Patent ID: 7349959

Claim:
A method for creating a SOAP (Simple Object Access Protocol) message, comprising: a first step of reading out a message body from predetermined storing means, the message body includes predetermined pieces of information arranged in a predetermined order; a second step of generating a body part of the SOAP message by sequentially performing a process on read out said pieces of information according to the predetermined order and holding the body part in a work area in the predetermined storing means, and at the same time, acquiring information on the process; a third step of generating a header part of the SOAP message based on the acquired information and holding the header part in a work area of predetermined storing means; and a forth step of composing the SOAP message by reading out said body part and said header part from the work area of said storing means and combining said body and header parts, wherein the process includes at least one of sequentially encrypting the SOAP message and signing the SOAP message and acquiring a reference ID for referring to an encrypted and/or signed piece of information in the body part and information on the process.