Electronic cryptographic packing
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United States of America Patent
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Nov 30, 1999
Grant Date -
N/A
app pub date -
Mar 24, 1997
filing date -
Mar 24, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A method of unwrapping wrapped digital data that is unusable while wrapped, includes obtaining an acceptance phrase from a user; deriving a cryptographic key from the acceptance phrase; and unwrapping the package of digital data using the derived cryptographic key. The acceptance phrase is a phrase entered by a user in response to information provided to the user. The information and the acceptance phrase can be in any appropriate language. The digital data includes, alone or in combination, any of: software, a cryptographic key, an identifying certificate, an authorizing certificate, a data element or field of an identifying or authorizing certificate, a data file representing an images, data representing text, numbers, audio, and video.
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