发明名称 |
AUTHORIZATION USING CIPHERTEXT TOKENS |
摘要 |
<p>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 that comprises the plaintext portion and the plaintext remainder is formed. The plaintext object is stored including authentication and authorization.</p> |
申请公布号 |
EP1285532(A2) |
申请公布日期 |
2003.02.26 |
申请号 |
EP20010935024 |
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 |
主分类号 |
H04L9/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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