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    • 6. 发明申请
    • Challenge response system and method
    • 挑战响应系统和方法
    • US20050250473A1
    • 2005-11-10
    • US10996369
    • 2004-11-26
    • Michael BrownMichael BrownMichael KirkupHerbert Little
    • Michael BrownMichael BrownMichael KirkupHerbert Little
    • G06F12/14G06F13/14H04L9/00H04L9/32H04L29/06
    • H04L9/3271H04L9/3226H04L9/3236H04L63/083H04L2209/80
    • A challenge response scheme includes the authentication of a requesting device by an authenticating device. The authenticating device generates a challenge that is issued to the requesting device. The requesting device combines the challenge with a hash of a password provided by a user of the requesting device, and the combination of the hash of the password and the challenge is further hashed in order to generate a requesting encryption key that is used to encrypt the user supplied password. The encrypted user supplied password is sent to the authenticating device as a response to the issued challenge. The authenticating device generates an authenticating encryption key by generating the hash of a combination of the challenge and a stored hash of an authenticating device password. The authenticating encryption key is used to decrypt the response in order to retrieve the user-supplied password. If a hash of the user-supplied password matches the stored hash of the authenticating device password, then the requesting device has been authenticated and the authenticating device is in possession of the password.
    • 挑战响应方案包括认证设备对请求设备的认证。 认证设备产生发出到请求设备的质询。 请求设备将挑战与由请求设备的用户提供的密码的散列相结合,并进一步散列密码散列和质询的组合,以便生成用于加密的请求加密密钥 用户提供的密码。 加密的用户提供的密码作为对发布的挑战的响应被发送到认证设备。 认证设备通过生成质询的组合和存储的认证设备密码的哈希的散列来生成认证加密密钥。 认证加密密钥用于解密响应,以便检索用户提供的密码。 如果用户提供的密码的散列与存储的认证设备密码的哈希匹配,则请求设备已被认证,认证设备拥有密码。