Create a WinZip compatible AES Encrypted Zip

Creates a WinZip compatible 128-bit AES-encrypted .zip archive

Download Chilkat Zip ActiveX

CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @zip int
    EXEC @hr = sp_OACreate 'Chilkat.Zip2', @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
        RETURN
      END

    EXEC sp_OAMethod @zip, 'NewZip', @success OUT, 'aes.zip'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @zip, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        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 needed to unzip.
    EXEC sp_OAMethod @zip, 'SetPassword', NULL, 'myPassword'

    --  Append a directory tree.  The AppendFiles does
    --  not read the file contents or append them to the zip
    --  object in memory.  It simply appends references
    --  to the files so that when WriteZip (or WriteZipAndClose,
    --  or WriteExe, etc.) is called, the files are compressed
    --  and encrypted.
    DECLARE @recurse int

    SELECT @recurse = 1
    EXEC sp_OAMethod @zip, 'AppendFiles', NULL, 'c:/temp/a/*', @recurse

    --  Write "AesEncrypted.zip"

    EXEC sp_OAMethod @zip, 'WriteZipAndClose', @success OUT
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @zip, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        RETURN
      END

    PRINT 'Zip Created!'
END
GO