本文整理匯總了VB.NET中System.Security.RightsManagement.CryptoProvider.Decrypt方法的典型用法代碼示例。如果您正苦於以下問題：VB.NET CryptoProvider.Decrypt方法的具體用法？VB.NET CryptoProvider.Decrypt怎麽用？VB.NET CryptoProvider.Decrypt使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Security.RightsManagement.CryptoProvider的用法示例。
在下文中一共展示了CryptoProvider.Decrypt方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: imageBuffer
Dim imageBuffer() As Byte
Using cipherTextStream As Stream = File.OpenRead(encryptedFile)
Dim expression As Int32
Dim contentLengthByteBuffer(Len(expression) - 1) As Byte
' Read the length of the source content file
' from the first four bytes of the encrypted file.
ReliableRead(cipherTextStream, contentLengthByteBuffer, 0, Len(expression))
' Allocate the clearText buffer.
Dim contentLength As Integer = BitConverter.ToInt32(contentLengthByteBuffer, 0)
imageBuffer = New Byte(contentLength - 1) {}
' Allocate the cipherText block.
Dim cipherTextBlock(cryptoProvider.BlockSize - 1) As Byte
' decrypt cipherText to clearText block by block.
Dim imageBufferIndex As Integer = 0
Do
Dim readCount As Integer = ReliableRead(cipherTextStream, cipherTextBlock, 0, cryptoProvider.BlockSize)
' readCount of zero is end of data.
If readCount = 0 Then
Exit Do ' for
End If
' Decrypt cipherText to clearText.
Dim clearTextBlock() As Byte = cryptoProvider.Decrypt(cipherTextBlock)
' Copy the clearTextBlock to the imageBuffer.
Dim copySize As Integer = Math.Min(clearTextBlock.Length, contentLength - imageBufferIndex)
Array.Copy(clearTextBlock, 0, imageBuffer, imageBufferIndex, copySize)
imageBufferIndex += copySize
Loop
End Using ' end:using (Stream cipherTextStream = (close/dispose)