Title:
METHOD AND SYSTEM FOR BACKING UP AND RESTORING DATA
Document Type and Number:
Japanese Patent JP3481755
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To keep backup data secret by receiving a deciphering key for restoring data on a portable medium (tape) from a 2nd computer and deciphering the data on the portable medium with the received deciphering key.
SOLUTION: This system is equipped with a 1st computer 101 on which the tape 100 where the backup data are stored can be loaded, a restorer terminal 102 connected to the 1st computer 101, a 2nd computer 104 connected to the 1st computer 101 through a network 103, and an administrator terminal 105 connected to the 2nd computer 104. When the backup data stored on the tape 10 are restored, a user DB 106 and a restorer DB 107 arranged on the side of the 2nd computer 104 are used to authorize the user and restorer on-line and only the user who is registered as a regular user or restorer is allowed to decipher the data on the tape 100.
Inventors:
Seiichi Domyo
Sawaki Kuroda
Zenji Ueyama
Sawaki Kuroda
Zenji Ueyama
Application Number:
JP31789495A
Publication Date:
December 22, 2003
Filing Date:
December 06, 1995
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
G06F12/14; G06F3/06; G06F12/00; G06F12/16; G06F21/31; G06F21/60; G06F21/62; (IPC1-7): G06F12/14; G06F3/06; G06F12/00; G06F12/16
Domestic Patent References:
| JP4184650A | ||||
| JP5233459A | ||||
| JP721089A | ||||
| JP7121448A | ||||
| JP7131452A |
Other References:
Ｓｉｍｓｏｎ Ｇａｒｆｉｎｋｅｌ， Ｇｅｎｅ Ｓｐａｆｆｏｒｄ 共著， 山口 英 監訳，”ＵＮＩＸ セキュリティ”，アスキー出版局，１９９３年 ７月１１日，ｐｐ．４７６−４７８
Attorney, Agent or Firm:
Shuuki Akita
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