Encrypting Excel Files in Ruby

Aspose.Cells - Encrypting Excel Files

To apply encryption to Excel files using Aspose.Cells for Java in Ruby, simply invoke Encrypt module.

Ruby Code

 data_dir = File.dirname(File.dirname(File.dirname(__FILE__))) + '/data/'

\# Instantiating a Workbook object by excel file path

workbook = Rjb::import('com.aspose.cells.Workbook').new(data_dir + 'Book1.xls')

\# Password protect the file.

workbook.getSettings().setPassword("1234")

encryption_type = Rjb::import('com.aspose.cells.EncryptionType')        

\# Specify XOR encrption type.

workbook.setEncryptionOptions(encryption_type.XOR, 40)

\# Specify Strong Encryption type (RC4,Microsoft Strong Cryptographic Provider).

workbook.setEncryptionOptions(encryption_type.STRONG_CRYPTOGRAPHIC_PROVIDER, 128)

\# Saving the modified Excel file in default (that is Excel 2003) format

workbook.save(data_dir + "encrypt.xls")

puts "Apply encryption, please check the output file."

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