B4J Library [B4j] Database encryption - MichalK73 Mar 21, 2025 (2 reactions) Hello.
Recently there has been an increase in hacking, data theft, etc.
Using databases, we are exposed to unauthorized downloading of data from databases, theft of entire databases, etc. containing sensitive personal data.
A simple select will show encrypted data, as well as downloading database f B4i Question Encrypt a database with password - toro1950 Aug 13, 2024 Hi, I've almost finished an app for Android that I would now like to convert to IOS, with B4A I used the SQLCipher library to encrypt
the database, there is something similar with B4I to encrypt the database on the IOS version. Does Isql allow you to encrypt a database? B4A Library AES Encrypt/Decrypt (Encryption/Decryption) B4A and B4J library - Peter Simpson Sep 22, 2020 (31 reactions) Released: 09/07/2019: 1.00
SS_AESEncryption
Author: Peter Simpson
Version: 1
AESEncryption
Fields:
InitializationVector As String
SecretKey As String
Functions:
AESDecrypt (DecryptData As String) As String
Decrypt AES encoded data to plain string
AESEncrypt (EncryptData As String) As String
E B4J Question The JDBC could not open the encrypted database - yshzsl Aug 07, 2024 invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:629)
at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:234)
at anywheresoftware.b4a.shell.Shell.raiseEvent(S B4A Question Very large APK using sqlcipher - MicroDrie (first post) Aug 24, 2022 Encrypting a SQL database has its price. One of them is a larger memory footprint. On the one hand, because in addition to the encryption routines, these must also be linked and included in your program.
You can determine how much that is by looking at the size of a test project. First with an empt B4J Question Any way to encrypt images in Assets folder? (for security reasons) - MicroDrie (first post) Feb 17, 2022 Good idea, but the practice is unmanageable. Encrypting a database is also not without problems. After a lot of searching I found out that if you do that, you come into conflict with, for example, the unencrypted search of a B4X table search field. B4J Tutorial H2 Database - tchart Jul 18, 2021 (24 reactions) Embedded In memory database
DBtemp.Initialize2("org.h2.Driver","jdbc:h2:mem:mydatabase","sa","sa")
3. Connect to remote server (in Potsgres Mode)
Dim driver As String = "org.h2.Driver"
Dim url As String = "jdbc:h2:tcp://db_host/~/mydatabase;MODE=PostgreSQL;DATABASE_TO_LOWER=TRUE"
DBdest.Initializ B4A Question Vacuum SQLite DB with SQLCipher - BlueVision (first post) Feb 09, 2024 My thoughts on this:
If there is no more air in the database, you can't squeeze any air out...
Maybe you can have a look at the encrypted database with a viewer, you have the key (a challenge with this amount of data though). To be honest, I've never looked at a database encrypted with SQLCipher wit B4J Code Snippet Open Encrypted Sqlite Databases with B4J (SQLCipher) - Mariano Ismael Castro (first post) Apr 12, 2025 (1 reaction) DB Browser for SQLCipher.exe
You can create the database with this program and open it from B4J. I also encrypted a database using .NET and can open it using this code.
There is a paid program called Navicat that also allows you to open these encrypted databases; it's just a matter of using the cor B4J Code Snippet Opening MS Access databases (mdb) - mcqueccu (first post) Sep 07, 2020 (6 reactions) Hi, I was able to open your encrypted access database @IndieDev
It was from a sample I saw sometime in the forum. Am still searching for the link to send to you. But this is how i did it
Add this additional jars
#AdditionalJar: commons-lang3-3.0
#AdditionalJar: jackcess-encrypt-2.1.4
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