[Issue #77] Clean up platform specific logic and remove unnecessary f…

BlueCryptor.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
 s.name        = "BlueCryptor"
-s.version     = "2.0.1"
+s.version     = "2.0.3"
 s.summary     = "Swift cross-platform crypto library using CommonCrypto/libcrypto via Package Manager."
 s.homepage    = "https://github.com/Kitura/BlueCryptor"
 s.license     = { :type => "Apache License, Version 2.0" }

Package.swift

@@ -32,20 +32,26 @@ var targetDependencies: [Target.Dependency] = []
 
 let package = Package(
     name: "Cryptor",
+    platforms: [
+        .macOS(.v10_11),
+        .iOS(.v10),
+        .tvOS(.v10),
+        .watchOS(.v2),
+    ],
     products: [
         // Products define the executables and libraries produced by a package, and make them visible to other packages.
         .library(
             name: "Cryptor",
             targets: ["Cryptor"]),
-        ],
+    ],
     dependencies: dependencies,
     targets: [
         .target(
             name: "Cryptor",
-            dependencies: targetDependencies,
-            exclude: ["Info.plist"]),
+            dependencies: targetDependencies),
         .testTarget(
             name: "CryptorTests",
             dependencies: ["Cryptor"]),
-    ]
+    ],
+    swiftLanguageVersions: [.v5]
 )

Sources/Cryptor/Crypto.swift

@@ -87,21 +87,12 @@ extension Data: CryptoDigest {
 
 		// This force unwrap may look scary but for CommonCrypto this cannot fail.
 	    // The API allows for optionals to support the OpenSSL implementation which can.
-		#if swift(>=5.0)
-			return self.withUnsafeBytes() {
-
-				let result = (Digest(using: algorithm).update(from: $0.baseAddress!, byteCount: self.count)?.final())!
-				let data = type(of: self).init(bytes: result, count: result.count)
-				return data
-			}
-		#else
-			return self.withUnsafeBytes() { (buffer: UnsafePointer<UInt8>) -> Data in
-
-				let result = (Digest(using: algorithm).update(from: buffer, byteCount: self.count)?.final())!
-    		    let data = type(of: self).init(bytes: result, count: result.count)
-				return data
-			}
-		#endif
+        return self.withUnsafeBytes() {
+
+            let result = (Digest(using: algorithm).update(from: $0.baseAddress!, byteCount: self.count)?.final())!
+            let data = type(of: self).init(bytes: result, count: result.count)
+            return data
+        }
     }
 }