Verify a Zip's Password

Demonstrates how to verify the password for an encrypted or password-protected zip archive.

Download Chilkat 32-bit Zip ActiveX (.msi) (includes objects for .zip, .gz, .bz2, and .Z)

Download All 32-bit Chilkat ActiveX Components (.zip)

Download All 64-bit Chilkat ActiveX Components (.zip)

LOCAL loZip
LOCAL lnSuccess
LOCAL lnPasswordOk

loZip = CreateObject('Chilkat.Zip2')

*  Any string unlocks the component for the 1st 30-days.
lnSuccess = loZip.UnlockComponent("Anything for 30-day trial")
IF (lnSuccess <> 1) THEN
    =MESSAGEBOX(loZip.LastErrorText)
    QUIT
ENDIF

*  To verify a password for a Zip, the Zip must be opened:
lnSuccess = loZip.OpenZip("myProtected.zip")
IF (lnSuccess <> 1) THEN
    =MESSAGEBOX(loZip.LastErrorText)
    QUIT
ENDIF

*  Set the password to be verified:
loZip.DecryptPassword = "secret"

lnPasswordOk = loZip.VerifyPassword()
IF (lnPasswordOk = 1) THEN
    =MESSAGEBOX("Password is correct.")
ELSE
    =MESSAGEBOX("Password is incorrect.")
ENDIF

loZip.CloseZip()