Free License Component Untuk Encrypt Koneksi Database di App.config atau Web.Config

[Braincode]

CipherLite.NET� can be used to encrypt and decrypt database connection strings and other sensitive .NET application settings stored in configuration (.config) files. In addition to encryption, CipherLite.NET� provides facilities for hashing data and verifying data hashes.



How does it work?



CipherLite.NET� comes with a GUI tool allowing application administrators to encrypt application settings (the tool can also be used to decrypt data). Once encrypted, application settings can be stored in the application configuration files (Windows� registry or other storage media). Applications can retrieve encrypted values from the configuration files and decrypt them with the help of the CipherLite.NET� library.



In addition to encryption and decryption, CipherLite.NET� offers a capability to generate password (and other) hashes, which can be used for user authentication or other purposes.



Technology



CipherLite.NET� is a .NET application. It encrypts and decrypts data using the Rijndael (AES) symmetric key algorithm, as well as DPAPI. The product supports several hashing algorithms including MD5, SHA-1, SHA-256, SHA-384, SHA-512, HMAC SHA-1, and others.



Sample Penggunaan :



C#




Code:

//
// C# example
//
using System.Configuration;
using Obviex.CipherLite;
...
try
{
// Get base64-encoded ciphertext value.
string configValue;
configValue = ConfigurationSettings.AppSettings["DB"];

// Convert base64-encoded value to byte array.
byte[] cipherText;
cipherText = Encoder.Base64Decode(configValue);

// Decrypt value using DPAPI.
string connString;
connString= Dpapi.Decrypt(cipherText);

// Use decrypted connection string.
...
}
catch (Exception ex)
{
// Process exception.
}

VB.Net




Code:

Imports System.Configuration
Imports Obviex.CipherLite
...
Try
' Get base64-encoded ciphertext value.
Dim configValue As String
configValue = ConfigurationSettings.AppSettings("DB")

' Convert base64-encoded value to byte array.
Dim cipherText As Byte()
cipherText = Encoder.Base64Decode(configValue)

' Decrypt value using DPAPI.
Dim connString As String
connString= Dpapi.Decrypt(cipherText)

' Use decrypted connection string.
...
Catch ex As Exception
' Process exception.
End Try



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