发明名称 |
Document printing program, document protecting program, document protecting system, document printing apparatus for printing out a document based on security policy |
摘要 |
In a document protecting system, a distributor terminal implementing a document protecting program obtains an encryption key to encrypt a document file, associates a print request to the document file, and encrypts the document file by the encryption key. And a user terminal implementing a document printing program obtains a decryption key of document file being encrypted, decrypts the document file based on the obtained decryption key, obtains a print requirement associated with the document file, and executes a printing process so as to satisfy the print requirement.
|
申请公布号 |
US2004125402(A1) |
申请公布日期 |
2004.07.01 |
申请号 |
US20030661650 |
申请日期 |
2003.09.15 |
申请人 |
KANAI YOICHI;SAITOH ATSUHISA;YACHIDA MASUYOSHI |
发明人 |
KANAI YOICHI;SAITOH ATSUHISA;YACHIDA MASUYOSHI |
分类号 |
G06F3/12;G06F15/00;G06F21/00;(IPC1-7):G06F15/00 |
主分类号 |
G06F3/12 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|