27. A device, comprising: a processor; a computer program configured to, upon execution, cause the processor to perform functions comprising: receiving a security code provided as part of a registration process; generating scan information based on a scan of at least a portion of at least one of a paper or displayed document; encrypting the generated scan information based on the security code; and sending the encrypted information.
28. The device of claim 27 wherein the generated scan information includes optical scan information.