encrypt / decrypt

  1. P

    B4J Question Encryption method to store sensitive information

    Hello all, Happy New year I am designing an application that has a need to store sensitive information ( CC with CVV ) for recurring payments. ( Yes, I know we should avoid this where possible ) I have looked at various methods of doing this. 1. Encrypt data in B4J and store it in the DB...
  2. M

    Android Question Help implementing libsodium in b4a

    I want to use libsodium in my android application to create a secure connection between client and server. The huge advantages of libsodium in comparison to all other encryption libarys are features like password hashing and more modern high-level cryptographic tools . My main focus besides...
  3. 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...
  4. A

    iOS Question Decrypt a string encrypted on ios

    Hi, I'm working on conversion my b4a app to b4i and have encrypt / decrypt problem I already have a code that does encryption / decryption on Android and on VB.NET on my server. b4a Sub Encrypt(dataToEncrypt As String ) As String Dim kg As KeyGenerator Dim c As Cipher Dim B64 As...