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    • 5. 发明专利
    • User authentication method using removable device, and computer
    • 使用可拆卸设备的用户认证方法和计算机
    • JP2008160325A
    • 2008-07-10
    • JP2006345007
    • 2006-12-21
    • Lenovo Singapore Pte Ltdレノボ・シンガポール・プライベート・リミテッド
    • HAGIWARA MIKIOKUMAKI ATSUSHIKONO SEIICHIOKA KENJI
    • H04L9/32G06F21/22G06F21/24G09C1/00
    • PROBLEM TO BE SOLVED: To provide an authentication method for simultaneously improving the convenience and security of a user by storing a plurality of passwords in one device by an inexpensive removable device not provided with hardware exclusive for authentication. SOLUTION: Authentication information 31 is generated by ciphering the password 201 using a public key 211 and is stored in the removable device 127, and then the public key used for ciphering is discarded from a manager PC. The removable device is connected to a user PC 11 storing a secret key 213 to read the authentication information, and the password is acquired by deciphering the authentication information using the secret key. By including the intrinsic information 219 of the removable device in the authentication information and ciphering the secret key by the individual information 207 of a user, the security is improved further. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种认证方法,用于通过不具有专用于认证的硬件的便宜的可移动设备将多个口令存储在一个设备中,同时提高用户的便利性和安全性。 解决方案:通过使用公共密钥211对密码201进行加密来生成认证信息31,并存储在可移动设备127中,然后从管理者PC中丢弃用于加密的公开密钥。 可移除装置连接到存储秘密密钥213的用户PC 11以读取认证信息,并且通过使用秘密密钥解密认证信息来获取密码。 通过将可移动设备的固有信息219包括在认证信息中,并通过用户的个人信息207加密秘密密钥,进一步提高了安全性。 版权所有(C)2008,JPO&INPIT