Demystify code signing and its importance in app development. Get help troubleshooting code signing issues and ensure your app is properly signed for distribution.

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NSTask launchRequirementData
I've noticed that NSTaks has this property as of macOS 14.4 @property (nullable, copy) NSData *launchRequirementData API_AVAILABLE(macos(14.4)) API_UNAVAILABLE(ios, watchos, tvos, visionos); It has no documentation whatsoever. Even google search has no clue. Does this have anything to do with code signature requirements validation? Any explanations and examples would be appreciated!
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Code Signing Python Libraries
I am trying to code sign an application which relies on many python libraries to run. For background knowledge, the .app was created with a —onefile command on Visual Studio. I code signed my application itself using codesign --deep --force --verify --timestamp --sign "Developer ID Application: Issey Yohannes (GL5BCCW69X)" /Users/isseyyohannes/Desktop/Automated\ ALGORA.app However, when I try to run the application the error shows in terminal as follows [PYI-16345:ERROR] Failed to load Python shared library '/var/folders/g9/2zbc7y_97xxbq7bnc301nnyc0000gn/T/_MEI6keRcA/Python': dlopen: dlopen(/var/folders/g9/2zbc7y_97xxbq7bnc301nnyc0000gn/T/_MEI6keRcA/Python, 10): no suitable image found. Did find: /var/folders/g9/2zbc7y_97xxbq7bnc301nnyc0000gn/T/_MEI6keRcA/Python: code signature in (/var/folders/g9/2zbc7y_97xxbq7bnc301nnyc0000gn/T/_MEI6keRcA/Python) not valid for use in process using Library Validation: mapped file has no Team ID and is not a platform binary (signed with custom identity or adhoc?) /var/folders/g9/2zbc7y_97xxbq7bnc301nnyc0000gn/T/_MEI6keRcA/Python: stat() failed with errno=1 Through some external tools, I was able to narrow the issue as follows Hardened Runtime Restriction: Your application is attempting to load a shared library (Python) at runtime, but the library is either: Not properly signed with the same Team ID as your app. Not marked as a valid platform binary. macOS requires all loaded libraries to comply with its code-signing and runtime security policies. Any insight is much appreciated.
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App Startup Issues after Upgrade to MacOS Sequoia
Short description of the issue/suggestion: After upgrading to MacOS Sequoia and being required to code sign and notarize my app, cannot launch app even though code sign and notarization pass Please tell us about your environment: MacBookPro Chip Apple M2 Max 32 GB JavaPackager version: 1.7.6 OS version: macOS Sequoia 15.0.1 JDK version: jdk-1.8 Build tool: Maven Steps to reproduce the issue: -DMG Maven Build of Spring Boot /Java (version 8) application with "fvarrui" JavaPackager plugin using default universalJavaApplicationStub. Code signing and Notarization / Stapling PASS and App installs in Application folder, however cannot launch App. Although code sign and notarization pass, it is interesting that in the build output, prior to it submitting to Apple, there is an error stating that the App code sign could not be replaced. What is the expected behavior? -App launches when double clicking the application icon What have you tried to resolve / workaround the issue? -Install via package rather than DMG - same result -Can launch App by opening up the app Content/MacOS folder and clicking directly on the universalJavaApplicationStub. Note requires that you allow it to run within the Security and Privacy settings. codesign --verify --deep --verbose force1.app force1.app: valid on disk force1.app: satisfies its Designated Requirement spctl -a -vvv force1.app Info.plist.txt pom.xml.txt f Build Output abridged.txt o SysConsoleOutput.txt r ce1.app: accepted source=Notarized Developer ID origin=Developer ID Application: Neal Hartmann (JPFYU53MK9)
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dlopen on development iPhone codesign issue
Hi, For the purposes of iteration speed in development builds, on an iPhone in development mode, I am attempting to use hot reloaded dylibs. The goal is that the app is rarely fully restarted and small code changes can be applied quickly, drastically reducing iteration speed. For this purpose I have a socket server on my Mac that sends changed dylibs to my app on my iPhone. This works great on Mac, however on iOS i am running into codesigning problems. I am using the following to codesign the dylib: codesign -f -s *** --timestamp=none testlibrary-ios.dylib I am placing the downloaded dylib in this folder: const char* cachedirectoryPath = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES)[0] UTF8String]; dlopen gives me the following error: dlopen(/var/mobile/Containers/Data/Application/67A3D31B-6F72-4939-9E7F-665FC78CDC61/Library/Caches/testlibrary-ios.dylib, 0x000A): tried: '/usr/lib/system/introspection/testlibrary-ios.dylib' (no such file, not in dyld cache), '/var/mobile/Containers/Data/Application/67A3D31B-6F72-4939-9E7F-665FC78CDC61/Library/Caches/testlibrary-ios.dylib' (code signature invalid in <78A101AD-D756-3526-8754-8B7F4925DE90> '/private/var/mobile/Containers/Data/Application/67A3D31B-6F72-4939-9E7F-665FC78CDC61/Library/Caches/testlibrary-ios.dylib' (errno=1) sliceOffset=0x00000000, codeBlobOffset=0x0000C2E0, codeBlobSize=0x00004990), .... Is loading a dylib like this on iPhones in development mode possible? Any idea what is going wrong with codesigning or installing the dylib? (Obviously this code is never deployed in an app that goes on the AppStore)
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codesign error - No such file or directory
I'm having a problem with codesign for output from Pyinstaller The files are in ~/PycharmProjects/ALP_Document_Factory_II That folder contains the icon file, the entitlement file, and also contains a "dist" folder where Pyinstaller places the app file (ALP_Document_Factory_II.app) The generated app works and runs when I double click it. When I run codesign: codesign -s xxxxxxxx -f --entitlements entitlements.plist -o runtime dist/ALP_Document_Factory_II.app ("xxxxxxx" is where I place the hash of my credential) I get the following error message: No such file or directory Here is the Terminal copy... minus my Hash dickl45@Dicks-iMac3 ALP_Document_Factory_II % codesign -s xxxxxxxxxx -f --entitlements entitlements.plist -o runtime dist/ALP_Document_Factory_II.app dist/ALP_Document_Factory_II.app: No such file or directory Earlier I was able to use codesign and notarytool, but I must be doing something wrong that I can't see. Yours baffled MacOs 15.2
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Auditing code signatures
We are trying to get much more serious about our ability to audit signed code and trace it back to a signing event. We have a signing service that includes a bit of client code that provides a CryptoTokenKit extension to expose the signing certificate to codesign and Xcode. The private keys are held by the signing service and access is strictly controlled. The CTK extension is given a message/digest to sign, and from reading TN 3126, I believe this is representative of the code directory. For an audit trail, we can record some metadata about the signing request, such as Git repository, branch, commit SHA, etc., but the only value linked to the thing being signed is this blob. Later, if we have an app and want to link it back to the signing event, I can't figure out how to find this blob. It's not the CDHash or any other value I see in the output of codesign -d -vvvvvv. is there a way to recreate that blob given a signed artifact?
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Provisioning profile problem
Hi, I know my swiftui, but I'm completely new to macOS development. Using Xcode 16.2 I wrote a backup app that fits my needs. I got it to use iCloud Documents in its own container. It runs beautifully on my developing Mac. When I copy it over to my other Mac and try to open it, I just get a message that macOS can't open the app ("Das Programm kann nicht geöffnet werden") In terminal I get this message: "embedded provisioning profile not valid: file:///Users/niko/FlexBackup.app/Contents/embedded.provisionprofile error: Error Domain=CPProfileManager Code=-212 "Provisioning profile does not allow this device." I have "automatically manage signing" turned on and a Xcode Managed Profile. How can I run my app on all of y Macs?
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Constantly getting the same error
Hi, I am a newbie to this, I am trying to build my own ios phone app. I am using my own phone as the developers phone so its set to debug. Using Flutter I do flutter run. it get so far and always stops on : Could not build the precompiled application for the device. Error (Xcode): Unknown platform: "ios". /Users/admin/group2/ios/Runner/Assets.xcassets Error launching application on iPhone XS Max. I have tried everything, so I thought someone on here might have the answer. I am happy to share any files or anything that you might need to recreate the issue.
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can anybody fix this code
from; tkinter; import * from; tkinter; import ttk import random import time import sqlite3 #Connect; to; the; database (create, if it doesnot exist) conn = sqlite3.connect("quiz_database.db") c = conn.cursor() Create the table if it doesnot exist c.execute(""'CREATE TABLE IF NOT EXISTS questions (id INTEGER PRIMARY KEY AUTOINCREMENT, question TEXT, answer1 TEXT, answer2 TEXT, correct_answer INTEGER)""') conn.commit() Sample data (replace with your own questions) sample_questions = [ ("Is the Earth flat?", "True", "False", 2), ("Do birds fly?", "True", "False", 1), ("Is water wet?", "True", "False", 1), ("Can humans breathe underwater?", "True", "False", 2), ] c.executemany("INSERT OR IGNORE INTO questions (question, answer1, answer2, correct_answer) VALUES (?, ?, ?, ?)", sample_questions) conn.commit() class QuizApp: def init(self, master): self.master = master master.title("True/False Quiz") # Initialize variables self.questions = [] self.current_question = 0 self.score = 0 self.start_time = 0 self.time_limit = 60 # Time limit in seconds # Get questions from the database self.load_questions() # Create GUI elements self.question_label = Label(master, text="", font=("Arial", 16)) self.question_label.pack(pady=20) self.true_button = Button(master, text="True", command=lambda: self.check_answer(1), width=15) self.true_button.pack(side=LEFT, padx=10) self.false_button = Button(master, text="False", command=lambda: self.check_answer(2), width=15) self.false_button.pack(side=RIGHT, padx=10) self.feedback_label = Label(master, text="", font=("Arial", 12)) self.feedback_label.pack(pady=10) self.timer_label = Label(master, text="Time Left: 60s", font=("Arial", 12)) self.timer_label.pack() self.progress_bar = ttk.Progressbar(master, orient=HORIZONTAL, length=200, mode="determinate") self.progress_bar.pack(pady=10) self.start_quiz() def load_questions(self): c.execute("SELECT * FROM questions") self.questions = c.fetchall() random.shuffle(self.questions) def start_quiz(self): self.start_time = time.time() self.display_question() self.update_timer() def display_question(self): if self.current_question < len(self.questions): question = self.questions[self.current_question] self.question_label.config(text=question[1]) # Display the question self.progress_bar["maximum"] = len(self.questions) self.progress_bar["value"] = self.current_question + 1 # Update progress bar def check_answer(self, selected_answer): correct_answer = self.questions[self.current_question][4] if selected_answer == correct_answer: self.feedback_label.config(text="Correct!", fg="green") self.score += 1 else: self.feedback_label.config(text="Incorrect!", fg="red") self.current_question += 1 if self.current_question < len(self.questions): self.display_question() else: self.end_quiz() def update_timer(self): elapsed_time = time.time() - self.start_time remaining_time = self.time_limit - elapsed_time if remaining_time > 0: self.timer_label.config(text=f"Time Left: {int(remaining_time)}s") self.master.after(1000, self.update_timer) else: self.end_quiz() def end_quiz(self): self.true_button.config(state=DISABLED) self.false_button.config(state=DISABLED) self.feedback_label.config(text=f"Quiz Over! Your score: {self.score}/{len(self.questions)}") Run the application root = Tk() app = QuizApp(root) root.mainloop() Close the database connection conn.close()
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App Fails to Launch on Another Mac with Error -10810 After Codesign and Notarization
I exported an app from an Xcode project using the "Archive" feature. After signing and notarizing it, the app runs normally on my local machine. However, after packaging it with create-dmg or ditto and distributing it to another Mac, I get an error saying the application cannot run. When I execute the command open ***.app in Terminal, it shows _LSOpenURLsWithCompletionHandler() failed for the application /Applications/Maxi PC Suite.app with error -10810. Does anyone know why this is happening? codesign and notarization info: codesign -vvv Maxi\ PC\ Suite.app ...... Maxi PC Suite.app: valid on disk Maxi PC Suite.app: satisfies its Designated Requirement syspolicy_check distribution Maxi\ PC\ Suite.app App passed all pre-distribution checks and is ready for distribution.
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Dec ’24
When starting a process on macOS Sequoia, it gets terminated by the kernel.
I have an executable file named infogodesk, located in the directory /usr/local/SmpAgent/rustdesk/infogodesk. When I execute it using the terminal with ./infogodesk, the process gets terminated by the kernel. However, if I move the executable to another directory, it works fine. This issue is very frustrating, and I hope to get some help. Below is the console log output: 默认 11:26:28.162205+0800 kernel ASP: Validation category (6) does not match top-level policy match (3) for process: /usr/local/SmpAgent/rustdesk/infogodesk 默认 11:26:28.162211+0800 kernel Validation category policy: Notifying syspolicyd about /usr/local/SmpAgent/rustdesk/infogodesk with PID 88264 默认 11:26:28.166695+0800 kernel CODE SIGNING: cs_invalid_page(0x104e04000): p=88264[infogodesk] final status 0x23000200, denying page sending SIGKILL 默认 11:26:28.166698+0800 kernel CODE SIGNING: process 88264[infogodesk]: rejecting invalid page at address 0x104e04000 from offset 0x0 in file "/usr/local/SmpAgent/rustdesk/infogodesk" (cs_mtime:1734509326.0 == mtime:1734509326.0) (depth:0) 默认 11:26:28.166738+0800 kernel infogodesk[88264] Corpse allowed 1 of 5 默认 11:26:28.255182+0800 ReportCrash ASI found [ReportCrash] (sensitive) 'Pid 88264 'infogodesk' CORPSE: Extracting Completed 1, Recent: Pid 86766 'ReportCrash' CORPSE' 默认 11:26:28.261619+0800 ReportCrash ASI found [ReportCrash] (sensitive) 'Pid 88264 'infogodesk' CORPSE: Extracting Completed 1, Recent: Pid 86767 'ReportCrash' CORPSE'
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Dec ’24
Stripping protections to allow lldb debugging
Chrome has started crashing almost immediately after startup. I've reported the issue to the Chrome team here: https://issues.chromium.org/issues/385433270 I'm hoping to debug the issue a bit more myself. This page from the Chrome team https://chromium.googlesource.com/chromium/src/+/master/docs/mac/debugging.md#chrome-builds suggests using the follow to strip off the protections: codesign --force --sign - path/to/Google\ Chrome.app However, applying that seems to have no effect: % codesign --force --sign - /Applications/Google\ Chrome\ copy.app /Applications/Google Chrome copy.app: replacing existing signature /Applications/Google Chrome copy.app: resource fork, Finder information, or similar detritus not allowed % lldb /Applications/Google\ Chrome\ copy.app (lldb) target create "/Applications/Google Chrome copy.app" Current executable set to '/Applications/Google Chrome copy.app' (arm64). (lldb) run error: process exited with status -1 (attach failed (Not allowed to attach to process. Look in the console messages (Console.app), near the debugserver entries, when the attach failed. The subsystem that denied the attach permission will likely have logged an informative message about why it was denied.)) I have tried other variations like the following based on Stack Overflow, this forum, etc., but with the same result. (I'm still a little vague on the meaning for some flags, sorry.) Though codesign says that it's "replacing existing signature", as far as I can tell, nothing is changing: % cat <<EOF > debuggee-entitlement.xml <?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>com.apple.security.get-task-allow</key> <true/> </dict> </plist> EOF % codesign --verbose=4 -fs - --options library-validation --entitlements debuggee-entitlement.xml /Applications/Google\ Chrome\ copy.app /Applications/Google Chrome copy.app: replacing existing signature /Applications/Google Chrome copy.app: resource fork, Finder information, or similar detritus not allowed file with invalid attached data: Disallowed xattr com.apple.FinderInfo found on /Applications/Google Chrome copy.app lldb still fails the same way. Here's what I see after the above: % codesign -d -vvv /Applications/Google\ Chrome\ copy.app Executable=/Applications/Google Chrome copy.app/Contents/MacOS/Google Chrome Identifier=com.google.Chrome Format=app bundle with Mach-O universal (x86_64 arm64) CodeDirectory v=20500 size=1821 flags=0x12a00(kill,restrict,library-validation,runtime) hashes=46+7 location=embedded Hash type=sha256 size=32 CandidateCDHash sha256=5d7beab2b03d9892426076b24acc19815d7a3ff8 CandidateCDHashFull sha256=5d7beab2b03d9892426076b24acc19815d7a3ff8c1446966e422c3c10672626b Hash choices=sha256 CMSDigest=5d7beab2b03d9892426076b24acc19815d7a3ff8c1446966e422c3c10672626b CMSDigestType=2 CDHash=5d7beab2b03d9892426076b24acc19815d7a3ff8 Signature size=8989 Authority=Developer ID Application: Google LLC (EQHXZ8M8AV) Authority=Developer ID Certification Authority Authority=Apple Root CA Timestamp=Dec 17, 2024 at 2:47:58 PM Notarization Ticket=stapled Info.plist entries=44 TeamIdentifier=EQHXZ8M8AV Runtime Version=15.0.0 Sealed Resources version=2 rules=13 files=63 Internal requirements count=1 size=288 From what I can tell, my codesign runs have changed nothing... I see no diff as compared with what I see running codesign -d on a fresh copy. Is it possible to strip off the protections on my local instance to allow debugging with lldb? If so, could someone share a command for accomplishing that? Although I'm asking about this because of Chrome specifically, I'm hoping to learn more about codesigning in general and to be more empowered as a user to be able to debug when an app I depend on is crashing. Thanks much! Happy Holidays!
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Dec ’24
Xcode 16.2 無法在IOS 18.2 Debug
Xcode 16.2 無法在IOS 18.2 Debug Xcode 16.2 iOS 18.2 直接建立新專案 Xcode -> Create New Project -> Multiplatform -> Application -> App 選擇 實體手機 -> 執行 error: attach by pid '1050' failed -- attach failed (Not allowed to attach to process. Look in the console messages (Console.app), near the debugserver entries, when the attach failed. The subsystem that denied the attach permission will likely have logged an informative message about why it was denied.) Logging Error: Failed to initialize logging system due to time out. Log messages may be missing. If this issue persists, try setting IDEPreferLogStreaming=YES in the active scheme actions environment variables.
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Dec ’24
SHA256 Hash - no example code
note technically code-signing but related...... Why has there been no update to the documentation at: https://developer.apple.com/documentation/appstorereceipts/validating_receipts_on_the_device To demonstrate how to validate an SHA256 app store hash ??? The January deadline is looming and I can find no working example code which sucessfully validates an SHA256 hash HELP !!!!
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Dec ’24
Unable to load my enterprise application in iOS 18 and above
We have an enterprise application which customers are using since long. Suddenly some customers have reported they are unable to open app in iOS 18 OS. On lower versions like 17 it is working fine. We have a deploy this enterprise application on our server from that link our customer can download and install the app in iPhone. Now they are blocked due to this error. After installing the app when they open app below error message is shown to them. "AppName" is no longer available.
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Dec ’24