encryp

  1. carlos7000

    Android Question Encrypt decrypt using RSA

    Hello everyone I am trying to create a simple application that allows to send and receive messages in a secure way, using rsa or another similar system. I wrote this little code to see if it was possible to create a pair of keys (one public and one private), save them and use them again later...
  2. KMatle

    B4R Tutorial [B4x]: Exchange AES-256 encrypted messages between ESP32 and B4x

    This is about how to exchange AES256 encrypted messages incl. generated IV (initialization vector) between a ESP32 and B4x. Notes: - the ESP uses AES/CBC/NoPadding. The data must be padded (must have a length which is a multiple of 16). I've used a length of 256 to to get there (instead of...
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