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    • 1. 发明授权
    • Trusted authorization device
    • 受信任的授权设备
    • US07028191B2
    • 2006-04-11
    • US10473842
    • 2002-04-01
    • John R. MichenerPaul F. Ryan
    • John R. MichenerPaul F. Ryan
    • H04L9/00
    • H04L63/0428G06F21/34G06F21/72G06F21/73G06F21/86G06Q20/02G06Q20/04G06Q20/382G06Q20/3823G06Q20/3829G06Q20/40H04L9/0891H04L9/3231H04L9/3247H04L63/0435H04L63/083H04L63/0853H04L63/0861H04L63/10H04L63/12H04L2209/56H04L2463/102
    • A trusted display (18) of a trusted authorization device (TAD) (10) displays on a trusted display (18) first information about a transaction to be authorized by a user (14) using a trusted keypad (20). The TAD (10) generates (208) a random number (R); generates (1210) second information from the first information, the random number (R) and a first identification code (TADID-A) of the TAD (10); generates (212) a signature of the second information using a first encryption process; egnerates (216) a set of session keys (Ks1, Ks2, Ks3) by a second encryption process responsive to the random number (R) and a set of stored working keys (Kw1, Kw2, Kw3); and generates (218) third information by encrypting the second information and the signature using a third encryption process responsive to the set of session keys (Ks1, Ks2, Ks3). A dat structure (42) is formed comprising the random numer (R), the first identification code (TADID-A), and the third information; and communicated (220) from the TAD (10) to the client (12) to a host server (28) for verification by a verification decryption server (32).
    • 可信授权设备(TAD)的可信任显示器(18)在可信显示器(18)上使用可信小键盘(20)在用户(14)上显示关于要授权的交易的第一信息。 TAD(10)产生(208)随机数(R); 从第一信息,TAD(10)的随机数(R)和第一识别码(TADID-A)生成(1210)第二信息; 使用第一加密处理生成(212)第二信息的签名; 通过响应于随机数(R)的第二加密处理和一组存储的工作密钥(K 1,K 2,K 3)来存储(216)一组会话密钥(Ks 1,Ks 2,Ks 3) K 2 W 2,K 3 W 3); 并且通过使用响应于所述一组会话密钥(Ks 1,Ks 2,Ks 3)的第三加密处理来加密第二信息和签名来生成(218)第三信息。 形成数据结构(42),其包括随机数(R),第一识别码(TADID-A)和第三信息; 并从TAD(10)向客户端(12)通信(220)到主机服务器(28),由验证解密服务器(32)进行验证。