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我的散列md5 + salt,其中salt在应用程序中预先制作。VB.NET解密一个散列并在DataGridView中显示
Function md5hash(value As String) As Byte()
Return md5.ComputeHash(ASCIIEncoding.ASCII.GetBytes(value))
End Function
Function decrypt(encryptedString As String, key As String) As String
de5.Key = md5hash(key)
de5.Mode = CipherMode.ECB
Dim buffer As Byte() = Convert.FromBase64String(encryptedString)
Return ASCIIEncoding.ASCII.GetString(de5.CreateDecryptor().TransformFinalBlock(buffer, 0, buffer.Length))
End Function
现在我想检索数据库中散列(加密)的数据。我可以检索数据,但散列。不是等效的字符串。这是我的DataGridView代码。
connection()
Dim dataAdapter As New MySqlDataAdapter
Dim dataTable As New DataTable
Dim bSource As New BindingSource
Try
conn.Open()
Dim query As String
query = "SELECT column07 AS 'Company ID', column08 AS Lastname, column12 AS Firstname, column06 AS Middlename, column02 AS 'Contact No.', column05 AS 'Current Address', column14 AS 'Permanent Address' FROM dbtest.table01 WHERE column15 = '" & encrypt("Single", salt) & "'"
command = New MySqlCommand(query, conn) 'I think this is the part where I put my decrypt method.
dataAdapter.SelectCommand = command 'Maybe here.
dataAdapter.Fill(dataTable) 'I dont know where and how
bSource.DataSource = dataTable 'Please help thanks!
DataGridView_Accounts.DataSource = bSource
dataAdapter.Update(dataTable)
conn.Close()
Catch ex As Exception
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error)
Finally
conn.Dispose()
End Try
查询工作正常。它只是解密(dehashing)不是。
哈希是单向加密,所以他们不能解密。另外,按照今天的标准,MD5是一种全面散列方法。 – Plutonix
就像我所说的,检索正在工作。与散列数据。它甚至可以检索到标签/文本框。我只是不知道如何检索它并显示在datagridview中。 – Maki
我们不知道'de5'是什么,我们不知道'encrypt'的确能理解你正在做什么。通过文本和标题,你不能“散列”散列,这就是他们的观点。我怀疑你在加密,而MD5是用来散列盐的? – Plutonix