(SQL Server) Create a WinZip/7-Zip compatible AES Encrypted Zip

Creates a WinZip compatible AES-encrypted .zip archive

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @zip int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Zip', @zip OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int

    --  Any string unlocks the component for the 1st 30-days.
    EXEC sp_OAMethod @zip, 'UnlockComponent', @success OUT, 'Anything for 30-day trial'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @zip, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @zip
        RETURN
      END

    EXEC sp_OAMethod @zip, 'NewZip', @success OUT, '/myZipDir/aes.zip'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @zip, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @zip
        RETURN
      END

    --  Set properties to indicate that the Zip should be
    --  AES encrypted.

    --  A value of 4 indicates WinZip compatible AES encryption.
    EXEC sp_OASetProperty @zip, 'Encryption', 4

    --  Key length can be 128, 192, or 256 bits.
    EXEC sp_OASetProperty @zip, 'EncryptKeyLength', 128

    --  Set the password for AES encryption:
    EXEC sp_OASetProperty @zip, 'EncryptPassword', 'myPassword'

    --  Add a directory tree to be zipped.  (The files
    --  are not compressed at this point -- only references
    --  to the files and directories are added to the zip object.)
    DECLARE @recurse int
    SELECT @recurse = 1
    EXEC sp_OAMethod @zip, 'AppendFiles', @success OUT, 'c:/temp/a/*', @recurse
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @zip, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @zip
        RETURN
      END

    --  Create the encrypted zip ("/myZipDir/aes.zip")
    --  The path of the zip is what was originally passed
    --  to the NewZip method (above).
    DECLARE @success int
    EXEC sp_OAMethod @zip, 'WriteZipAndClose', @success OUT
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @zip, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @zip
        RETURN
      END


    PRINT 'Created AES Encrypted Zip.'

    EXEC @hr = sp_OADestroy @zip


END
GO