def decrypt_file(path, key)
			data = read_file(path)
			decryptedFile = File.new(path, "wb")
			decryptedFile.write(decrypt(data, key))
			decryptedFile.close
		end
def decrypt_file(path, key)
			data = read_file(path)
			decryptedFile = File.new(path, "wb")
			decryptedFile.write(decrypt(data, key))
			decryptedFile.close
		end
This method will decrypt a encrypted capture file, using the key you passed to the encryption key parameter.

 @param path [String] the path of the encrypted capture
 @param key [String] the encryption key