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    • 26. 发明申请
    • SYSTEM AND METHOD FOR PROTECTING A PASSWORD AGAINST BRUTE FORCE ATTACKS
    • 防止布鲁姆力量攻击的系统和方法
    • US20080120504A1
    • 2008-05-22
    • US11555030
    • 2006-10-31
    • Michael G. KirkupHerbert A. LittleNeil P. Adams
    • Michael G. KirkupHerbert A. LittleNeil P. Adams
    • H04L9/00
    • H04L9/003H04L9/0863H04L9/3226H04L9/3247H04L2209/80
    • In a system and method for authenticating a client device by an authentication device, the client device user is assigned a PIN generated by the authentication device. The user provides the PIN and a password to the client device, from which the client device generates a symmetric key and further generates a public/private key pair. The private key is encrypted using the symmetric key and stored in encrypted form only. The public key and a message authentication code generated from the PIN are provided to the authentication device, which stores the public key. Subsequently, when the user seeks to be authenticated, the user enters a password at the client device, which is used to generate a symmetric key to decrypt the encrypted private key. A message to the authentication device is signed using the resultant value. The authentication device uses the public key to verify the signature of the message.
    • 在用于通过认证设备认证客户端设备的系统和方法中,向客户端设备用户分配由认证设备产生的PIN。 用户向客户端设备提供PIN和密码,客户端设备从该设备生成对称密钥并进一步生成公钥/私钥对。 私钥使用对称密钥加密,仅以加密形式存储。 将公钥和从PIN生成的消息认证码提供给存储公钥的认证装置。 随后,当用户寻求认证时,用户在客户端设备处输入密码,用于生成对称密钥来解密加密的私钥。 使用结果值对认证设备的消息进行签名。 认证设备使用公钥验证消息的签名。
    • 29. 发明授权
    • System and method for protecting a password against brute force attacks
    • 保护密码免受暴力攻击的系统和方法
    • US08838975B2
    • 2014-09-16
    • US11555030
    • 2006-10-31
    • Michael G. KirkupHerbert A. LittleNeil P. Adams
    • Michael G. KirkupHerbert A. LittleNeil P. Adams
    • H04L29/06
    • H04L9/003H04L9/0863H04L9/3226H04L9/3247H04L2209/80
    • In a system and method for authenticating a client device by an authentication device, the client device user is assigned a PIN generated by the authentication device. The user provides the PIN and a password to the client device, from which the client device generates a symmetric key and further generates a public/private key pair. The private key is encrypted using the symmetric key and stored in encrypted form only. The public key and a message authentication code generated from the PIN are provided to the authentication device, which stores the public key. Subsequently, when the user seeks to be authenticated, the user enters a password at the client device, which is used to generate a symmetric key to decrypt the encrypted private key. A message to the authentication device is signed using the resultant value. The authentication device uses the public key to verify the signature of the message.
    • 在用于通过认证设备认证客户端设备的系统和方法中,向客户端设备用户分配由认证设备产生的PIN。 用户向客户端设备提供PIN和密码,客户端设备从该设备生成对称密钥并进一步生成公钥/私钥对。 私钥使用对称密钥加密,仅以加密形式存储。 将公钥和从PIN生成的消息认证码提供给存储公钥的认证装置。 随后,当用户寻求认证时,用户在客户端设备处输入密码,用于生成对称密钥来解密加密的私钥。 使用结果值对认证设备的消息进行签名。 认证设备使用公钥验证消息的签名。