B4A Question equivalent to this encryption code - MarcoRome (first post)    Jan 16, 2023   (1 reaction)
https://www.b4x.com/android/forum/pages/results/?query=Rfc2898DeriveBytes
... Java Question Converting encryption algorithm from vb.net to B4A - realblue (first post)    Jul 8, 2013 Rfc2898DeriveBytes method or why don't I see it? What am I doing wrong?
Dim sEncryptKey...
saltValueBytes = sEncryptKey.GetBytes("ASCII")
Dim r As Rfc2898DeriveBytes... B4A Question AES Encryption Equivalent in B4A - Jakes72    Jul 10, 2021 Dim clearBytes As Byte() = Encoding.ASCII.GetBytes(stringToEncrypt) Using encryptor As Aes = Aes.Create() Dim pdb As New Rfc2898DeriveBytes(EncryptionKey, New Byte() {211, 5, 233, 24, 55, 166, 7, 88, 2, 1, 4, 5, 6, 7, 8, 0}) encryptor.Key = pdb.GetBytes(32) encryptor.IV = pdb.GetBytes(16) Using ms As New MemoryStream() Using...) cs.Write(clearBytes, 0, clearBytes.Length) cs.Close() End Using... B4A Question Convert String to MD5 and Back? - hasexxl1988 (first post)    Apr 3, 2018 +jP*!hWrT$kldfKFSAK37236780!!*+++hHUDO723BNU!$hask+*jhds7!2929j$+jP*!hWrT" Dim clearBytes As Byte() = Encoding.Unicode.GetBytes(clearText) Using encryptor As Aes = Aes.Create() Dim pdb As New Rfc2898DeriveBytes(EncryptionKey, New Byte() {&H49, &H76, &H61... Rfc2898DeriveBytes(EncryptionKey, New Byte() {&H49, &H76, &H61, &H6E, &H20, &H4D...}) encryptor.Key = pdb.GetBytes(32) encryptor.IV = pdb.GetBytes(16... B4i Question B4A encryption and B4I Decryption - Rafael Perez Jurado (first post)    Oct 7, 2015 " Dim tamanollave As Integer = 256 Try Dim vectorInicialB As Byte() vectorInicialB = Encoding.ASCII.GetBytes(vectorInicial) Dim cadenaB As Byte() cadenaB = Encoding.ASCII.GetBytes(cad) Dim textoACifrarB As Byte() textoACifrarB = Convert.FromBase64String(cadenaCif) Dim contra As Rfc2898DeriveBytes contra = New Rfc2898DeriveBytes(contrasena, cadenaB, iteraciones) Dim llaveB As Byte() llaveB = contra.GetBytes(tamanollave / 8) Dim claveSimetrica As RijndaelManaged claveSimetrica = New... B4A Question Encrybtion inquirey - Asim A Baki    Oct 26, 2017 RijndaelManaged()) { AES.KeySize = 256; AES.BlockSize = 128; var key = new Rfc2898DeriveBytes... = 128; var key = new Rfc2898DeriveBytes(passwordBytes, saltBytes, 1000); AES.Key = key... GetSaltSize(byte passwordBytes) { var key = new Rfc2898DeriveBytes(passwordBytes, passwordBytes, 1000... says that the legnth of byte array is mismatched to the received encrypted bytes . the encryption code... code as below class AES { public static byte AES_Encrypt(byte bytesToBeEncrypted, byte... B4A Question [SOLVED] Decrypt with AES/CBC/PKCS7Padding From C# Encrypt - OliverA (first post)    Mar 29, 2021   (2 reactions) /questions/7092977/net-difference-between-passwordderivebytes-and-rfc2898derivebytes https.../B4A? From my research, no. Why? Because your code uses PasswordDeriveBytes. Doing some research on this Class, Java code that emulates this class is good for up to a 20 byte password. Anything above.... No, it has something to do with the PasswordDeriveBytes class. You'll need to implement..., that standard is only good for key sizes of up to 20 bytes. In order to accommodate larger key sizes, Microsoft... B4A Code Snippet [B4X] Bytes To File - Erel    May 24, 2020   (19 reactions)   tags: Image, Share Images, Bytes, B4X, B4X Bytes To File, , bitmap to byte and revert This code is no longer needed. Use File.WriteBytes / ReadBytes.
Write an array of bytes to a file and read a file into an array of bytes.
Sub BytesToFile (Dir As String, FileName As String, Data() As Byte)
Dim out As OutputStream = File.OpenOutput(Dir, FileName, False)
out.WriteBytes(Data, 0, Data.Length)
out.Close
End Sub
Sub FileToBytes (Dir As String, FileName As String) As Byte... B4A Question Help on Encryption library please. - realblue (first post)    Jun 16, 2013 can be done in several iterations. Dim password As Rfc2898DeriveBytes password = New Rfc2898DeriveBytes(m_strPassPhrase, _ saltValueBytes... As String = String.Empty Try Dim initVectorBytes As Byte() initVectorBytes = System.Text.Encoding.ASCII.GetBytes(m_strInitVector) Dim saltValueBytes As Byte() saltValueBytes = System.Text.Encoding.ASCII.GetBytes... B4A Question Convert byte code - optimized dex. Error - Need Help Pls :( - Joel Fonseca    Jul 25, 2011 .37
Convert byte code - optimized dex. Error
UNEXPECTED TOP-LEVEL ERROR:
java.lang....dexer.Main.processFileBytes(Main.java:346)
at com.android.dx.command.dexer.Main.access$400(Main.java:59)
at com.android.dx.command.dexer.Main$1.processFileBytes(Main.java:294)
at com.android... Page: 1   2   3   4   5   6   |