Description:
Set encryption mode for a zip file.
Syntax:
zip_encrypt(zip, mode)
Note:
The external library function sets an encryption mode for a zip file with a password. Values of parameter mode is a closed interval [0,4].
Parameter:
|
zip |
A zip file object |
|
mode |
0: Won’t encrypt 1: Standard encryption 2: AES encryption with key length 128 3: AES encryption with key length 192 4: AES encryption with key length 256 Other values:Won’t encrypt |
Return value:
A Boolean value
Example:
|
|
A |
|
|
1 |
=zip_open("D:/e1.zip","123") |
Open a zip file |
|
2 |
=zip_encrypt(A1,0) |
Parameter mode is 0, so the function won’t encrypt the zip file |
|
3 |
=zip_encrypt(A1,1) |
Parameter mode is 1; it is a standard encryption |
|
4 |
>zip_close(A1) |
Close a zip file |