diff --git a/.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata b/.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 0000000..919434a
--- /dev/null
+++ b/.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>
diff --git a/.swiftpm/xcode/package.xcworkspace/xcuserdata/benjamintincher@pgatourhq.com.xcuserdatad/UserInterfaceState.xcuserstate b/.swiftpm/xcode/package.xcworkspace/xcuserdata/benjamintincher@pgatourhq.com.xcuserdatad/UserInterfaceState.xcuserstate
new file mode 100644
index 0000000..4f76eff
Binary files /dev/null and b/.swiftpm/xcode/package.xcworkspace/xcuserdata/benjamintincher@pgatourhq.com.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/.swiftpm/xcode/xcuserdata/benjamintincher@pgatourhq.com.xcuserdatad/xcschemes/xcschememanagement.plist b/.swiftpm/xcode/xcuserdata/benjamintincher@pgatourhq.com.xcuserdatad/xcschemes/xcschememanagement.plist
new file mode 100644
index 0000000..db691ab
--- /dev/null
+++ b/.swiftpm/xcode/xcuserdata/benjamintincher@pgatourhq.com.xcuserdatad/xcschemes/xcschememanagement.plist
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>SchemeUserState</key>
+	<dict>
+		<key>CryptorECC.xcscheme_^#shared#^_</key>
+		<dict>
+			<key>orderHint</key>
+			<integer>0</integer>
+		</dict>
+	</dict>
+</dict>
+</plist>
diff --git a/Package@swift-4.0.swift b/Package@swift-4.0.swift
index 72358bd..61dd5ed 100644
--- a/Package@swift-4.0.swift
+++ b/Package@swift-4.0.swift
@@ -22,7 +22,7 @@ import PackageDescription
 
 var targetDependencies: [Target.Dependency] = []
 
-#if os(macOS) || os(iOS) || os(tvOS) || os(watchOS)
+#if !os(Linux)
 
     let CryptoLibUrl = "https://github.com/Kitura/CommonCrypto.git"
     let CryptoLibVersion: Package.Dependency.Requirement = .upToNextMajor(from: "1.0.200")
diff --git a/Package@swift-4.1.swift b/Package@swift-4.1.swift
index 72358bd..61dd5ed 100644
--- a/Package@swift-4.1.swift
+++ b/Package@swift-4.1.swift
@@ -22,7 +22,7 @@ import PackageDescription
 
 var targetDependencies: [Target.Dependency] = []
 
-#if os(macOS) || os(iOS) || os(tvOS) || os(watchOS)
+#if !os(Linux)
 
     let CryptoLibUrl = "https://github.com/Kitura/CommonCrypto.git"
     let CryptoLibVersion: Package.Dependency.Requirement = .upToNextMajor(from: "1.0.200")
diff --git a/Sources/CryptorECC/ECDecryptable.swift b/Sources/CryptorECC/ECDecryptable.swift
index 2a95bff..303efca 100644
--- a/Sources/CryptorECC/ECDecryptable.swift
+++ b/Sources/CryptorECC/ECDecryptable.swift
@@ -15,7 +15,7 @@
 
 import Foundation
 
-#if os(macOS) || os(iOS) || os(tvOS) || os(watchOS)
+#if !os(Linux)
 import CommonCrypto
 #elseif os(Linux)
 import OpenSSL
diff --git a/Sources/CryptorECC/ECEncryptable.swift b/Sources/CryptorECC/ECEncryptable.swift
index 2c6a515..33395be 100644
--- a/Sources/CryptorECC/ECEncryptable.swift
+++ b/Sources/CryptorECC/ECEncryptable.swift
@@ -15,7 +15,7 @@
 
 import Foundation
 
-#if os(macOS) || os(iOS) || os(tvOS) || os(watchOS)
+#if !os(Linux)
 import CommonCrypto
 #elseif os(Linux)
 import OpenSSL
diff --git a/Sources/CryptorECC/ECPrivateKey.swift b/Sources/CryptorECC/ECPrivateKey.swift
index 4091cf3..b6301ec 100644
--- a/Sources/CryptorECC/ECPrivateKey.swift
+++ b/Sources/CryptorECC/ECPrivateKey.swift
@@ -13,7 +13,7 @@
 //     limitations under the License.
 //
 import Foundation
-#if os(macOS) || os(iOS) || os(tvOS) || os(watchOS)
+#if !os(Linux)
 import CommonCrypto
 #elseif os(Linux)
 import OpenSSL
diff --git a/Sources/CryptorECC/ECPublicKey.swift b/Sources/CryptorECC/ECPublicKey.swift
index 4189b00..3b9a617 100644
--- a/Sources/CryptorECC/ECPublicKey.swift
+++ b/Sources/CryptorECC/ECPublicKey.swift
@@ -14,7 +14,7 @@
 //
 
 import Foundation
-#if os(macOS) || os(iOS) || os(tvOS) || os(watchOS)
+#if !os(Linux)
 import CommonCrypto
 #elseif os(Linux)
 import OpenSSL
diff --git a/Sources/CryptorECC/ECSignable.swift b/Sources/CryptorECC/ECSignable.swift
index 194ca48..6591737 100644
--- a/Sources/CryptorECC/ECSignable.swift
+++ b/Sources/CryptorECC/ECSignable.swift
@@ -15,7 +15,7 @@
 
 import Foundation
 
-#if os(macOS) || os(iOS) || os(tvOS) || os(watchOS)
+#if !os(Linux)
 import CommonCrypto
 #elseif os(Linux)
 import OpenSSL
diff --git a/Sources/CryptorECC/ECSignature.swift b/Sources/CryptorECC/ECSignature.swift
index 143427b..0f5a9a6 100644
--- a/Sources/CryptorECC/ECSignature.swift
+++ b/Sources/CryptorECC/ECSignature.swift
@@ -15,7 +15,7 @@
 
 import Foundation
 
-#if os(macOS) || os(iOS) || os(tvOS) || os(watchOS)
+#if !os(Linux)
 import CommonCrypto
 #elseif os(Linux)
 import OpenSSL
diff --git a/Sources/CryptorECC/EllipticCurve.swift b/Sources/CryptorECC/EllipticCurve.swift
index 004cc7e..a994050 100644
--- a/Sources/CryptorECC/EllipticCurve.swift
+++ b/Sources/CryptorECC/EllipticCurve.swift
@@ -15,7 +15,7 @@
 
 import Foundation
 
-#if os(macOS) || os(iOS) || os(tvOS) || os(watchOS)
+#if !os(Linux)
     import CommonCrypto
 #elseif os(Linux)
     import OpenSSL