B4A Question key algorithm not compatible with signature algorithm - slpxpp    Aug 6, 2021 1.B4A:11.00
2.private Sign key-create new key :OK
3.Project-build app bundle:key algorithm not compatible with signature algorithm
4.How to create RSA signature with B4X
Please help me.@Erel... B4A Question after update to b4a 13.3 : key algorithm not compatible with signature algorithm - kohle (first post)    Jul 7, 2025 Thanks. I will give it a try. I never did this in the past.... B4A Question jarsigner error: java.security.SignatureException: private key algorithm is not compatible with signature algorithm - CVR (first post)    Jan 31, 2024 I can fix it, I just have the outdated JDK.
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Pude solucionarlo, solo tenia el JDK desactualizado.... B4A Question private key algorithm is not compatible with signature algorithm - kohlenbach (first post)    Mar 10, 2024 it works now with
OpenJDK
I dont know why it dont work with oracle java.
rgs
J.... B4A Question Error generating App Bundle - kohlenbach (first post)    Aug 7, 2025 Check your manifestcode. You are using TWO of uses-sdk but only one is expected Thanks. Yes, it was a copy paste error. But at the end I get still the following error : jarsigner-Fehler: java.lang.IllegalArgumentException: key algorithm not compatible with signature algorithm I solved it with : (But shouldnt be like this) #SignKeyAlgorithm: -digestalg SHA1 -sigalg SHA384withRSA... B4A Question java.nio.file.NoSuchFileException: d8_arguments.txt - teddybear (first post)    Nov 19, 2024   (2 reactions)
After copying to my local machine the message is different
B4A Version: 13.00
jarsigner-Fehler: java.lang.IllegalArgumentException: key algorithm not compatible with signature algorithm
I also copied the key ;)
Explicitly set the algorithm #SignKeyAlgorithm: -digestalg SHA1 -sigalg SHA384withRSA... B4A Question Problem with building AAB - DonManfred (first post)    Aug 29, 2024
Yes, the SDK was updated.
i´m not sure about.
key algorithm not compatible with signature algorithm
Looks like the problem was an outdated SDK on the ones who discovered the same error.... B4A Tutorial jarsigner error: java.security.SignatureException: private key algorithm is not compatible - Erel    Dec 27, 2017   (6 reactions)   tags: Java, Sign, 9, Keystore Private sign keys created with B4A v7.80 or less together with Java 8u151+ will fail with the above error message. Note that it does not affect existing keys.
It is related to a change in the default key size.
It is fixed for the next update of B4A.
As a workaround you can switch to Java 8u144... Italian Errore creazione pacchetto dell'app - LucaMs (first post)    Sep 7, 2023   (1 reaction) Hai visto questo?
https://www.b4x.com/android/forum/threads/key-algorithm-not-compatible-with-signature-algorithm.133204/post-841776... B4A Question The Android App Bundle was not signed - tsteward (first post)    Aug 2, 2023 After adding #signkeyalgorithm I get this error when compiling aab file jarsigner error: java.lang.IllegalArgumentException: key algorithm not compatible with signature algorithm ... Page: 1   2   3   4   5   6   7   |