Open and Unzip an AES Encrypted Zip

Open and unzip an AES encrypted Zip.

Download: Chilkat .NET Assemblies

Dim zip As New Chilkat.Zip()

Dim success As Boolean

'  Any string unlocks the component for the 1st 30-days.
success = zip.UnlockComponent("Anything for 30-day trial")
If (success <> true) Then
    MsgBox(zip.LastErrorText)
    Exit Sub
End If


success = zip.OpenZip("/myZips/aes.zip")
If (success <> true) Then
    MsgBox(zip.LastErrorText)
    Exit Sub
End If


'  Set the password needed to unzip.
'  This password must match the password used when the zip
'  was created.
zip.DecryptPassword = "myPassword"

Dim unzipCount As Long

'  Unzip the .zip into /unzipDir.
'  Returns the number of files and directories unzipped.
unzipCount = zip.Unzip("/unzipDir/")
If (unzipCount < 0) Then
    MsgBox(zip.LastErrorText)
Else
    MsgBox("Success!")
End If