Visual Basic 6.0

Extract a File from a .p7m (PKCS7 Signed-Data)

See more Encryption Examples

_LANGUAGE_ example to extract the original file from a .p7m (Signed-Data PKCS7 Format) The .p7m contains the signed contents of the original file. It can be verified and restored by calling VerifyP7M. Visual Basic 6.0

Dim success As Long
success = 0

' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim crypt As New ChilkatCrypt2

' What is a .p7m file?

Dim outputFile As String
outputFile = "/Users/chilkat/testData/pdf/sample.pdf"
Dim inFile As String
inFile = "/Users/chilkat/testData/p7m/sample.pdf.p7m"

' Verify and restore the original file:
success = crypt.VerifyP7M(inFile,outputFile)
If (success = 0) Then
    Debug.Print crypt.LastErrorText
    Exit Sub
End If

Debug.Print "Success!"