diff --git a/xcode/OLMKit/OLMPkDecryption.h b/xcode/OLMKit/OLMPkDecryption.h
index 8715a99..823dc78 100644
--- a/xcode/OLMKit/OLMPkDecryption.h
+++ b/xcode/OLMKit/OLMPkDecryption.h
@@ -59,6 +59,13 @@ NS_ASSUME_NONNULL_BEGIN
  */
 - (NSString *)decryptMessage:(OLMPkMessage*)message error:(NSError* _Nullable *)error;
 
+/**
+ Private key length.
+
+ @return the length in bytes.
+ */
++ (NSUInteger)privateKeyLength;
+
 @end
 
 NS_ASSUME_NONNULL_END
diff --git a/xcode/OLMKit/OLMPkDecryption.m b/xcode/OLMKit/OLMPkDecryption.m
index 75fe5f2..4af2c71 100644
--- a/xcode/OLMKit/OLMPkDecryption.m
+++ b/xcode/OLMKit/OLMPkDecryption.m
@@ -130,7 +130,7 @@
     return privateKey;
 }
 
--(NSString *)decryptMessage:(OLMPkMessage *)message error:(NSError *__autoreleasing  _Nullable *)error {
+- (NSString *)decryptMessage:(OLMPkMessage *)message error:(NSError *__autoreleasing  _Nullable *)error {
     NSData *messageData = [message.ciphertext dataUsingEncoding:NSUTF8StringEncoding];
     NSData *macData = [message.mac dataUsingEncoding:NSUTF8StringEncoding];
     NSData *ephemeralKeyData = [message.ephemeralKey dataUsingEncoding:NSUTF8StringEncoding];
@@ -189,6 +189,10 @@
     return plaintext;
 }
 
++ (NSUInteger)privateKeyLength {
+    return olm_pk_private_key_length();
+}
+
 #pragma mark OLMSerializable
 
 /** Initializes from encrypted serialized data. Will throw error if invalid key or invalid base64. */
diff --git a/xcode/OLMKit/OLMPKEncryption.h b/xcode/OLMKit/OLMPkEncryption.h
similarity index 94%
rename from xcode/OLMKit/OLMPKEncryption.h
rename to xcode/OLMKit/OLMPkEncryption.h
index a55d5bc..6ae767c 100644
--- a/xcode/OLMKit/OLMPKEncryption.h
+++ b/xcode/OLMKit/OLMPkEncryption.h
@@ -5,7 +5,7 @@
  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-2.0OLMPKEncryption
+ 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.
diff --git a/xcode/OLMKit/OLMPKEncryption.m b/xcode/OLMKit/OLMPkEncryption.m
similarity index 100%
rename from xcode/OLMKit/OLMPKEncryption.m
rename to xcode/OLMKit/OLMPkEncryption.m
diff --git a/xcode/Podfile.lock b/xcode/Podfile.lock
index ecafd79..e9099c4 100644
--- a/xcode/Podfile.lock
+++ b/xcode/Podfile.lock
@@ -1,20 +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)
+  - OLMKit (2.3.0):
+    - OLMKit/olmc (= 2.3.0)
+    - OLMKit/olmcpp (= 2.3.0)
+  - OLMKit/olmc (2.3.0)
+  - OLMKit/olmcpp (2.3.0)
 
 DEPENDENCIES:
   - OLMKit (from `../OLMKit.podspec`)
 
 EXTERNAL SOURCES:
   OLMKit:
-    :path: ../OLMKit.podspec
+    :path: "../OLMKit.podspec"
 
 SPEC CHECKSUMS:
-  OLMKit: 12a35a69f92c7facdd50b559128d1b4a17857ba7
+  OLMKit: 6af55a19917c35f86df5198c213979ecdf8ba76e
 
 PODFILE CHECKSUM: 4e261dae61d833ec5585ced2473023b98909fd35
 
-COCOAPODS: 1.1.1
+COCOAPODS: 1.6.0.beta.2