发明名称 AUTHORIZATION USING CIPHERTEXT TOKENS
摘要 According to the invention, a method for securing a plaintext object within a content receiver is disclosed. In one step, a secure portion of a secure object and a plaintext remainder of the secure object are received. Which portion of the secure object is the secure portion is determined. The secure portion is decrypted to provide a plaintext portion. The plaintext object th at comprises the plaintext portion and the plaintext remainder is formed. The plaintext object is stored.
申请公布号 CA2377679(A1) 申请公布日期 2001.12.06
申请号 CA20012377679 申请日期 2001.05.02
申请人 GENERAL INSTRUMENT CORPORATION 发明人 SPRUNK, ERIC J.
分类号 H04L9/16;H04L9/08;H04N5/913;H04N7/08;H04N7/081;H04N7/167;H04N21/2347;H04N21/254;H04N21/41;H04N21/435;H04N21/442;H04N21/4623;H04N21/81;H04N21/835;H04N21/8355;(IPC1-7):H04N5/913;H04N7/173;G06F1/00 主分类号 H04L9/16
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