(Visual FoxPro) Extract a File from a .p7m (PKCS7 Signed-Data)
Visual FoxPro 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.
LOCAL loCrypt
LOCAL lcOutputFile
LOCAL lcInFile
LOCAL lnSuccess
* This example requires the Chilkat API to have been previously unlocked.
* See Global Unlock Sample for sample code.
* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.Crypt2')
loCrypt = CreateObject('Chilkat.Crypt2')
* What is a .p7m file?
lcOutputFile = "/Users/chilkat/testData/pdf/sample.pdf"
lcInFile = "/Users/chilkat/testData/p7m/sample.pdf.p7m"
* Verify and restore the original file:
lnSuccess = loCrypt.VerifyP7M(lcInFile,lcOutputFile)
IF (lnSuccess = 0) THEN
? loCrypt.LastErrorText
RELEASE loCrypt
CANCEL
ENDIF
? "Success!"
RELEASE loCrypt
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