摘要 |
A data generating device (201) comprises a variable-length data input means (203) configured to input variable-length data, an embedding means (206) configured to embed identification data corresponding to format information indicating the format of the variable-length data to the variable-length data; an location information acquiring means (208) configured to acquire location information showing locations corresponding to identification data in variable-length data; and an outputting means (209) configured to output the variable-length data in which the identification data is embedded and the location information, wherein the variable-length data comprises a public key certificate. |