An information processing device, which generates a document and performs encryption thereof, the information processing device includes an encryption processing section that generates an encrypted document through a document encryption processing using an encryption key, an encoding processing section that generates code data including a decryption key for decrypting the encrypted document and an ID, which serves as index data of the encrypted document, a document creating section that generates a code-recorded document, in which the code data is recorded, and a communication section that transmits the encrypted document and the ID to a server.