diff --git a/AltStore.xcodeproj/project.pbxproj b/AltStore.xcodeproj/project.pbxproj
index 2cd4f851..1835cf88 100644
--- a/AltStore.xcodeproj/project.pbxproj
+++ b/AltStore.xcodeproj/project.pbxproj
@@ -353,11 +353,14 @@
 		D55E163728776CB700A627A1 /* ComplicationView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D55E163528776CB000A627A1 /* ComplicationView.swift */; };
 		D5708417292448DA00D42D34 /* OperatingSystemVersion+Comparable.swift in Sources */ = {isa = PBXBuildFile; fileRef = D5708416292448DA00D42D34 /* OperatingSystemVersion+Comparable.swift */; };
 		D570841A2924680D00D42D34 /* OperatingSystemVersion+Comparable.swift in Sources */ = {isa = PBXBuildFile; fileRef = D5708416292448DA00D42D34 /* OperatingSystemVersion+Comparable.swift */; };
+		D561B2EB28EF5A4F006752E4 /* AltSign-Dynamic in Frameworks */ = {isa = PBXBuildFile; productRef = D561B2EA28EF5A4F006752E4 /* AltSign-Dynamic */; };
+		D561B2ED28EF5A4F006752E4 /* AltSign-Dynamic in Embed Frameworks */ = {isa = PBXBuildFile; productRef = D561B2EA28EF5A4F006752E4 /* AltSign-Dynamic */; settings = {ATTRIBUTES = (CodeSignOnCopy, ); }; };
 		D57DF638271E32F000677701 /* PatchApp.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = D57DF637271E32F000677701 /* PatchApp.storyboard */; };
 		D57DF63F271E51E400677701 /* ALTAppPatcher.m in Sources */ = {isa = PBXBuildFile; fileRef = D57DF63E271E51E400677701 /* ALTAppPatcher.m */; };
 		D57F2C9126E0070200B9FA39 /* EnableJITOperation.swift in Sources */ = {isa = PBXBuildFile; fileRef = D57F2C9026E0070200B9FA39 /* EnableJITOperation.swift */; };
 		D57F2C9426E01BC700B9FA39 /* UIDevice+Vibration.swift in Sources */ = {isa = PBXBuildFile; fileRef = D57F2C9326E01BC700B9FA39 /* UIDevice+Vibration.swift */; };
 		D57FE84428C7DB7100216002 /* ErrorLogViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D57FE84328C7DB7100216002 /* ErrorLogViewController.swift */; };
+		D586D39B28EF58B0000E101F /* AltTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = D586D39A28EF58B0000E101F /* AltTests.swift */; };
 		D58916FE28C7C55C00E39C8B /* LoggedError.swift in Sources */ = {isa = PBXBuildFile; fileRef = D58916FD28C7C55C00E39C8B /* LoggedError.swift */; };
 		D593F1942717749A006E82DE /* PatchAppOperation.swift in Sources */ = {isa = PBXBuildFile; fileRef = D593F1932717749A006E82DE /* PatchAppOperation.swift */; };
 		D5ACE84528E3B8450021CAB9 /* ClearAppCacheOperation.swift in Sources */ = {isa = PBXBuildFile; fileRef = D5ACE84428E3B8450021CAB9 /* ClearAppCacheOperation.swift */; };
@@ -370,6 +373,7 @@
 		D5E1E7C128077DE90016FC96 /* FetchTrustedSourcesOperation.swift in Sources */ = {isa = PBXBuildFile; fileRef = D5E1E7C028077DE90016FC96 /* FetchTrustedSourcesOperation.swift */; };
 		D5E3FB9828FDFAD90034B72C /* NSError+AltStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = BF6C336124197D700034FD24 /* NSError+AltStore.swift */; };
 		D5F2F6A92720B7C20081CCF5 /* PatchViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D5F2F6A82720B7C20081CCF5 /* PatchViewController.swift */; };
+		D5F5AF2E28FDD2EC00C938F5 /* TestErrors.swift in Sources */ = {isa = PBXBuildFile; fileRef = D5F5AF2D28FDD2EC00C938F5 /* TestErrors.swift */; };
 		D5F5AF7D28ECEA990067C736 /* ErrorDetailsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D5F5AF7C28ECEA990067C736 /* ErrorDetailsViewController.swift */; };
 		D5F99A1828D11DB500476A16 /* AltStore10ToAltStore11.xcmappingmodel in Sources */ = {isa = PBXBuildFile; fileRef = D5F99A1728D11DB500476A16 /* AltStore10ToAltStore11.xcmappingmodel */; };
 		D5F99A1A28D12B1400476A16 /* StoreApp10ToStoreApp11Policy.swift in Sources */ = {isa = PBXBuildFile; fileRef = D5F99A1928D12B1400476A16 /* StoreApp10ToStoreApp11Policy.swift */; };
@@ -528,6 +532,17 @@
 			name = "Embed App Extensions";
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		D561B2EC28EF5A4F006752E4 /* Embed Frameworks */ = {
+			isa = PBXCopyFilesBuildPhase;
+			buildActionMask = 2147483647;
+			dstPath = "";
+			dstSubfolderSpec = 10;
+			files = (
+				D561B2ED28EF5A4F006752E4 /* AltSign-Dynamic in Embed Frameworks */,
+			);
+			name = "Embed Frameworks";
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
@@ -886,6 +901,8 @@
 		D57F2C9026E0070200B9FA39 /* EnableJITOperation.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EnableJITOperation.swift; sourceTree = "<group>"; };
 		D57F2C9326E01BC700B9FA39 /* UIDevice+Vibration.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "UIDevice+Vibration.swift"; sourceTree = "<group>"; };
 		D57FE84328C7DB7100216002 /* ErrorLogViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ErrorLogViewController.swift; sourceTree = "<group>"; };
+		D586D39828EF58B0000E101F /* AltTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = AltTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
+		D586D39A28EF58B0000E101F /* AltTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AltTests.swift; sourceTree = "<group>"; };
 		D58916FD28C7C55C00E39C8B /* LoggedError.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LoggedError.swift; sourceTree = "<group>"; };
 		D593F1932717749A006E82DE /* PatchAppOperation.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PatchAppOperation.swift; sourceTree = "<group>"; };
 		D5ACE84428E3B8450021CAB9 /* ClearAppCacheOperation.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ClearAppCacheOperation.swift; sourceTree = "<group>"; };
@@ -897,6 +914,7 @@
 		D5DB145828F9DC1000A8F606 /* ALTLocalizedError.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ALTLocalizedError.swift; sourceTree = "<group>"; };
 		D5E1E7C028077DE90016FC96 /* FetchTrustedSourcesOperation.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FetchTrustedSourcesOperation.swift; sourceTree = "<group>"; };
 		D5F2F6A82720B7C20081CCF5 /* PatchViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PatchViewController.swift; sourceTree = "<group>"; };
+		D5F5AF2D28FDD2EC00C938F5 /* TestErrors.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TestErrors.swift; sourceTree = "<group>"; };
 		D5F5AF7C28ECEA990067C736 /* ErrorDetailsViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ErrorDetailsViewController.swift; sourceTree = "<group>"; };
 		D5F99A1728D11DB500476A16 /* AltStore10ToAltStore11.xcmappingmodel */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcmappingmodel; path = AltStore10ToAltStore11.xcmappingmodel; sourceTree = "<group>"; };
 		D5F99A1928D12B1400476A16 /* StoreApp10ToStoreApp11Policy.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StoreApp10ToStoreApp11Policy.swift; sourceTree = "<group>"; };
@@ -985,6 +1003,14 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		D586D39528EF58B0000E101F /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				D561B2EB28EF5A4F006752E4 /* AltSign-Dynamic in Frameworks */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
@@ -1847,6 +1873,15 @@
 			path = XPC;
 			sourceTree = "<group>";
 		};
+		D586D39928EF58B0000E101F /* AltTests */ = {
+			isa = PBXGroup;
+			children = (
+				D586D39A28EF58B0000E101F /* AltTests.swift */,
+				D5F5AF2D28FDD2EC00C938F5 /* TestErrors.swift */,
+			);
+			path = AltTests;
+			sourceTree = "<group>";
+		};
 		D589170128C7D93500E39C8B /* Error Log */ = {
 			isa = PBXGroup;
 			children = (
@@ -3443,6 +3478,58 @@
 			};
 			name = Release;
 		};
+		D586D39E28EF58B0000E101F /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++20";
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				DEBUG_INFORMATION_FORMAT = dwarf;
+				DEVELOPMENT_TEAM = 6XVY5G3U44;
+				GENERATE_INFOPLIST_FILE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
+				MACOSX_DEPLOYMENT_TARGET = 12.3;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.rileytestut.AltTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = auto;
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx";
+				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
+				SWIFT_EMIT_LOC_STRINGS = NO;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/AltStore.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/AltStore";
+			};
+			name = Debug;
+		};
+		D586D39F28EF58B0000E101F /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++20";
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = 6XVY5G3U44;
+				GENERATE_INFOPLIST_FILE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
+				MACOSX_DEPLOYMENT_TARGET = 12.3;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.rileytestut.AltTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = auto;
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx";
+				SWIFT_EMIT_LOC_STRINGS = NO;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/AltStore.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/AltStore";
+			};
+			name = Release;
+		};
 /* End XCBuildConfiguration section */
 
 /* Begin XCConfigurationList section */
diff --git a/AltStore.xcodeproj/xcshareddata/xcschemes/AltTests.xcscheme b/AltStore.xcodeproj/xcshareddata/xcschemes/AltTests.xcscheme
new file mode 100644
index 00000000..153dc179
--- /dev/null
+++ b/AltStore.xcodeproj/xcshareddata/xcschemes/AltTests.xcscheme
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1400"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+         <TestableReference
+            skipped = "NO"
+            parallelizable = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "D586D39728EF58B0000E101F"
+               BuildableName = "AltTests.xctest"
+               BlueprintName = "AltTests"
+               ReferencedContainer = "container:AltStore.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
diff --git a/AltStore.xcodeproj/xcshareddata/xcschemes/SideStore.xcscheme b/AltStore.xcodeproj/xcshareddata/xcschemes/SideStore.xcscheme
index b5d195f5..aa392e8e 100644
--- a/AltStore.xcodeproj/xcshareddata/xcschemes/SideStore.xcscheme
+++ b/AltStore.xcodeproj/xcshareddata/xcschemes/SideStore.xcscheme
@@ -28,6 +28,17 @@
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
+         <TestableReference
+            skipped = "NO"
+            parallelizable = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "D586D39728EF58B0000E101F"
+               BuildableName = "AltTests.xctest"
+               BlueprintName = "AltTests"
+               ReferencedContainer = "container:AltStore.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
       </Testables>
    </TestAction>
    <LaunchAction
diff --git a/AltTests/AltTests.swift b/AltTests/AltTests.swift
new file mode 100644
index 00000000..9fc9bcc8
--- /dev/null
+++ b/AltTests/AltTests.swift
@@ -0,0 +1,22 @@
+//
+//  AltTests.swift
+//  AltTests
+//
+//  Created by Riley Testut on 10/6/22.
+//  Copyright © 2022 Riley Testut. All rights reserved.
+//
+
+import XCTest
+
+final class AltTests: XCTestCase
+{
+    override func setUpWithError() throws
+    {
+        // Put setup code here. This method is called before the invocation of each test method in the class.
+    }
+
+    override func tearDownWithError() throws
+    {
+        // Put teardown code here. This method is called after the invocation of each test method in the class.
+    }
+}
diff --git a/AltTests/TestErrors.swift b/AltTests/TestErrors.swift
new file mode 100644
index 00000000..80386c51
--- /dev/null
+++ b/AltTests/TestErrors.swift
@@ -0,0 +1,7 @@
+//
+//  TestErrors.swift
+//  AltTests
+//
+//  Created by Riley Testut on 10/17/22.
+//  Copyright © 2022 Riley Testut. All rights reserved.
+//