How? Encrypt and Decrypt user membership passwords in ASP.NET

Question

We are creating a new site using ASP.NET membership provider for user registration and log in. Our old system encrypted user passwords so that we could recover them if we ne

Answer 1

Imports System.Web.Security

Public Class PasswordRecovery
    Inherits SqlMembershipProvider

    Public Function GetDecryptedPassword(ByVal password As String) As String
        Try
            Dim _encodedPassword() As Byte = Convert.FromBase64String(password)
            Dim _bytes() As Byte = DecryptPassword(_encodedPassword)
            If _bytes Is Nothing Then
                Return ""
            Else
                Return System.Text.Encoding.Unicode.GetString(_bytes, &H10, _bytes.Length - &H10)
            End If
        Catch ex As Exception
            Throw New Exception("Error decrypting password.", ex)
        End Try
    End Function
End Class