Workaround for "NSString are not yet implicitly convertible to String" issue on Linux. #177

CryptoSwift.xcodeproj/project.pbxproj

@@ -14,6 +14,10 @@
 		674A736F1BF5D85B00866C5B /* RabbitTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 674A736E1BF5D85B00866C5B /* RabbitTests.swift */; };
 		75100F8F19B0BC890005C5F5 /* Poly1305Tests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 75100F8E19B0BC890005C5F5 /* Poly1305Tests.swift */; };
 		754BE46819693E190098E6F3 /* HashTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 754BE46719693E190098E6F3 /* HashTests.swift */; };
+		754C9D1B1C30800A0003D5FE /* String+LinuxFoundation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 754C9D1A1C30800A0003D5FE /* String+LinuxFoundation.swift */; };
+		754C9D1C1C30800A0003D5FE /* String+LinuxFoundation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 754C9D1A1C30800A0003D5FE /* String+LinuxFoundation.swift */; };
+		754C9D1D1C30800A0003D5FE /* String+LinuxFoundation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 754C9D1A1C30800A0003D5FE /* String+LinuxFoundation.swift */; };
+		754C9D1E1C30800A0003D5FE /* String+LinuxFoundation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 754C9D1A1C30800A0003D5FE /* String+LinuxFoundation.swift */; };
 		755FB1DA199E347D00475437 /* ExtensionsTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = 755FB1D9199E347D00475437 /* ExtensionsTest.swift */; };
 		757BC8FE1C1CA56A0093AAA9 /* AES+Foundation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 757BC8F71C1CA56A0093AAA9 /* AES+Foundation.swift */; };
 		757BC8FF1C1CA56A0093AAA9 /* AES+Foundation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 757BC8F71C1CA56A0093AAA9 /* AES+Foundation.swift */; };
@@ -271,6 +275,7 @@
 		754BE46019693E190098E6F3 /* CryptoSwiftTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = CryptoSwiftTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		754BE46619693E190098E6F3 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		754BE46719693E190098E6F3 /* HashTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HashTests.swift; sourceTree = "<group>"; };
+		754C9D1A1C30800A0003D5FE /* String+LinuxFoundation.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "String+LinuxFoundation.swift"; sourceTree = "<group>"; };
 		755FB1D9199E347D00475437 /* ExtensionsTest.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ExtensionsTest.swift; sourceTree = "<group>"; };
 		756BFDCA1A82B87300B9D9A4 /* Bridging.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Bridging.h; sourceTree = "<group>"; };
 		757BC8F71C1CA56A0093AAA9 /* AES+Foundation.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "AES+Foundation.swift"; sourceTree = "<group>"; };
@@ -477,6 +482,7 @@
 				757BC8FB1C1CA56A0093AAA9 /* Rabbit+Foundation.swift */,
 				757BC8FC1C1CA56A0093AAA9 /* String+FoundationExtension.swift */,
 				757BC8FD1C1CA56A0093AAA9 /* Utils+Foundation.swift */,
+				754C9D1A1C30800A0003D5FE /* String+LinuxFoundation.swift */,
 			);
 			name = Foundation;
 			path = Sources/CryptoSwift/Foundation;
@@ -706,6 +712,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				754C9D1C1C30800A0003D5FE /* String+LinuxFoundation.swift in Sources */,
 				757BC99D1C1CA5790093AAA9 /* PKCS7.swift in Sources */,
 				757BC9AD1C1CA5790093AAA9 /* SHA2.swift in Sources */,
 				757BC8FF1C1CA56A0093AAA9 /* AES+Foundation.swift in Sources */,
@@ -752,6 +759,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				754C9D1B1C30800A0003D5FE /* String+LinuxFoundation.swift in Sources */,
 				757BC99C1C1CA5790093AAA9 /* PKCS7.swift in Sources */,
 				757BC9AC1C1CA5790093AAA9 /* SHA2.swift in Sources */,
 				757BC9161C1CA56A0093AAA9 /* Utils+Foundation.swift in Sources */,
@@ -814,6 +822,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				754C9D1D1C30800A0003D5FE /* String+LinuxFoundation.swift in Sources */,
 				757BC99E1C1CA5790093AAA9 /* PKCS7.swift in Sources */,
 				757BC9AE1C1CA5790093AAA9 /* SHA2.swift in Sources */,
 				757BC9181C1CA56A0093AAA9 /* Utils+Foundation.swift in Sources */,
@@ -860,6 +869,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				754C9D1E1C30800A0003D5FE /* String+LinuxFoundation.swift in Sources */,
 				757BC99F1C1CA5790093AAA9 /* PKCS7.swift in Sources */,
 				757BC9AF1C1CA5790093AAA9 /* SHA2.swift in Sources */,
 				757BC9011C1CA56A0093AAA9 /* AES+Foundation.swift in Sources */,

Sources/CryptoSwift/Foundation/AES+Foundation.swift

@@ -10,7 +10,7 @@ import Foundation
 
 extension AES {
     convenience public init(key:String, iv:String, blockMode:CipherBlockMode = .CBC) throws {
-        guard let kkey = (key as NSString).dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)?.arrayOfBytes(), let iiv = (iv as NSString).dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)?.arrayOfBytes() else {
+        guard let kkey = key.bridge().dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)?.arrayOfBytes(), let iiv = iv.bridge().dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)?.arrayOfBytes() else {
             throw Error.InvalidKeyOrInitializationVector
         }
         

Sources/CryptoSwift/Foundation/ChaCha20+Foundation.swift

@@ -10,7 +10,7 @@ import Foundation
 
 extension ChaCha20 {
     convenience public init?(key:String, iv:String) {
-        guard let kkey = (key as NSString).dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)?.arrayOfBytes(), let iiv = (iv as NSString).dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)?.arrayOfBytes() else {
+        guard let kkey = key.bridge().dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)?.arrayOfBytes(), let iiv = iv.bridge().dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)?.arrayOfBytes() else {
             return nil
         }
         self.init(key: kkey, iv: iiv)

Sources/CryptoSwift/Foundation/Rabbit+Foundation.swift

@@ -10,7 +10,7 @@ import Foundation
 
 extension Rabbit {
     convenience public init?(key: String) {
-        guard let kkey = (key as NSString).dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)?.arrayOfBytes() else {
+        guard let kkey = key.bridge().dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)?.arrayOfBytes() else {
             return nil
         }
         self.init(key: kkey)
@@ -18,8 +18,8 @@ extension Rabbit {
     }
     
     convenience public init?(key: String, iv: String) {
-        guard let kkey = (key as NSString).dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)?.arrayOfBytes(),
-            let iiv = (iv as NSString).dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)?.arrayOfBytes()
+        guard let kkey = key.bridge().dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)?.arrayOfBytes(),
+            let iiv = iv.bridge().dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)?.arrayOfBytes()
             else {
                 return nil
         }

Sources/CryptoSwift/Foundation/String+LinuxFoundation.swift

@@ -0,0 +1,19 @@
+//
+//  String+LinuxFoundation.swift
+//  CryptoSwift
+//
+//  Created by Marcin Krzyzanowski on 27/12/15.
+//  Copyright © 2015 Marcin Krzyzanowski. All rights reserved.
+//
+
+import Foundation
+
+// Workaround:
+// https://github.com/krzyzanowskim/CryptoSwift/issues/177
+extension String {
+#if !os(Linux)
+    func bridge() -> NSString {
+        return self as NSString
+    }
+#endif
+}