496 lines
18 KiB
VB.net
496 lines
18 KiB
VB.net
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Imports System.Security.Cryptography
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Public Class EnDec
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Private TripleDes As New TripleDESCryptoServiceProvider
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Sub New(ByVal key As String)
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' Initialize the crypto provider.
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TripleDes.Key = TruncateHash(key, TripleDes.KeySize \ 8)
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TripleDes.IV = TruncateHash("", TripleDes.BlockSize \ 8)
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End Sub
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Private Function TruncateHash(
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ByVal key As String,
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ByVal length As Integer) _
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As Byte()
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Dim sha1 As New SHA1CryptoServiceProvider
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' Hash the key.
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Dim keyBytes() As Byte =
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System.Text.Encoding.Unicode.GetBytes(key)
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Dim hash() As Byte = sha1.ComputeHash(keyBytes)
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' Truncate or pad the hash.
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ReDim Preserve hash(length - 1)
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Return hash
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End Function
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''' <summary>
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''' 문자열의 암호화
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''' </summary>
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''' <param name="plaintext"></param>
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''' <returns></returns>
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''' <remarks></remarks>
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Public Function EncryptData(
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ByVal plaintext As String) _
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As String
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' Convert the plaintext string to a byte array.
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Dim plaintextBytes() As Byte =
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System.Text.Encoding.Unicode.GetBytes(plaintext)
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' Create the stream.
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Dim ms As New System.IO.MemoryStream
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' Create the encoder to write to the stream.
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Dim encStream As New CryptoStream(ms,
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TripleDes.CreateEncryptor(),
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System.Security.Cryptography.CryptoStreamMode.Write)
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' Use the crypto stream to write the byte array to the stream.
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encStream.Write(plaintextBytes, 0, plaintextBytes.Length)
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encStream.FlushFinalBlock()
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' Convert the encrypted stream to a printable string.
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Return Convert.ToBase64String(ms.ToArray)
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End Function
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''' <summary>
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''' 복호화'
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''' </summary>
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''' <param name="encryptedtext"></param>
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''' <returns></returns>
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''' <remarks></remarks>
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Public Function DecryptData(
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ByVal encryptedtext As String) _
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As String
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' Convert the encrypted text string to a byte array.
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Dim encryptedBytes() As Byte = Convert.FromBase64String(encryptedtext)
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' Create the stream.
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Dim ms As New System.IO.MemoryStream
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' Create the decoder to write to the stream.
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Dim decStream As New CryptoStream(ms,
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TripleDes.CreateDecryptor(),
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System.Security.Cryptography.CryptoStreamMode.Write)
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' Use the crypto stream to write the byte array to the stream.
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decStream.Write(encryptedBytes, 0, encryptedBytes.Length)
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decStream.FlushFinalBlock()
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' Convert the plaintext stream to a string.
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Return System.Text.Encoding.Unicode.GetString(ms.ToArray, 0, ms.Length)
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End Function
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''' <summary>
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''' 파일로부터 문자열을 읽어옵니다.
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''' </summary>
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''' <param name="Filename"></param>
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''' <remarks></remarks>
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Public Function Read_STring(ByVal Filename As String) As String
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Dim FI As New System.IO.FileInfo(Filename)
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If FI.Exists = False Then
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MsgBox("필수파일이 존재하지않습니다", MsgBoxStyle.Critical, "확인")
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Return ""
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End If
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Dim FS As New System.IO.FileStream(FI.FullName, IO.FileMode.Open)
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Dim SR As New System.IO.StreamReader(FS, System.Text.Encoding.Default)
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Dim cipherText As String = SR.ReadToEnd
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SR.Close()
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FS.Close()
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' DecryptData throws if the wrong password is used.
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Try
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Dim plainText As String = DecryptData(cipherText)
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Return plainText
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'MsgBox("해독값은? " & plainText)
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Catch ex As System.Security.Cryptography.CryptographicException
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Return ""
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MsgBox("암호화키가 일치하지않거나 기타 오류입니다")
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End Try
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End Function
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''' <summary>
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''' 파일에 해당 문자열을 기록합니다.
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''' </summary>
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''' <param name="Filename"></param>
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''' <param name="Contents"></param>
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''' <remarks></remarks>
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Public Sub Write_String(ByVal Filename As String, ByVal Contents As String)
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Dim cipherText As String = EncryptData(Contents)
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Dim FI As New System.IO.FileInfo(Filename)
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Dim FS As New System.IO.FileStream(FI.FullName, IO.FileMode.Create)
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Dim SW As New System.IO.StreamWriter(FS, System.Text.Encoding.Default)
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'MsgBox("암호화된값은? " & cipherText)
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SW.Write(cipherText)
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SW.Flush()
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SW.Close()
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FS.Close()
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End Sub
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End Class
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Public Class MyAuth '//각종인증방법을 이용한다.
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Public Function GetDateAuth(ByVal 만기일자 As Date) As Boolean '//날짜인증시 사용가능한지
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'//사용가능한 날짜인지 확인하고 만약 날짜정보가 없으면은 날짜를 setdataeauth 를 실행합니다
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'//인터넷에 연결되어있을시 현재 시간정보를 인터넷에서 받아온ㄷ
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'//콘솔의 현재날짜가 설치된 날짜보다 더 뒤일경우 사용중지
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'//레지 파일의 기록날짜가 서로다를경우 사용중지
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'//레지,파일의 기록날짜가 동일하고 콘솔의 현재날짜가 기한을 넘지않았을경우에만 true 한다.
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Dim isAvailable As Boolean = My.Computer.Network.IsAvailable '//인터넷사용여부
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Dim CurrentDate As Date
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If isAvailable Then '//인터넷에서 날짜정보를 가져온다 기록된 날짜와 오늘의 날짜를 확인한다.
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Dim Itime As Date
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Try
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CurrentDate = Itime
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Catch ex As Exception '//에러발생시 콘솔날짜로 세팅한다.
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CurrentDate = Now
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End Try
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Else
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MsgBox("인터넷사용불가")
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CurrentDate = Now
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End If
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If 만기일자 > CurrentDate Then Return False
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Return True
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End Function
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Public Sub SetAuth(ByVal Newkey As Long, ByVal Fn As String)
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' Dim auth As New ARINCLASS
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Dim Arinini As New MyINI2(Fn)
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Arinini.Write("main", "install2", Newkey)
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Arinini.Write("main", "installkey2", Newkey.GetHashCode)
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Dim A As New System.Text.StringBuilder
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A.AppendLine("인증정보가 파일에 기록되었습니다")
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A.AppendLine("만기일 : " & Date.FromFileTimeUtc(Newkey))
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MsgBox(A.ToString, MsgBoxStyle.Information, "기록완료")
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End Sub
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''' <summary>
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''' 미지원 함수
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''' </summary>
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''' <returns></returns>
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''' <remarks></remarks>
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Public Function SetDateAuth() As Boolean '//레지와 파일에 해당 인증정보를 기록합니다
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Return True
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End Function
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''' <summary>
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''' 미지원함수
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''' </summary>
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''' <returns></returns>
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''' <remarks></remarks>
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Public Function GetCurrentDate() As Date '//오늘날짜를 가져옵니다
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Return Now
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End Function
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Public Function GetDateNumber(ByVal 시작일 As Date) As Long
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Return 시작일.ToFileTimeUtc
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End Function
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Public Function GetDateNumberEnc(ByVal 시작일 As Date) As String
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Return 시작일.ToFileTimeUtc.ToString.GetHashCode '//날짜로 들어가면 날짜의 해쉬코드를 넘겨준다.
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End Function
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Public Function GetDateNumberEnc(ByVal 시작일 As Long) As String
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Return 시작일.ToString.GetHashCode
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End Function
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End Class
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Public Class MyINI2
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Declare Function GetPrivateProfileString Lib "kernel32" Alias "GetPrivateProfileStringA" (ByVal lpApplicationName As String, ByVal lpKeyName As String, ByVal lpDefault As String, ByVal lpReturnedString As String, ByVal nSize As Integer, ByVal lpFileName As String) As Integer
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Declare Function WritePrivateProfileString Lib "kernel32" Alias "WritePrivateProfileStringA" (ByVal lpApplicationName As String, ByVal lpKeyName As String, ByVal lpString As String, ByVal lpDownFileName As String) As Integer
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'Private Aname As String
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Public FileName As String = vbNullString
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Private FileNameBuf As String
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Private m_sPath As String
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Private m_sKey As String
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Private m_sSection As String
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Private m_sDefault As String
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Private m_lLastReturnCode As Integer
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Public Sub New(ByVal File As String)
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FileName = File
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FileNameBuf = File
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Me.Create()
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'MsgBox("New 1=" & FileName & vbCrLf & "2=" & FileNameBuf)
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' If Not System.IO.File.Exists(File) Then System.IO.File.Create(File)
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End Sub
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Public Sub Create()
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If Exist() = True Then Return
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Dim A As New IO.FileInfo(FileName)
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A.Directory.Create()
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Dim FS As IO.FileStream = A.Create()
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Dim SW As New IO.StreamWriter(FS, System.Text.Encoding.Default)
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SW.WriteLine("//Myini 로부터 자동생성된 파일입니다")
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SW.WriteLine("//생성일자 : " & Now.ToString)
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SW.Flush()
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SW.Close()
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FS.Close()
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SW = Nothing
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FS = Nothing
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FileName = FileNameBuf
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End Sub
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Public Function Exist() As Boolean
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Return System.IO.File.Exists(FileName)
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End Function
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Public Function Read(ByVal appkey As String, ByVal subkey As String, Optional ByVal DefaultValue As String = vbNullString) As String '//변수초기화
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'MsgBox("Read 1=" & FileName & vbCrLf & "2=" & FileNameBuf)
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Dim tempstr As Integer 'ini파일에서 읽어온 값을 임시저장하는 변수
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Dim strtemp As String = New String(Chr(0), 2000) 'ini파일의 임시 변수
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Dim Tempbuf As String
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If Not Exist() Then
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MsgBox("환경파일이 존재하지 않습니다" & vbCrLf & "APP=" & appkey & vbCrLf & "subkey=" & subkey & vbCrLf & "파일명=" & FileName, MsgBoxStyle.Critical, "Error")
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Return vbNullString
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End If
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Try
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tempstr = GetPrivateProfileString(appkey, subkey, "", strtemp, Len(strtemp), FileName)
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Tempbuf = strtemp.Substring(0, tempstr)
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Tempbuf = Tempbuf.Trim(Chr(0))
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FileName = FileNameBuf
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If Tempbuf.Trim = vbNullString AndAlso DefaultValue <> vbNullString Then
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Return DefaultValue
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Else
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Return Tempbuf
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End If
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Catch ex As Exception
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FileName = FileNameBuf
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Return vbNullString
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End Try
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End Function
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Public Function ReadFile(ByVal appkey As String, ByVal subkey As String, ByVal filename2 As String, Optional ByVal DefaultValue As String = vbNullString) As String '//변수초기화
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'MsgBox("ReadFile 1=" & FileName & vbCrLf & "2=" & FileNameBuf)
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Dim tempstr As Integer 'ini파일에서 읽어온 값을 임시저장하는 변수
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Dim strtemp As String = New String(Chr(0), 2000) 'ini파일의 임시 변수
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Dim Tempbuf As String
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If Not System.IO.File.Exists(filename2) Then
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MsgBox("환경파일이 존재하지 않습니다" & vbCrLf & "파일명=" & FileName, MsgBoxStyle.Critical, "Error")
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Return vbNullString
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End If
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Try
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tempstr = GetPrivateProfileString(appkey, subkey, "", strtemp, Len(strtemp), filename2)
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Tempbuf = strtemp.Substring(0, tempstr)
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If Tempbuf.Trim = vbNullString AndAlso DefaultValue <> vbNullString Then
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Return DefaultValue
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Else
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Return Tempbuf
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End If
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Catch ex As Exception
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Return vbNullString
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End Try
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FileName = FileNameBuf
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End Function
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Public Function Write(ByVal appkey As String, ByVal subkey As String, ByVal WriteVal As Object) As Integer
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Dim RetVal As Integer
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'MsgBox("Write1 1=" & FileName & vbCrLf & "2=" & FileNameBuf)
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If Not Exist() Then
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MsgBox("환경파일이 존재하지 않습니다" & vbCrLf & "파일을 생성합니다." & vbCrLf & "파일명=" & FileName, MsgBoxStyle.Information, "확인")
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Me.Create()
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End If
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' FileName = Aname
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RetVal = (WritePrivateProfileString(appkey, subkey, WriteVal, FileName))
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FileName = FileNameBuf
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Return RetVal
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End Function
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Public Sub Write(ByVal appkey As String, ByVal subkey As String, ByVal WriteVal As Object, ByVal fileName2 As String)
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'MsgBox("Write2 1=" & FileName & vbCrLf & "2=" & FileNameBuf)
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If Not System.IO.File.Exists(fileName2) Then
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MsgBox("[D] 환경파일이 존재하지 않습니다" & vbCrLf & "파일을 생성합니다." & vbCrLf & "파일명=" & fileName2, MsgBoxStyle.Information, "확인")
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System.IO.File.Create(fileName2)
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End If
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WritePrivateProfileString(appkey, subkey, WriteVal, fileName2)
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FileName = FileNameBuf
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End Sub
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Public Sub EnumerateCurrentSection(ByRef sKey() As String, ByRef iCount As Integer)
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Dim sSection As String
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Dim iPos As Integer
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Dim iNextPos As Integer
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Dim sCur As String
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iCount = 0
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Erase sKey
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sSection = INISection
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If (Len(sSection) > 0) Then
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iPos = 1
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iNextPos = InStr(iPos, sSection, Chr(0))
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Do While iNextPos <> 0
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sCur = Mid(sSection, iPos, iNextPos - iPos)
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If (sCur <> Chr(0)) Then
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iCount = iCount + 1
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'UPGRADE_WARNING: sKey 배열의 하한이 1에서 0(으)로 변경되었습니다. 자세한 내용은 다음을 참조하십시오. 'ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?keyword="0F1C9BE1-AF9D-476E-83B1-17D43BECFF20"'
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ReDim Preserve sKey(iCount)
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sKey(iCount) = Mid(sSection, iPos, iNextPos - iPos)
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iPos = iNextPos + 1
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iNextPos = InStr(iPos, sSection, Chr(0))
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End If
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Loop
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End If
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End Sub
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Public Sub GetAllsection(ByVal key As String, ByRef Section As ArrayList, ByRef Value As ArrayList)
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Dim FS As New System.IO.FileStream(FileName, FileMode.Open)
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Dim SR As New StreamReader(FS, System.Text.Encoding.Default)
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Dim Findkey As String = "[" & key & "]"
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Dim Line As String
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Dim KeyPos As Integer = -1
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Dim Seppos As Integer = -1
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While SR.Peek > -1
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Line = SR.ReadLine
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If KeyPos = -1 Then '//키를 못찻았으면
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If Line.ToUpper.IndexOf(Findkey.ToUpper) > -1 Then KeyPos = Line.ToUpper.IndexOf(Findkey.ToUpper)
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Else '//찾앗으면
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If Line.IndexOf("[") = -1 Then '//그다음 키가 오기전까지 모두 추가한다.
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Seppos = Line.IndexOf("=")
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Section.Add(Line.Substring(0, Seppos))
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Value.Add(Line.Substring(Seppos + 1))
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Else
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Exit While
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End If
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End If
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End While
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SR.Close()
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FS.Close()
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End Sub
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Public Sub EnumerateAllSections(ByRef sSections() As String, ByRef iCount As Integer)
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Dim sIniFile As String
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Dim iPos As Integer
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Dim iNextPos As Integer
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Dim sCur As String
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iCount = 0
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Erase sSections
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sIniFile = Sections
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If (Len(sIniFile) > 0) Then
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iPos = 1
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iNextPos = InStr(iPos, sIniFile, Chr(0))
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Do While iNextPos <> 0
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If (iNextPos <> iPos) Then
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sCur = Mid(sIniFile, iPos, iNextPos - iPos)
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iCount = iCount + 1
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'UPGRADE_WARNING: sSections 배열의 하한이 1에서 0(으)로 변경되었습니다. 자세한 내용은 다음을 참조하십시오. 'ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?keyword="0F1C9BE1-AF9D-476E-83B1-17D43BECFF20"'
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ReDim Preserve sSections(iCount)
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sSections(iCount) = sCur
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End If
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iPos = iNextPos + 1
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iNextPos = InStr(iPos, sIniFile, Chr(0))
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Loop
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End If
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End Sub
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Property INISection() As String
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Get
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Dim sBuf As String
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Dim iSize As String
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Dim iRetCode As Short
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sBuf = Space(8192)
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iSize = CStr(Len(sBuf))
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iRetCode = GetPrivateProfileString(m_sSection, 0, m_sDefault, sBuf, CInt(iSize), m_sPath)
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If (CDbl(iSize) > 0) Then
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INISection = Left(sBuf, iRetCode)
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Else
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INISection = ""
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End If
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End Get
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Set(ByVal Value As String)
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m_lLastReturnCode = WritePrivateProfileString(m_sSection, 0, Value, m_sPath)
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End Set
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End Property
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ReadOnly Property Sections() As String
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Get
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Dim sBuf As String
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Dim iSize As String
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Dim iRetCode As Short
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sBuf = Space(8192)
|
|
iSize = CStr(Len(sBuf))
|
|
iRetCode = GetPrivateProfileString(0, 0, m_sDefault, sBuf, CInt(iSize), m_sPath)
|
|
If (CDbl(iSize) > 0) Then
|
|
Sections = Left(sBuf, iRetCode)
|
|
Else
|
|
Sections = ""
|
|
End If
|
|
|
|
End Get
|
|
End Property
|
|
|
|
ReadOnly Property LastReturnCode() As Integer
|
|
Get
|
|
LastReturnCode = m_lLastReturnCode
|
|
End Get
|
|
End Property
|
|
ReadOnly Property Success() As Boolean
|
|
Get
|
|
Success = (m_lLastReturnCode <> 0)
|
|
End Get
|
|
End Property
|
|
'UPGRADE_NOTE: Default이(가) Default_Renamed(으)로 업그레이드되었습니다. 자세한 내용은 다음을 참조하십시오. 'ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?keyword="A9E4979A-37FA-4718-9994-97DD76ED70A7"'
|
|
Property Default_Renamed() As String
|
|
Get
|
|
Default_Renamed = m_sDefault
|
|
End Get
|
|
Set(ByVal Value As String)
|
|
m_sDefault = Value
|
|
End Set
|
|
End Property
|
|
Property Path() As String
|
|
Get
|
|
Path = m_sPath
|
|
End Get
|
|
Set(ByVal Value As String)
|
|
m_sPath = Value
|
|
End Set
|
|
End Property
|
|
Property Key() As String
|
|
Get
|
|
Key = m_sKey
|
|
End Get
|
|
Set(ByVal Value As String)
|
|
m_sKey = Value
|
|
End Set
|
|
End Property
|
|
Property Section() As String
|
|
Get
|
|
Section = m_sSection
|
|
End Get
|
|
Set(ByVal Value As String)
|
|
m_sSection = Value
|
|
End Set
|
|
End Property
|
|
|
|
|
|
End Class |