signing

Uploading archive error: “Missing iOS Distribution signing identity for …”

The issue is because the Apple WWDRCA expired today (Feb 14, 2016): https://developer.apple.com/support/certificates/expiration/ Open Keychain Access, and in the menu, click View -> Show Expired Certificates. Then, delete the expired Apple Worldwide Developer Relations Certificate Authority from both the login and System Keychains. Install the renewed certificate from Apple by downloading from https://developer.apple.com/certificationauthority/AppleWWDRCA.cer and then … Read more

How to retrieve Key Alias and Key Password for signed APK in android studio(migrated from Eclipse)

On the Mac, I found the keystore file path, password, key alias and key password in an earlier log report before I updated Android Studio. I launched the Console utility and scrolled down to ~/Library/Logs -> AndroidStudioBeta ->idea.log.1 (or any old log number) Then I searched for “android.injected.signing.store” and found this from an earlier date: … Read more

Android in app purchase: Signature verification failed

This problem is still going on in the current Google billing version. Basically the android.test.purchased is broken; After you buy android.test.purchased the verifyPurchase function in Security.java will always fail and the QueryInventoryFinishedListener will stop at the line if (result.isFailure()); this is because the android.test.purchased item always fails the TextUtils.isEmpty(signature) check in Security.java as it is … Read more

Difference between signature versions – V1 (Jar Signature) and V2 (Full APK Signature) while generating a signed APK in Android Studio?

It is a new signing mechanism introduced in Android 7.0, with additional features designed to make the APK signature more secure. It is not mandatory. You should check BOTH of those checkboxes if possible, but if the new V2 signing mechanism gives you problems, you can omit it. So you can just leave V2 unchecked … Read more

Signing and verifying signatures with RSA C#

Your problem is at the beginning of the VerifyData method: public static bool VerifyData(string originalMessage, string signedMessage, RSAParameters publicKey) { bool success = false; using (var rsa = new RSACryptoServiceProvider()) { //Don’t do this, do the same as you did in SignData: //byte[] bytesToVerify = Convert.FromBase64String(originalMessage); var encoder = new UTF8Encoding(); byte[] bytesToVerify = encoder.GetBytes(originalMessage); … Read more