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Tested under B4J Java 11 agains OpenSSL (PHP): AES256 RSA (creating/using keys including signing/verifying) Hashing (HMAC, SHA1, 256 and 512) via Agraham's Encryption library Download: https://www.bouncycastle.org/download/bcprov-jdk18on-171.jar

@Erel I downloaded the file BouncyCastle and noticed it already was part of B4J v9.50 which I currently use. I'll investigate this more deeply. B4XEncryption seems the way to go. Thanks 130895
link: @Erel Should we use the example from this >post<, or is there an updated version? Perhaps it's been documented in the Libraries section. It depends on

This works: #AdditionalJar: bcpkix-jdk14-1.48 #AdditionalJar: bcprov-jdk14-1.48 #PackagerProperty: VMArgs = --add-opens b4j/org.bouncycastle.jcajce.provider.asymmetric.rsa=java.base Will probably work with your version as well.
link: Same error Erel: RSA decryption error : java.io.IOException: problem extracting key: java.security.NoSuchAlgorithmException: Error constructing implem
link: Here it is Erel. C:\Users\johans\Documents\B4JApps\decodeDriverLicense\decodeDriverLicense\Objects\temp\build\bin>java.exe @release_java_modules.txt
link: Hello all Attached B4J project refers. It uses bcprov-jdk16-1.43.jar that you can download from the web. When compiling it in B4J it runs fine - no p

For new projects it is recommended to use B4XEncryption to create a cross platform solution. RandomAccessFile library v1.10 includes the beloved ReadEncrypredObject / WriteEncryptedObject methods. These two methods are similar to ReadObject and WriteObject methods which are very powerful and usefu
link: For info: Bouncy Castle 1.59 is now available, which fixes a recent CVE: https://www.bouncycastle.org/download/bcprov-jdk15on-159.jar (details are lis
link: Version 1.65 is out: https://www.bouncycastle.org/download/bcprov-jdk15on-165.jar to download and as walt61 said : #AdditionalJar: bcprov-jdk15on-165
link: I tried another path outside of program files, but it did not change anything. So i tried 'bcprov-jdk15on-151' from http://www.bouncycastle.org/latest

*NOTE2* Also when running in Release you should set #MergeLibraries: False because of the bouncy castle dependency (bcprov-jdk15on-159) which is a signed jar, and when running with #MergeLibraries: True that jar is decompiled and compiled in your jar and therefore losses its signing. *NOTE3* For And
link: schmizz.sshj.transport.TransportImpl 10:45:07.580 ERROR <<kex done>> woke to: net.schmizz.sshj.transport.TransportException: BouncyCastle is required
link: transport.Reader.run(Reader.java:59) Caused by: java.lang.ClassNotFoundException: Didn't find class "org.bouncycastle.crypto.ec.CustomNamedCurves" on
link: @CaptKronos I think you also need another jar for android: https://mvnrepository.com/artifact/com.madgag.spongycastle/core/1.58.0.0 as it's marked as

However when I build try to build and a standalone executable, the sample project crashes. When I run Run_debug.bat, I see the following debug information: C:\B4J_Projects\SocketFactory\Objects\temp\build\bin>java.exe @release_java_modules.txt --add-opens b4j/org.bouncycastle.jcajce.provider.asymm
link: I managed to solve this by using some guesswork. For anyone else with the same issue, I was able to create a working standalone executable by addin

D:\graaljs-24.0.1\jvm\bin\javac.exe #end if #if PYTHON #AdditionalJar: D:\graalpy-comm-24.0.1\modules\polyglot.jar #AdditionalJar: D:\graalpy-comm-24.0.1\modules\nativeimage.jar #AdditionalJar: D:\graalpy-comm-24.0.1\modules\truffle-api.jar #Addit

lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang
link: 19 more Caused by: java.lang.ClassNotFoundException: org.bouncycastle.cert.jcajce.JcaX509CertificateConverter at java.net.URLClassLoader.findClass
link: Can you upload a merged jar that works on Windows and fails on Mac?
link: JcaX509CertificateConverter at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.mi

This library allows you to encrypt or decrypt data using the AES encryption method. It is simple to use and it is compatible with B4A B4XEncryption library and B4i Encryption library (Encrypt and Decrypt method) which means that you can encrypt the data on one platform and decrypt it on a different
link: You can use the Encryption library in B4J. You might need to add the bouncy castle jar. However in the long run I do recommend you to switch to B4XEn
link: Thank you very much for pointing me in the right direction. With the B4A Encryption Library works fine (even without bouncy castle jar). In the near

provider.BouncyCastleProvider", Null) joSecurity.RunMethod("addProvider", Array As Object (jo)) Dim plainMessage As String = "3670BB9F//1//09ct00300CD" Log("Plain text message : "& plainMessage) Dim eMsg() As Byte = Encrypt(plainMessage) Log("eMsg : " & BConv.StringFromBytes(eMsg,"utf8
link: The NoPadding is not the same as Out of the box, ZeroBytePadding is not provided by Java's JDK and you have to also use BouncyCastle. Looks like this
link: InitializeStatic("java.security.Security") #if B4J Dim jo As JavaObject jo.InitializeNewInstance("org.bouncycastle.jce.provider.BouncyCastlePr
link: The encrypted message above (from the example) was created using the following in B4J: Sub Encrypt(value As String) ' value = 3670BB9F//0//09ct00300C

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