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.</p>
申请公布号 WO2001093577(A2) 申请公布日期 2001.12.06
申请号 US2001014282 申请日期 2001.05.02
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