encryption

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    Question Help with message encryption task, using an array

    Hi, So I've been trying to get through this task for awhile now, for my college work, and there's something that I'm not getting. Here is the task: Now here is my attempt, please forgive how ugly it looks, but it is the result of a lot of changing and testing: Module Module1 Sub Main()...
  2. C

    RC4 Encryption

    Hi I started getting interested in encryption in VB.Net sohere is an RC4 function: [Lua] rc4 - Pastebin.com also how can I create my own RC4 function are there some rules I have to follow I know there is software to create it for you but I want to make my own, any help appreciated.
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    Question prob while trying to use MD5 for password

    Iam getting 3 :frown::frown::frown:errors while trying the below code for storing the password of registered user as md5 hash and performing hash check at time of login... please help me out.... thanks in advance !!! Option Strict On Imports System.IO Public Class LoginForm1 #Region...
  4. S

    Question Decrypt docum. with x509Certificate2, preset passw. to suppress passw. dialog

    Hi, I want to decrypt an Document with the matching private key under Windows high security conditions. But everytime the CSP asks for the password to grant access. I need to suppress the password dialog and insert the password programmatically. Spoiler: I have installed the X509...
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    Encrypted passwords not translated correctly by control

    I am new to VB .net (2010). We encrypt our passwords and then use data controls to write the information out to Oracle SQL tables. The problem now is (didn't happen with VB6) special characters, such as • are translated incorrectly (and written out) as ¿ for example. How and where can I change...
  6. M

    Question How to decrypt data from SQL Server??? Help Please...

    Hello people. Im having a problem in my coding. I am doing a username and password application (sumtthing like a password keeper). So I have created the interface and i integrated vb 2008 with sql server 2008. So the adding of account and password all went fine. I have applied aes 128 bits for...
  7. M

    Question Decrypt the XML file encrypted on SAP server using SSF API

    Hi all, We have an encrypted xml file. Encrypted file contains the encrypted secret key and encrypted data. ( both are in a single packet). How to proceed with the decryption of the single data packet which contains bothe secrete key and data in the encrypted format? Format used for...
  8. D

    FYI AES 256 Encryption and Password Protect files for distribution via email

    Hi all, i have created a VB.net application which can be used as a BO scheduler substitute for sending refreshed report copies. These copies are AES 256 encrypted and password protected. Please refer attached document for description, setup and source code :cool: Thanks
  9. M

    TDES Encryption Problem

    I am converting some VB6 code to VB.Net. The code encrypts 16 bytes of data, triple DES, 128 bit key, ECB mode. Using the same data and the same key, the VB6 code gives me 2 blocks and the VB.Net code gives me 3 blocks. The first two blocks match the two blocks from the VB6 code. If I remove...
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    Crypto Obfuscator For .Net 2011 released

    LogicNP Software is pleased to announce the release of Crypto Obfuscator For .Net 2011 which provides advanced code protection, obfuscation and optimization for your .Net assemblies. Crypto Obfuscator combines powerful obfuscation, encryption and optimization techniques to provide the very best...
  11. J

    Encrypt/Decrypt password for client to submit to webservice

    Encryption is triple DES, which gives me a result in Byte Array, the byte array is converted to a string using System.Text.ASCIIEncoding Dim oEncryption As New Score.Common.Encryption Dim oEncode As New System.Text.ASCIIEncoding strEncodedString =...
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    Question Encrypting a file with X.509 Certificate

    Hi, I created a key and certificate file with OpenSSL (self-signed). How do I encrypt a file using a self-signed certificate using .NET I've read the documentation, but they talk about XML, which seems completely irrelevant to me. I do not want to encrypt an XML element, I want to encrypt text...
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    Question Managed Rijndael, encr. output is larger than input

    Hi, I'm tried all the different samples for Managed Rijndael I found in the internet for .NET, like the one attached. Everytime I crypt an array of bytes whitch has a size of 128 Bytes (16*8), the encrypted result has a size of 144 Bytes (128+16). Everywhere you can read that Rijndaels AES is...
  14. S

    Crypto Obfuscator For .Net 2010 released

    LogicNP Software is pleased to announce the release of Crypto Obfuscator For .Net 2010 which provides advanced code protection, obfuscation and optimization for your .Net assemblies. Crypto Obfuscator combines powerful obfuscation, encryption and optimization techniques to provide the very best...
  15. X

    Question TTH (Tiger Tree Hash) ?

    Hi, I'm trying to figure out how to make a TTH (Tiger Tree Hash). Any help would that would also be much appreciated.
  16. S

    Crypto Obfuscator For .Net 2009 released

    Crypto Obfuscator For .Net provides advanced code protection, obfuscation and optimization for your .Net assemblies. Crypto Obfuscator combines powerful obfuscation, encryption and optimization techniques to provide the very best protection and performance to your .Net code against...
  17. K

    File Encryption

    i want to make a very simple project that will take a file as input and encrypt it and save the encrypted file. how can i do this using visual basic? user will put a 8-character( or more) length password only and will get the output without having too much headache. what type encryption...
  18. G

    Question Encrypted Dataset Column

    Hi, I need a way to handle an encrypted column in a dataset. I have controls bound to a datasource, one of the column is a password column. I need this to show something meaningless (like the encrypted value or a blank) but when something is entered it must be encrypted and saved to the db...
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