From 2fde43b1fc85485ab50386837c3270a76d894e5b Mon Sep 17 00:00:00 2001
From: Davide De Rosa <keeshux@gmail.com>
Date: Tue, 6 Nov 2018 10:25:35 +0100
Subject: [PATCH] Keep tag length constants private

Also AD length in AEAD was an unresolved relic.
---
 TunnelKit/Sources/Core/CryptoAEAD.m | 2 +-
 TunnelKit/Sources/Core/CryptoCTR.h  | 2 --
 TunnelKit/Sources/Core/CryptoCTR.m  | 2 +-
 3 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/TunnelKit/Sources/Core/CryptoAEAD.m b/TunnelKit/Sources/Core/CryptoAEAD.m
index d5f4e06..7fc9c2a 100644
--- a/TunnelKit/Sources/Core/CryptoAEAD.m
+++ b/TunnelKit/Sources/Core/CryptoAEAD.m
@@ -43,7 +43,7 @@
 #import "Allocation.h"
 #import "Errors.h"
 
-const NSInteger CryptoAEADTagLength     = 16;
+static const NSInteger CryptoAEADTagLength = 16;
 
 @interface CryptoAEAD ()
 
diff --git a/TunnelKit/Sources/Core/CryptoCTR.h b/TunnelKit/Sources/Core/CryptoCTR.h
index a627078..451124f 100644
--- a/TunnelKit/Sources/Core/CryptoCTR.h
+++ b/TunnelKit/Sources/Core/CryptoCTR.h
@@ -30,8 +30,6 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
-extern const NSInteger CryptoCTRADLength;
-
 @interface CryptoCTR : NSObject <Encrypter, Decrypter>
 
 - (instancetype)initWithCipherName:(nullable NSString *)cipherName digestName:(NSString *)digestName;
diff --git a/TunnelKit/Sources/Core/CryptoCTR.m b/TunnelKit/Sources/Core/CryptoCTR.m
index d91ef42..5832fce 100644
--- a/TunnelKit/Sources/Core/CryptoCTR.m
+++ b/TunnelKit/Sources/Core/CryptoCTR.m
@@ -33,7 +33,7 @@
 #import "Allocation.h"
 #import "Errors.h"
 
-const NSInteger CryptoCTRTagLength      = 32;
+static const NSInteger CryptoCTRTagLength = 32;
 
 @interface CryptoCTR ()