发明授权
- 专利标题： Encryption method and system for portable data
- 专利标题（中）： 便携式数据的加密方法和系统
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申请号： US494129申请日： 1995-06-23
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公开(公告)号： US5623546A公开(公告)日： 1997-04-22
- 发明人: Douglas A. Hardy , Craig R. Fossey , Craig R. Balogh , Steven R. Tugenberg
- 申请人： Douglas A. Hardy , Craig R. Fossey , Craig R. Balogh , Steven R. Tugenberg
- 申请人地址： IL Schaumburg
- 专利权人： Motorola, Inc.
- 当前专利权人： Motorola, Inc.
- 当前专利权人地址： IL Schaumburg
- 主分类号： G06F21/00
- IPC分类号： G06F21/00 ; G07F7/10 ; H04L9/08 ; H04L9/32 ; G06F3/06
摘要：
A system and method allows portable, encrypted data to be accessible through multiple hosts, including new hosts (14), without requiring a secure link to the new hosts. A split key encryption system encrypts (52) data and stores the encrypted data on a portable device (10). A split of the encryption key is stored (54) in the portable device (10), and another split of the key is stored (54) in a home host (12) . A password-modified key is then made (58) by combining a password with the encryption key. This password-modified key is then reduced (58), with one split being stored on the host (12) and another split stored on the portable device (10) . Data can be accessed with a new host (14) by transferring (78) the host password-modified split to the new host (14) and entering (80) the password into the portable device (10).
公开/授权文献
- US3942851A Indicating storage bin 公开/授权日：1976-03-09