Method for distributing encrypted digital content
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United States of America Patent
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N/A
Issued Date -
Jun 25, 2009
app pub date -
Dec 19, 2007
filing date -
Dec 19, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A method for distributing encrypted digital content is disclosed in the invention. Firstly, a digital content of a source is encrypted via a symmetric key encryption mechanism by using a first public key, so as to generate an encrypted digital content; the first public key is also encrypted to generate an encryption key at the source by using a second public key via an asymmetric key encryption mechanism provided from a destination, so that the encryption key may only be decrypted by using a private key compatible with the second public key at the destination. Therefore, no matter the encrypted digital content is distributed via secure or insecure routes, the ones who are not at the destination cannot access the digital content.
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