DES加密算法CBC模式怎么解密最好有程序 谢谢~(*^__^*)

原型：

int WINAPI icePub_desEncryptionHex(char strInputHexstring, char strOutputHexstring, char strKeyHexstring)

输入：strInputHexstring 待加密16进制数据串，16字节长度

strKeyHexstring 单des密钥16进制串，16字节长度

输出：strOutputHexstring 加密后16进制数据串，16字节长度

原型：

int WINAPI icePub_desDecryptionHex(char strInputHexstring, char strOutputHexstring, char strKeyHexstring)

输入：strInputHexstring 待解密16进制数据串，16字节长度

strKeyHexstring 单des密钥16进制串，16字节长度

输出：strOutputHexstring 解密后16进制数据串，16字节长度

vbnet code注意随机密码按钮在没用，调试时你自己输入密码，一定为8位，我是将文件存在D盘，你自己在修改一下，那个就很简单

Imports SystemIO

Imports SystemSecurityCryptography

Imports SystemText

Public Class Form1

Private Sub Button1_Click(ByVal sender As SystemObject, ByVal e As SystemEventArgs) Handles Button1Click

Dim sSecretKey As String = MeTextBox2Text

EncryptFile(MeTextBox1Text, "D:\JMtesttxt", sSecretKey)

End Sub

Private Sub Button2_Click(ByVal sender As SystemObject, ByVal e As SystemEventArgs) Handles Button2Click

Dim sSecretKey As String = MeTextBox2Text

DecryptFile("D:\JMtesttxt", "D:\Decryptedtxt", sSecretKey)

End Sub

Sub EncryptFile(ByVal sInputFilename As String, ByVal sOutputFilename As String, ByVal sKey As String)

Dim fsInput As New FileStream(sInputFilename, FileModeOpen, FileAccessRead)

Dim fsEncrypted As New FileStream(sOutputFilename, FileModeCreate, FileAccessWrite)

Dim DES As New DESCryptoServiceProvider

DESKey = ASCIIEncodingASCIIGetBytes(sKey)

DESIV = ASCIIEncodingASCIIGetBytes(sKey)

Dim desencrypt As ICryptoTransform = DESCreateEncryptor()

Dim cryptostream As New CryptoStream(fsEncrypted, desencrypt, CryptoStreamModeWrite)

Dim byteArrayInput(fsInputLength - 1) As Byte

fsInputRead(byteArrayInput, 0, byteArrayInputLength)

cryptostreamWrite(byteArrayInput, 0, byteArrayInputLength)

cryptostreamClose()

End Sub

Sub DecryptFile(ByVal sInputFilename As String, ByVal sOutputFilename As String, ByVal sKey As String)

Dim DES As New DESCryptoServiceProvider

DESKey() = ASCIIEncodingASCIIGetBytes(sKey)

DESIV = ASCIIEncodingASCIIGetBytes(sKey)

Dim fsread As New FileStream(sInputFilename, FileModeOpen, FileAccessRead)

Dim desdecrypt As ICryptoTransform = DESCreateDecryptor

Dim cryptostreamDecr As New CryptoStream(fsread, desdecrypt, CryptoStreamModeRead)

Dim fsDecrypted As New StreamWriter(sOutputFilename)

fsDecryptedWrite(New StreamReader(cryptostreamDecr, SystemTextASCIIEncodingDefault)ReadToEnd)

fsDecryptedFlush()

fsDecryptedClose()

End Sub

Private Sub BtnChoose_Click(ByVal sender As SystemObject, ByVal e As SystemEventArgs) Handles BtnChooseClick

OpenFileDialog1FileName = ""

OpenFileDialog1Filter = "txt files (txt)|txt"

OpenFileDialog1ShowDialog()

If OpenFileDialog1FileName <> "" Then

MeTextBox1Text = OpenFileDialog1FileName

End If

End Sub

End Class

无法打开包括没有这样的文件或目录

意味着，这个计划包括错误

预编译头文件，你可以直接复制和粘贴，然后运行呢？

删除，文件可能会少点了一下头，你可以先尝试简单的程序的标准输入输出头文件中定义。

C，然后包括中

C + +，然后包括

也可能小于其他的头文件。这取决于程序还包含什么样的文件

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