bobSession matchesInboundSession:aliceToBobMsg.ciphertext]);
|
||||
XCTAssertFalse([aliceSession matchesInboundSession:@"ARandomOtkMessage"]);
|
||||
|
||||
NSString *aliceIdKey = alice.identityKeys[@"curve25519"];
|
||||
XCTAssert([bobSession matchesInboundSessionFrom:aliceIdKey oneTimeKeyMessage:aliceToBobMsg.ciphertext]);
|
||||
XCTAssertFalse([bobSession matchesInboundSessionFrom:@"ARandomIdKey" oneTimeKeyMessage:aliceToBobMsg.ciphertext]);
|
||||
XCTAssertFalse([bobSession matchesInboundSessionFrom:aliceIdKey oneTimeKeyMessage:@"ARandomOtkMessage"]);
|
||||
|
||||
BOOL success = [bob removeOneTimeKeysForSession:bobSession];
|
||||
XCTAssertTrue(success);
|
||||
}
|
||||
|
||||
- (void) testBackAndForth {
|
||||
OLMAccount *alice = [[OLMAccount alloc] initNewAccount];
|
||||
OLMAccount *bob = [[OLMAccount alloc] initNewAccount];
|
||||
[bob generateOneTimeKeys:1];
|
||||
NSDictionary *bobIdKeys = bob.identityKeys;
|
||||
NSString *bobIdKey = bobIdKeys[@"curve25519"];
|
||||
NSDictionary *bobOneTimeKeys = bob.oneTimeKeys;
|
||||
NSParameterAssert(bobIdKey != nil);
|
||||
NSParameterAssert(bobOneTimeKeys != nil);
|
||||
__block NSString *bobOneTimeKey = nil;
|
||||
NSDictionary *bobOtkCurve25519 = bobOneTimeKeys[@"curve25519"];
|
||||
[bobOtkCurve25519 enumerateKeysAndObjectsUsingBlock:^(id _Nonnull key, id _Nonnull obj, BOOL * _Nonnull stop) {
|
||||
bobOneTimeKey = obj;
|
||||
}];
|
||||
XCTAssert([bobOneTimeKey isKindOfClass:[NSString class]]);
|
||||
|
||||
OLMSession *aliceSession = [[OLMSession alloc] initOutboundSessionWithAccount:alice theirIdentityKey:bobIdKey theirOneTimeKey:bobOneTimeKey error:nil];
|
||||
NSString *message = @"Hello I'm Alice!";
|
||||
OLMMessage *aliceToBobMsg = [aliceSession encryptMessage:message error:nil];
|
||||
|
||||
OLMSession *bobSession = [[OLMSession alloc] initInboundSessionWithAccount:bob oneTimeKeyMessage:aliceToBobMsg.ciphertext error:nil];
|
||||
NSString *plaintext = [bobSession decryptMessage:aliceToBobMsg error:nil];
|
||||
XCTAssertEqualObjects(message, plaintext);
|
||||
BOOL success = [bob removeOneTimeKeysForSession:bobSession];
|
||||
XCTAssertTrue(success);
|
||||
|
||||
NSString *msg1 = @"Hello I'm Bob!";
|
||||
NSString *msg2 = @"Isn't life grand?";
|
||||
NSString *msg3 = @"Let's go to the opera.";
|
||||
|
||||
OLMMessage *eMsg1 = [bobSession encryptMessage:msg1 error:nil];
|
||||
OLMMessage *eMsg2 = [bobSession encryptMessage:msg2 error:nil];
|
||||
OLMMessage *eMsg3 = [bobSession encryptMessage:msg3 error:nil];
|
||||
|
||||
NSString *dMsg1 = [aliceSession decryptMessage:eMsg1 error:nil];
|
||||
NSString *dMsg2 = [aliceSession decryptMessage:eMsg2 error:nil];
|
||||
NSString *dMsg3 = [aliceSession decryptMessage:eMsg3 error:nil];
|
||||
XCTAssertEqualObjects(msg1, dMsg1);
|
||||
XCTAssertEqualObjects(msg2, dMsg2);
|
||||
XCTAssertEqualObjects(msg3, dMsg3);
|
||||
}
|
||||
|
||||
- (void) testAccountSerialization {
|
||||
OLMAccount *bob = [[OLMAccount alloc] initNewAccount];
|
||||
[bob generateOneTimeKeys:5];
|
||||
NSDictionary *bobIdKeys = bob.identityKeys;
|
||||
NSDictionary *bobOneTimeKeys = bob.oneTimeKeys;
|
||||
|
||||
NSData *bobData = [NSKeyedArchiver archivedDataWithRootObject:bob];
|
||||
|
||||
OLMAccount *bob2 = [NSKeyedUnarchiver unarchiveObjectWithData:bobData];
|
||||
NSDictionary *bobIdKeys2 = bob2.identityKeys;
|
||||
NSDictionary *bobOneTimeKeys2 = bob2.oneTimeKeys;
|
||||
|
||||
XCTAssertEqualObjects(bobIdKeys, bobIdKeys2);
|
||||
XCTAssertEqualObjects(bobOneTimeKeys, bobOneTimeKeys2);
|
||||
}
|
||||
|
||||
- (void) testSessionSerialization {
|
||||
NSError *error;
|
||||
|
||||
OLMAccount *alice = [[OLMAccount alloc] initNewAccount];
|
||||
OLMAccount *bob = [[OLMAccount alloc] initNewAccount];
|
||||
[bob generateOneTimeKeys:1];
|
||||
NSDictionary *bobIdKeys = bob.identityKeys;
|
||||
NSString *bobIdKey = bobIdKeys[@"curve25519"];
|
||||
NSDictionary *bobOneTimeKeys = bob.oneTimeKeys;
|
||||
NSParameterAssert(bobIdKey != nil);
|
||||
NSParameterAssert(bobOneTimeKeys != nil);
|
||||
__block NSString *bobOneTimeKey = nil;
|
||||
NSDictionary *bobOtkCurve25519 = bobOneTimeKeys[@"curve25519"];
|
||||
[bobOtkCurve25519 enumerateKeysAndObjectsUsingBlock:^(id _Nonnull key, id _Nonnull obj, BOOL * _Nonnull stop) {
|
||||
bobOneTimeKey = obj;
|
||||
}];
|
||||
XCTAssert([bobOneTimeKey isKindOfClass:[NSString class]]);
|
||||
|
||||
OLMSession *aliceSession = [[OLMSession alloc] initOutboundSessionWithAccount:alice theirIdentityKey:bobIdKey theirOneTimeKey:bobOneTimeKey error:nil];
|
||||
NSString *message = @"Hello I'm Alice!";
|
||||
OLMMessage *aliceToBobMsg = [aliceSession encryptMessage:message error:&error];
|
||||
XCTAssertNil(error);
|
||||
|
||||
|
||||
OLMSession *bobSession = [[OLMSession alloc] initInboundSessionWithAccount:bob oneTimeKeyMessage:aliceToBobMsg.ciphertext error:nil];
|
||||
NSString *plaintext = [bobSession decryptMessage:aliceToBobMsg error:nil];
|
||||
XCTAssertEqualObjects(message, plaintext);
|
||||
BOOL success = [bob removeOneTimeKeysForSession:bobSession];
|
||||
XCTAssertTrue(success);
|
||||
|
||||
NSString *msg1 = @"Hello I'm Bob!";
|
||||
NSString *msg2 = @"Isn't life grand?";
|
||||
NSString *msg3 = @"Let's go to the opera.";
|
||||
|
||||
OLMMessage *eMsg1 = [bobSession encryptMessage:msg1 error:nil];
|
||||
OLMMessage *eMsg2 = [bobSession encryptMessage:msg2 error:nil];
|
||||
OLMMessage *eMsg3 = [bobSession encryptMessage:msg3 error:nil];
|
||||
|
||||
NSData *aliceData = [NSKeyedArchiver archivedDataWithRootObject:aliceSession];
|
||||
OLMSession *alice2 = [NSKeyedUnarchiver unarchiveObjectWithData:aliceData];
|
||||
|
||||
NSString *dMsg1 = [alice2 decryptMessage:eMsg1 error:nil];
|
||||
NSString *dMsg2 = [alice2 decryptMessage:eMsg2 error:nil];
|
||||
NSString *dMsg3 = [alice2 decryptMessage:eMsg3 error:nil];
|
||||
XCTAssertEqualObjects(msg1, dMsg1);
|
||||
XCTAssertEqualObjects(msg2, dMsg2);
|
||||
XCTAssertEqualObjects(msg3, dMsg3);
|
||||
}
|
||||
|
||||
- (void)testEd25519Signing {
|
||||
|
||||
OLMUtility *olmUtility = [[OLMUtility alloc] init];
|
||||
OLMAccount *alice = [[OLMAccount alloc] initNewAccount];
|
||||
|
||||
NSDictionary *aJSON = @{
|
||||
@"key1": @"value1",
|
||||
@"key2": @"value2"
|
||||
};
|
||||
NSData *message = [NSKeyedArchiver archivedDataWithRootObject:aJSON];
|
||||
NSString *signature = [alice signMessage:message];
|
||||
|
||||
|
||||
NSString *aliceEd25519Key = alice.identityKeys[@"ed25519"];
|
||||
|
||||
NSError *error;
|
||||
BOOL result = [olmUtility verifyEd25519Signature:signature key:aliceEd25519Key message:message error:&error];
|
||||
XCTAssert(result);
|
||||
XCTAssertNil(error);
|
||||
}
|
||||
|
||||
@end
|
||||
7
xcode/Podfile
Normal file
7
xcode/Podfile
Normal file
|
|
@ -0,0 +1,7 @@
|
|||
target "OLMKit" do
|
||||
pod 'OLMKit', :path => '../OLMKit.podspec'
|
||||
end
|
||||
|
||||
target "OLMKitTests" do
|
||||
pod 'OLMKit', :path => '../OLMKit.podspec'
|
||||
end
|
||||
20
xcode/Podfile.lock
Normal file
20
xcode/Podfile.lock
Normal file
|
|
@ -0,0 +1,20 @@
|
|||
PODS:
|
||||
- OLMKit (2.0.1):
|
||||
- OLMKit/olmc (= 2.0.1)
|
||||
- OLMKit/olmcpp (= 2.0.1)
|
||||
- OLMKit/olmc (2.0.1)
|
||||
- OLMKit/olmcpp (2.0.1)
|
||||
|
||||
DEPENDENCIES:
|
||||
- OLMKit (from `../OLMKit.podspec`)
|
||||
|
||||
EXTERNAL SOURCES:
|
||||
OLMKit:
|
||||
:path: ../OLMKit.podspec
|
||||
|
||||
SPEC CHECKSUMS:
|
||||
OLMKit: 12a35a69f92c7facdd50b559128d1b4a17857ba7
|
||||
|
||||
PODFILE CHECKSUM: 4e261dae61d833ec5585ced2473023b98909fd35
|
||||
|
||||
COCOAPODS: 1.1.1
|
||||
26
xcode/README.rst
Normal file
26
xcode/README.rst
Normal file
|
|
@ -0,0 +1,26 @@
|
|||
OLMKit
|
||||
======
|
||||
|
||||
OLMKit exposes an Objective-C wrapper to libolm.
|
||||
|
||||
The original work by Chris Ballinger can be found at https://github.com/chrisballinger/OLMKit.
|
||||
|
||||
Installation
|
||||
------------
|
||||
You can embed OLMKit to your application project with CocoaPods. The pod for
|
||||
the latest OLMKit release is::
|
||||
|
||||
pod 'OLMKit'
|
||||
|
||||
Development
|
||||
-----------
|
||||
Run `pod install` and open `OLMKit.xcworkspace`.
|
||||
|
||||
The project contains only tests files. The libolm and the Objective-C wrapper source files are loaded via the OLMKit CocoaPods pod.
|
||||
|
||||
To add a new source file, add it to the file system and run `pod update` to make CocoaPods insert it into OLMKit.xcworkspace.
|
||||
|
||||
Release
|
||||
-------
|
||||
See ../README.rst for the release of the CocoaPod.
|
||||
|
||||
Loading…
Reference in a new issue