Android Open Source

  RSA Large Text Methods for RSA encryption of large texts have been tested. Now the methods are being connected to the application project   https://github.com/vallshmeleff/sqliteandrsa   to work with the data base of the SQLite. For example, one full in each entry will be encrypted. RSA Large Text

  RSA Large Text The well-known technology demonstrator (JAVA classes) for working with the SQLite database and RSA encryption began to add methods for working with very large texts. Separate block encryption is used. For now, a method for encrypting large text has been added and is being tested. Scrolling Activity is also used to work with the screen. Built-in Android RSA encryption is used. https://github.com/vallshmeleff/androidrsa RSA Large Text

  Android JAVA    The prototype of two methods - for dividing large text into fragments before RSA encryption and for assembling text from fragments after decoding. It is necessary to check and optimize the Java code. https://github.com/vallshmeleff/sqliteandrsa/blob/main/MainActivity_Fragment_Defragment.java Android JAVA

  Android JAVA How many tasks should a programmer who develops an Android application, for example, for a courier, solve? 1. Database 2. Client-Server module 3. Database synchronization 4. Export/Import database 5 Load Images 6. Using the clipboard 7. Send/receive SMS   8. Load Google Maps and determination of coordinates (use GPS)   We will write a ready-made application (template), on the basis of which you can create a commercial application in a few hours. I can write such a project myself, but it will take more time and there will be less creative ideas - more simple programming. It is interesting to invite European programmers to work on an open source project. Maybe students. The project is easily divided into classes. Accordingly, you can distribute the development of individual classes. At some stage, the project can be positioned as a commercial one.     https://github.com/vallshmeleff   Android JAVA      

 Android JAVA Let's write a Java code to overcome an important drawback of RSA encryption - the limitation of the length of the encrypted text. To do this, we divide the text into fragments, encrypt and combine into one block. It's not very fast, but it's strong encryption. Then we will further strengthen data protection. We will make some methods for the encryption class. To be comfortable.   SQLite and RSA https://github.com/vallshmeleff/sqliteandrsa We will make an open source JAVA application template for working with databases. With encryption. This will be the basis for commercial applications. It is enough to either enable or disable the desired functionality and slightly change the GUI.   Android JAVA  

  SQLite Java Example   The development of a Java version of the application for working with the SQLite database with RSA encryption has begun (a working prototype has already been created). A typical database will contain 10 fields per record. Of these, 9 fields will be encrypted (in the prototype - 1 field). The database is exported/imported to MS Excel. Synchronization with SQLite server will be added. Such an application (available in source codes) can be adapted in a few hours for a large list of tasks - trade, logistics, personal, information, etc. This is a great template. https://github.com/vallshmeleff/sqliteandrsa   SQLite Java Example