Merge remote-tracking branch 'OLMKit/olmkit' into olmkit

# Conflicts:
#	.gitignore
#	include/olm/olm.hh
#	javascript/README.md

22 files changed, 1819 insertions, 0 deletions

diff --git a/olm.podspec b/olm.podspec
new file mode 100644
index 0000000..6e366d2
--- /dev/null
+++ b/olm.podspec
@@ -0,0 +1,98 @@
+#
+#  Be sure to run `pod spec lint olm.podspec' to ensure this is a
+#  valid spec and to remove all comments including this before submitting the spec.
+#
+#  To learn more about Podspec attributes see http://docs.cocoapods.org/specification.html
+#  To see working Podspecs in the CocoaPods repo see https://github.com/CocoaPods/Specs/
+#
+
+Pod::Spec.new do |s|
+
+  # ―――  Spec Metadata  ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――― #
+  #
+  #  These will help people to find your library, and whilst it
+  #  can feel like a chore to fill in it's definitely to your advantage. The
+  #  summary should be tweet-length, and the description more in depth.
+  #
+
+  s.name         = "olm"
+  s.version      = "0.1.0"
+  s.summary      = "olm"
+
+  # This description is used to generate tags and improve search results.
+  #   * Think: What does it do? Why did you write it? What is the focus?
+  #   * Try to keep it short, snappy and to the point.
+  #   * Write the description between the DESC delimiters below.
+  #   * Finally, don't worry about the indent, CocoaPods strips it!
+  s.description  = <<-DESC
+                   DESC
+
+  s.homepage     = "http://EXAMPLE/olm"
+  # s.screenshots  = "www.example.com/screenshots_1.gif", "www.example.com/screenshots_2.gif"
+
+
+  # ―――  Spec License  ――――――――――――――――――――――――――――――――――――――――――――――――――――――――――― #
+  #
+  #  Licensing your code is important. See http://choosealicense.com for more info.
+  #  CocoaPods will detect a license file if there is a named LICENSE*
+  #  Popular ones are 'MIT', 'BSD' and 'Apache License, Version 2.0'.
+  #
+
+  s.license      = "MIT (example)"
+  # s.license      = { :type => "MIT", :file => "FILE_LICENSE" }
+
+
+  # ――― Author Metadata  ――――――――――――――――――――――――――――――――――――――――――――――――――――――――― #
+  #
+  #  Specify the authors of the library, with email addresses. Email addresses
+  #  of the authors are extracted from the SCM log. E.g. $ git log. CocoaPods also
+  #  accepts just a name if you'd rather not provide an email address.
+  #
+  #  Specify a social_media_url where others can refer to, for example a twitter
+  #  profile URL.
+  #
+
+  s.author             = { "Chris Ballinger" => "chrisballinger@gmail.com" }
+  # Or just: s.author    = "Chris Ballinger"
+  # s.authors            = { "Chris Ballinger" => "chrisballinger@gmail.com" }
+  # s.social_media_url   = "http://twitter.com/Chris Ballinger"
+
+  # ――― Platform Specifics ――――――――――――――――――――――――――――――――――――――――――――――――――――――― #
+  #
+  #  If this Pod runs only on iOS or OS X, then specify the platform and
+  #  the deployment target. You can optionally include the target after the platform.
+  #
+
+  # s.platform     = :ios
+  # s.platform     = :ios, "5.0"
+
+  #  When using multiple platforms
+  # s.ios.deployment_target = "5.0"
+  # s.osx.deployment_target = "10.7"
+  # s.watchos.deployment_target = "2.0"
+  # s.tvos.deployment_target = "9.0"
+
+
+  # ――― Source Location ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――― #
+  #
+  #  Specify the location from where the source should be retrieved.
+  #  Supports git, hg, bzr, svn and HTTP.
+  #
+
+  s.source       = { :git => "http://EXAMPLE/olm.git", :tag => "0.0.1" }
+
+
+  # ――― Source Code ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――― #
+  #
+  #  CocoaPods is smart about how it includes source code. For source files
+  #  giving a folder will include any swift, h, m, mm, c & cpp files.
+  #  For header files it will include any header in the folder.
+  #  Not including the public_header_files will make all headers public.
+  #
+
+  s.source_files  = ["include/olm/*.hh","src/*.cpp"]
+  s.public_header_files = "include/olm/olm.hh"
+
+  s.library = "c++"
+  s.xcconfig = { 'HEADER_SEARCH_PATHS' => '$(PODS_ROOT)/olm/include $(PODS_ROOT)/olm/lib $(PODS_ROOT)/../../include $(PODS_ROOT)/../../lib' }
+end
diff --git a/xcode/OLMKit/Info.plist b/xcode/OLMKit/Info.plist
new file mode 100644
index 0000000..d3de8ee
--- /dev/null
+++ b/xcode/OLMKit/Info.plist
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(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>FMWK</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>$(CURRENT_PROJECT_VERSION)</string>
+	<key>NSPrincipalClass</key>
+	<string></string>
+</dict>
+</plist>
diff --git a/xcode/OLMKit/OLMAccount.h b/xcode/OLMKit/OLMAccount.h
new file mode 100644
index 0000000..a2923f9
--- /dev/null
+++ b/xcode/OLMKit/OLMAccount.h
@@ -0,0 +1,41 @@
+//
+//  OLMAccount.h
+//  olm
+//
+//  Created by Chris Ballinger on 4/8/16.
+//
+//
+
+#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;
+
+/** 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) markKeysAsPublished;
+
+/** 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
diff --git a/xcode/OLMKit/OLMAccount.m b/xcode/OLMKit/OLMAccount.m
new file mode 100644
index 0000000..4561a37
--- /dev/null
+++ b/xcode/OLMKit/OLMAccount.m
@@ -0,0 +1,229 @@
+//
+//  OLMAccount.m
+//  olm
+//
+//  Created by Chris Ballinger on 4/8/16.
+//
+//
+
+#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);
+    if (accountResult == olm_error()) {
+        const char *error = olm_account_last_error(_account);
+        NSLog(@"error creating account: %s", error);
+        return nil;
+    }
+    return self;
+}
+
+- (size_t) 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;
+}
+
+- (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);
+    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 nil;
+    }
+    size_t result = olm_remove_one_time_keys(self.account, session.session);
+    if (result == olm_error()) {
+        const char *error = olm_session_last_error(session.session);
+        NSAssert(NO, @"olm_remove_one_time_keys error: %s", error);
+        return NO;
+    }
+    return YES;
+}
+
+#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:@"org.matrix.olm" 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:@"org.matrix.olm" 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:@"org.matrix.olm" 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
diff --git a/xcode/OLMKit/OLMAccount_Private.h b/xcode/OLMKit/OLMAccount_Private.h
new file mode 100644
index 0000000..4eb3e2b
--- /dev/null
+++ b/xcode/OLMKit/OLMAccount_Private.h
@@ -0,0 +1,15 @@
+//
+//  OLMAccount_Private.h
+//  olm
+//
+//  Created by Chris Ballinger on 4/8/16.
+//
+//
+
+@import olm;
+
+@interface OLMAccount()
+
+@property (nonatomic) OlmAccount *account;
+
+@end
\ No newline at end of file
diff --git a/xcode/OLMKit/OLMKit.h b/xcode/OLMKit/OLMKit.h
new file mode 100644
index 0000000..745af43
--- /dev/null
+++ b/xcode/OLMKit/OLMKit.h
@@ -0,0 +1,23 @@
+//
+//  OLMKit.h
+//  OLMKit
+//
+//  Created by Chris Ballinger on 4/8/16.
+//
+//
+
+#import <UIKit/UIKit.h>
+
+//! Project version number for OLMKit.
+FOUNDATION_EXPORT double OLMKitVersionNumber;
+
+//! Project version string for OLMKit.
+FOUNDATION_EXPORT const unsigned char OLMKitVersionString[];
+
+// In this header, you should import all the public headers of your framework using statements like #import <OLMKit/PublicHeader.h>
+
+
+#import "OLMAccount.h"
+#import "OLMSession.h"
+#import "OLMMessage.h"
+#import "OLMUtility.h"
\ No newline at end of file
diff --git a/xcode/OLMKit/OLMMessage.h b/xcode/OLMKit/OLMMessage.h
new file mode 100644
index 0000000..97c748f
--- /dev/null
+++ b/xcode/OLMKit/OLMMessage.h
@@ -0,0 +1,28 @@
+//
+//  OLMMessage.h
+//  olm
+//
+//  Created by Chris Ballinger on 4/8/16.
+//
+//
+
+#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
diff --git a/xcode/OLMKit/OLMMessage.m b/xcode/OLMKit/OLMMessage.m
new file mode 100644
index 0000000..d0cfb41
--- /dev/null
+++ b/xcode/OLMKit/OLMMessage.m
@@ -0,0 +1,24 @@
+//
+//  OLMMessage.m
+//  olm
+//
+//  Created by Chris Ballinger on 4/8/16.
+//
+//
+
+#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
diff --git a/xcode/OLMKit/OLMSerializable.h b/xcode/OLMKit/OLMSerializable.h
new file mode 100644
index 0000000..b4b115a
--- /dev/null
+++ b/xcode/OLMKit/OLMSerializable.h
@@ -0,0 +1,19 @@
+//
+//  OLMSerializable.h
+//  olm
+//
+//  Created by Chris Ballinger on 4/8/16.
+//
+//
+
+#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
diff --git a/xcode/OLMKit/OLMSession.h b/xcode/OLMKit/OLMSession.h
new file mode 100644
index 0000000..c209564
--- /dev/null
+++ b/xcode/OLMKit/OLMSession.h
@@ -0,0 +1,34 @@
+//
+//  OLMSession.h
+//  olm
+//
+//  Created by Chris Ballinger on 4/8/16.
+//
+//
+
+#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;
+
+- (instancetype) initInboundSessionWithAccount:(OLMAccount*)account oneTimeKeyMessage:(NSString*)oneTimeKeyMessage;
+
+- (instancetype) initInboundSessionWithAccount:(OLMAccount*)account theirIdentityKey:(NSString*)theirIdentityKey oneTimeKeyMessage:(NSString*)oneTimeKeyMessage;
+
+- (NSString*) sessionIdentifier;
+
+- (BOOL) matchesInboundSession:(NSString*)oneTimeKeyMessage;
+
+- (BOOL) matchesInboundSessionFrom:(NSString*)theirIdentityKey oneTimeKeyMessage:(NSString *)oneTimeKeyMessage;
+
+/** UTF-8 plaintext -> base64 ciphertext */
+- (OLMMessage*) encryptMessage:(NSString*)message;
+
+/** base64 ciphertext -> UTF-8 plaintext */
+- (NSString*) decryptMessage:(OLMMessage*)message;
+
+@end
diff --git a/xcode/OLMKit/OLMSession.m b/xcode/OLMKit/OLMSession.m
new file mode 100644
index 0000000..119079f
--- /dev/null
+++ b/xcode/OLMKit/OLMSession.m
@@ -0,0 +1,261 @@
+//
+//  OLMSession.m
+//  olm
+//
+//  Created by Chris Ballinger on 4/8/16.
+//
+//
+
+#import "OLMSession.h"
+#import "OLMUtility.h"
+#import "OLMAccount_Private.h"
+#import "OLMSession_Private.h"
+@import olm;
+
+@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 {
+    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);
+    if (result == olm_error()) {
+        const char *error = olm_session_last_error(_session);
+        NSAssert(NO, @"olm_create_outbound_session error: %s", error);
+        return nil;
+    }
+    return self;
+}
+
+- (instancetype) initInboundSessionWithAccount:(OLMAccount*)account oneTimeKeyMessage:(NSString*)oneTimeKeyMessage {
+    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 *error = olm_session_last_error(_session);
+        NSAssert(NO, @"olm_create_inbound_session error: %s", error);
+        return nil;
+    }
+    return self;
+}
+
+- (instancetype) initInboundSessionWithAccount:(OLMAccount*)account theirIdentityKey:(NSString*)theirIdentityKey oneTimeKeyMessage:(NSString*)oneTimeKeyMessage {
+    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 *error = olm_session_last_error(_session);
+        NSAssert(NO, @"olm_create_inbound_session_from error: %s", error);
+        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);
+        NSAssert(NO, @"olm_session_id error: %s", error);
+        return nil;
+    }
+    NSString *idString = [[NSString alloc] initWithData:idData encoding:NSUTF8StringEncoding];
+    return idString;
+}
+
+- (OLMMessage*) encryptMessage:(NSString*)message {
+    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);
+    if (result == olm_error()) {
+        const char *error = olm_session_last_error(_session);
+        NSAssert(NO, @"olm_encrypt error: %s", error);
+        return nil;
+    }
+    NSString *ciphertextString = [[NSString alloc] initWithData:ciphertext encoding:NSUTF8StringEncoding];
+    OLMMessage *encryptedMessage = [[OLMMessage alloc] initWithCiphertext:ciphertextString type:messageType];
+    return encryptedMessage;
+}
+
+- (NSString*) decryptMessage:(OLMMessage*)message {
+    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 *error = olm_session_last_error(_session);
+        NSAssert(NO, @"olm_decrypt_max_plaintext_length error: %s", error);
+        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 *error = olm_session_last_error(_session);
+        NSAssert(NO, @"olm_decrypt error: %s", error);
+        return nil;
+    }
+    plaintextData.length = plaintextLength;
+    NSString *plaintext = [[NSString alloc] initWithData:plaintextData encoding:NSUTF8StringEncoding];
+    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:@"org.matrix.olm" 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:@"org.matrix.olm" 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:@"org.matrix.olm" 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
diff --git a/xcode/OLMKit/OLMSession_Private.h b/xcode/OLMKit/OLMSession_Private.h
new file mode 100644
index 0000000..d906b14
--- /dev/null
+++ b/xcode/OLMKit/OLMSession_Private.h
@@ -0,0 +1,16 @@
+//
+//  OLMSession_Private.h
+//  olm
+//
+//  Created by Chris Ballinger on 4/13/16.
+//
+//
+
+@import olm;
+
+@interface OLMSession()
+
+@property (nonatomic) OlmSession *session;
+@property (nonatomic, strong) OLMAccount *account;
+
+@end
\ No newline at end of file
diff --git a/xcode/OLMKit/OLMUtility.h b/xcode/OLMKit/OLMUtility.h
new file mode 100644
index 0000000..8acbf40
--- /dev/null
+++ b/xcode/OLMKit/OLMUtility.h
@@ -0,0 +1,15 @@
+//
+//  OLMUtility.h
+//  olm
+//
+//  Created by Chris Ballinger on 4/8/16.
+//
+//
+
+#import <Foundation/Foundation.h>
+
+@interface OLMUtility : NSObject
+
++ (NSMutableData*) randomBytesOfLength:(NSUInteger)length;
+
+@end
diff --git a/xcode/OLMKit/OLMUtility.m b/xcode/OLMKit/OLMUtility.m
new file mode 100644
index 0000000..5dbe644
--- /dev/null
+++ b/xcode/OLMKit/OLMUtility.m
@@ -0,0 +1,25 @@
+//
+//  OLMUtility.m
+//  olm
+//
+//  Created by Chris Ballinger on 4/8/16.
+//
+//
+
+#import "OLMUtility.h"
+
+@implementation OLMUtility
+
++ (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
diff --git a/xcode/OLMKitTests/Info.plist b/xcode/OLMKitTests/Info.plist
new file mode 100644
index 0000000..ba72822
--- /dev/null
+++ b/xcode/OLMKitTests/Info.plist
@@ -0,0 +1,24 @@
+<?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>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>
diff --git a/xcode/OLMKitTests/OLMKitTests.m b/xcode/OLMKitTests/OLMKitTests.m
new file mode 100644
index 0000000..c76d636
--- /dev/null
+++ b/xcode/OLMKitTests/OLMKitTests.m
@@ -0,0 +1,161 @@
+//
+//  OLMKitTests.m
+//  OLMKitTests
+//
+//  Created by Chris Ballinger on 4/8/16.
+//
+//
+
+#import <XCTest/XCTest.h>
+@import OLMKit;
+
+@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 {
+    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];
+    NSString *message = @"Hello!";
+    OLMMessage *aliceToBobMsg = [aliceSession encryptMessage:message];
+    
+    OLMSession *bobSession = [[OLMSession alloc] initInboundSessionWithAccount:bob oneTimeKeyMessage:aliceToBobMsg.ciphertext];
+    NSString *plaintext = [bobSession decryptMessage:aliceToBobMsg];
+    XCTAssertEqualObjects(message, plaintext);
+    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];
+    NSString *message = @"Hello I'm Alice!";
+    OLMMessage *aliceToBobMsg = [aliceSession encryptMessage:message];
+    
+    OLMSession *bobSession = [[OLMSession alloc] initInboundSessionWithAccount:bob oneTimeKeyMessage:aliceToBobMsg.ciphertext];
+    NSString *plaintext = [bobSession decryptMessage:aliceToBobMsg];
+    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];
+    OLMMessage *eMsg2 = [bobSession encryptMessage:msg2];
+    OLMMessage *eMsg3 = [bobSession encryptMessage:msg3];
+    
+    NSString *dMsg1 = [aliceSession decryptMessage:eMsg1];
+    NSString *dMsg2 = [aliceSession decryptMessage:eMsg2];
+    NSString *dMsg3 = [aliceSession decryptMessage:eMsg3];
+    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 = bob.oneTimeKeys;
+    
+    XCTAssertEqualObjects(bobIdKeys, bobIdKeys2);
+    XCTAssertEqualObjects(bobOneTimeKeys, bobOneTimeKeys2);
+}
+
+- (void) testSessionSerialization {
+    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];
+    NSString *message = @"Hello I'm Alice!";
+    OLMMessage *aliceToBobMsg = [aliceSession encryptMessage:message];
+    
+    OLMSession *bobSession = [[OLMSession alloc] initInboundSessionWithAccount:bob oneTimeKeyMessage:aliceToBobMsg.ciphertext];
+    NSString *plaintext = [bobSession decryptMessage:aliceToBobMsg];
+    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];
+    OLMMessage *eMsg2 = [bobSession encryptMessage:msg2];
+    OLMMessage *eMsg3 = [bobSession encryptMessage:msg3];
+    
+    NSData *aliceData = [NSKeyedArchiver archivedDataWithRootObject:aliceSession];
+    OLMSession *alice2 = [NSKeyedUnarchiver unarchiveObjectWithData:aliceData];
+    
+    NSString *dMsg1 = [alice2 decryptMessage:eMsg1];
+    NSString *dMsg2 = [alice2 decryptMessage:eMsg2];
+    NSString *dMsg3 = [alice2 decryptMessage:eMsg3];
+    XCTAssertEqualObjects(msg1, dMsg1);
+    XCTAssertEqualObjects(msg2, dMsg2);
+    XCTAssertEqualObjects(msg3, dMsg3);
+}
+
+
+@end
diff --git a/xcode/Podfile b/xcode/Podfile
new file mode 100644
index 0000000..7bd8189
--- /dev/null
+++ b/xcode/Podfile
@@ -0,0 +1,6 @@
+# Uncomment this line to define a global platform for your project
+platform :ios, '8.0'
+# Uncomment this line if you're using Swift
+use_frameworks!
+
+pod 'olm', :path => '../olm.podspec'
\ No newline at end of file
diff --git a/xcode/Podfile.lock b/xcode/Podfile.lock
new file mode 100644
index 0000000..4639dc0
--- /dev/null
+++ b/xcode/Podfile.lock
@@ -0,0 +1,14 @@
+PODS:
+  - olm (0.1.0)
+
+DEPENDENCIES:
+  - olm (from `../olm.podspec`)
+
+EXTERNAL SOURCES:
+  olm:
+    :path: "../olm.podspec"
+
+SPEC CHECKSUMS:
+  olm: ba8c1a7ca04486ec1ad958ec9feef73c0939ae27
+
+COCOAPODS: 0.39.0
diff --git a/xcode/olm.xcodeproj/project.pbxproj b/xcode/olm.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..6c6fa32
--- /dev/null
+++ b/xcode/olm.xcodeproj/project.pbxproj
@@ -0,0 +1,561 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
+/* Begin PBXBuildFile section */
+		D9401CDC1CBF10BD003DD078 /* OLMSession_Private.h in Headers */ = {isa = PBXBuildFile; fileRef = D9401CDB1CBF10BD003DD078 /* OLMSession_Private.h */; };
+		D976E4411CB852E000F5C124 /* OLMKit.h in Headers */ = {isa = PBXBuildFile; fileRef = D976E4401CB852E000F5C124 /* OLMKit.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		D976E4481CB852E000F5C124 /* OLMKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D976E43E1CB852E000F5C124 /* OLMKit.framework */; };
+		D976E44D1CB852E000F5C124 /* OLMKitTests.m in Sources */ = {isa = PBXBuildFile; fileRef = D976E44C1CB852E000F5C124 /* OLMKitTests.m */; };
+		D976E4571CB8536500F5C124 /* OLMAccount.h in Headers */ = {isa = PBXBuildFile; fileRef = D976E4551CB8536500F5C124 /* OLMAccount.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		D976E4581CB8536500F5C124 /* OLMAccount.m in Sources */ = {isa = PBXBuildFile; fileRef = D976E4561CB8536500F5C124 /* OLMAccount.m */; };
+		D976E45B1CB8538300F5C124 /* OLMSession.h in Headers */ = {isa = PBXBuildFile; fileRef = D976E4591CB8538300F5C124 /* OLMSession.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		D976E45C1CB8538300F5C124 /* OLMSession.m in Sources */ = {isa = PBXBuildFile; fileRef = D976E45A1CB8538300F5C124 /* OLMSession.m */; };
+		D976E45F1CB8538E00F5C124 /* OLMUtility.h in Headers */ = {isa = PBXBuildFile; fileRef = D976E45D1CB8538E00F5C124 /* OLMUtility.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		D976E4601CB8538E00F5C124 /* OLMUtility.m in Sources */ = {isa = PBXBuildFile; fileRef = D976E45E1CB8538E00F5C124 /* OLMUtility.m */; };
+		D976E4621CB860E200F5C124 /* OLMSerializable.h in Headers */ = {isa = PBXBuildFile; fileRef = D976E4611CB860E200F5C124 /* OLMSerializable.h */; settings = {ATTRIBUTES = (Public, ); }; };
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+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = dwarf;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_TESTABILITY = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = (
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+				);
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
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+				IPHONEOS_DEPLOYMENT_TARGET = 9.3;
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
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+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
+				CLANG_CXX_LIBRARY = "libc++";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
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+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
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+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
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+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
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+				IPHONEOS_DEPLOYMENT_TARGET = 9.3;
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				MTL_ENABLE_DEBUG_INFO = NO;
+				PRODUCT_BUNDLE_IDENTIFIER = io.ballinger.OLMKitTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = iphoneos;
+				VALIDATE_PRODUCT = YES;
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		D9679C501C87B53E007F67AA /* Build configuration list for PBXProject "olm" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				D9679C511C87B53E007F67AA /* Debug */,
+				D9679C521C87B53E007F67AA /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		D976E44F1CB852E000F5C124 /* Build configuration list for PBXNativeTarget "OLMKit" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				D976E4501CB852E000F5C124 /* Debug */,
+				D976E4511CB852E000F5C124 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		D976E4521CB852E000F5C124 /* Build configuration list for PBXNativeTarget "OLMKitTests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				D976E4531CB852E000F5C124 /* Debug */,
+				D976E4541CB852E000F5C124 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = D9679C4D1C87B53E007F67AA /* Project object */;
+}
diff --git a/xcode/olm.xcodeproj/xcshareddata/xcschemes/OLMKit.xcscheme b/xcode/olm.xcodeproj/xcshareddata/xcschemes/OLMKit.xcscheme
new file mode 100644
index 0000000..eee8c5e
--- /dev/null
+++ b/xcode/olm.xcodeproj/xcshareddata/xcschemes/OLMKit.xcscheme
@@ -0,0 +1,99 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "0730"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "D976E43D1CB852E000F5C124"
+               BuildableName = "OLMKit.framework"
+               BlueprintName = "OLMKit"
+               ReferencedContainer = "container:olm.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "D976E4461CB852E000F5C124"
+               BuildableName = "OLMKitTests.xctest"
+               BlueprintName = "OLMKitTests"
+               ReferencedContainer = "container:olm.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "D976E43D1CB852E000F5C124"
+            BuildableName = "OLMKit.framework"
+            BlueprintName = "OLMKit"
+            ReferencedContainer = "container:olm.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "D976E43D1CB852E000F5C124"
+            BuildableName = "OLMKit.framework"
+            BlueprintName = "OLMKit"
+            ReferencedContainer = "container:olm.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "D976E43D1CB852E000F5C124"
+            BuildableName = "OLMKit.framework"
+            BlueprintName = "OLMKit"
+            ReferencedContainer = "container:olm.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
diff --git a/xcode/olm.xcodeproj/xcshareddata/xcschemes/OLMKitTests.xcscheme b/xcode/olm.xcodeproj/xcshareddata/xcschemes/OLMKitTests.xcscheme
new file mode 100644
index 0000000..300e62c
--- /dev/null
+++ b/xcode/olm.xcodeproj/xcshareddata/xcschemes/OLMKitTests.xcscheme
@@ -0,0 +1,90 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "0730"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "NO"
+            buildForArchiving = "NO"
+            buildForAnalyzing = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "D976E4461CB852E000F5C124"
+               BuildableName = "OLMKitTests.xctest"
+               BlueprintName = "OLMKitTests"
+               ReferencedContainer = "container:olm.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "D976E4461CB852E000F5C124"
+               BuildableName = "OLMKitTests.xctest"
+               BlueprintName = "OLMKitTests"
+               ReferencedContainer = "container:olm.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "D976E4461CB852E000F5C124"
+            BuildableName = "OLMKitTests.xctest"
+            BlueprintName = "OLMKitTests"
+            ReferencedContainer = "container:olm.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "D976E4461CB852E000F5C124"
+            BuildableName = "OLMKitTests.xctest"
+            BlueprintName = "OLMKitTests"
+            ReferencedContainer = "container:olm.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
diff --git a/xcode/olm.xcworkspace/contents.xcworkspacedata b/xcode/olm.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 0000000..3c8fe35
--- /dev/null
+++ b/xcode/olm.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:olm.xcodeproj">
+   </FileRef>
+   <FileRef
+      location = "group:Pods/Pods.xcodeproj">
+   </FileRef>
+</Workspace>