Method for providing multimedia files and terminal therefor

Details Method for providing multimedia files and terminal therefor Method for providing multimedia files and terminal therefor

2000-12-20

2008-12-09

Moazzami, Nasser (Department: 2136)

Cryptography

Video cryptography

Video electric signal modification

C705S065000

Reexamination Certificate

active

07463738

ABSTRACT:
A method of and a system for securely distributing data files to a user. A first key is encrypted using a second key. The encrypted first key is stored on an integrated circuit card that is associated with the user. The integrated circuit card is provided to the user. Data files are encrypted using the first key to get an encrypted data file at a first party. The encryption parameters are exchanged between the first party and integrated circuit card.

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