Upgrading dependencies and passing infer tests.

AxolotlKit.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "AxolotlKit"
-  s.version      = "0.6.3"
+  s.version      = "0.7"
   s.summary      = "AxolotlKit is a Free implementation of the Axolotl protocol in Objective-C"
   s.homepage     = "https://github.com/WhisperSystems/AxolotlKit"
   s.license      = "GPLv2"
@@ -13,7 +13,7 @@ Pod::Spec.new do |s|
   s.ios.deployment_target = "6.0"
   s.osx.deployment_target = "10.8"
   s.requires_arc = true
-  s.dependency   '25519',   '~> 1.9'
+  s.dependency   '25519',   '~> 2.0.1'
   s.dependency   'HKDFKit', '~> 0.0.3'
-  s.dependency   'ProtocolBuffers', '~> 1.9.7'
+  s.dependency   'ProtocolBuffers', '~> 1.9.8'
 end

AxolotlKit/Classes/Crypto/AES-CBC.m

@@ -34,7 +34,10 @@ +(NSData*)encryptCBCMode:(NSData*)data withKey:(NSData*)key withIV:(NSData*)iv{
                                           &bytesEncrypted);
 
     if (cryptStatus == kCCSuccess){
-        return [NSData dataWithBytesNoCopy:buffer length:bytesEncrypted];
+        NSData *data = [NSData dataWithBytes:buffer length:bytesEncrypted];
+        free(buffer);
+
+        return data;
     } else{
         free(buffer);
         @throw [NSException exceptionWithName:CipherException reason:@"We encountered an issue while encrypting." userInfo:nil];
@@ -55,7 +58,10 @@ +(NSData*) decryptCBCMode:(NSData*)data withKey:(NSData*)key withIV:(NSData*)iv
                                           &bytesDecrypted);
 
     if (cryptStatus == kCCSuccess) {
-        return [NSData dataWithBytesNoCopy:buffer length:bytesDecrypted];
+        NSData *plaintext = [NSData dataWithBytes:buffer length:bytesDecrypted];
+        free(buffer);
+
+        return plaintext;
     } else{
         free(buffer);
         @throw [NSException exceptionWithName:CipherException reason:@"We encountered an issue while decrypting." userInfo:nil];

AxolotlKit/Classes/Sessions/SessionBuilder.m

@@ -59,12 +59,14 @@ - (instancetype)initWithSessionStore:(id<SessionStore>)sessionStore
                             deviceId:(int)deviceId{
     self = [super init];
 
-    _sessionStore      = sessionStore;
-    _prekeyStore       = preKeyStore;
-    _signedPreKeyStore = signedPreKeyStore;
-    _identityStore     = identityKeyStore;
-    _recipientId       = recipientId;
-    _deviceId          = deviceId;
+    if (self) {
+        _sessionStore      = sessionStore;
+        _prekeyStore       = preKeyStore;
+        _signedPreKeyStore = signedPreKeyStore;
+        _identityStore     = identityKeyStore;
+        _recipientId       = recipientId;
+        _deviceId          = deviceId;
+    }
 
     return self;
 }

Podfile

@@ -2,6 +2,6 @@ platform :ios, '6.0'
 
 link_with ["AxolotlKit", "AxolotlKitTests"]
 
-pod '25519',           '~> 1.9', :inhibit_warnings => true
+pod '25519',           '~> 2.0.1', :inhibit_warnings => true
 pod 'HKDFKit',         '~> 0.0.3'
 pod 'ProtocolBuffers', '~> 1.9.7'

Podfile.lock

@@ -1,16 +1,16 @@
 PODS:
-  - 25519 (1.8)
+  - 25519 (2.0.1)
   - HKDFKit (0.0.3)
   - ProtocolBuffers (1.9.7)
 
 DEPENDENCIES:
-  - 25519 (~> 1.8)
+  - 25519 (~> 2.0.1)
   - HKDFKit (~> 0.0.3)
   - ProtocolBuffers (~> 1.9.7)
 
 SPEC CHECKSUMS:
-  25519: 601ffb5d258aa33d642062d6fa4096db210e02e7
-  HKDFKit: 5998cf1bbb611e7ecc6bd3eaaef8c7a7da7be949
-  ProtocolBuffers: 37fdd327d36856f965ea9029b5ec0c7120e3a452
+  '25519': cd3f6f0658ac9dd4f95d7fb906378e1d0649c46c
+  HKDFKit: c058305d6f64b84f28c50bd7aa89574625bcb62a
+  ProtocolBuffers: 0682a66dec85e5a45bd53a2f44b8b987a0ba845f
 
-COCOAPODS: 0.35.0
+COCOAPODS: 0.37.2