Apparatus and method for re-encrypting data without unsecured exposure of its non-encrypted format
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United States of America Patent
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Mar 31, 2009
Grant Date -
N/A
app pub date -
Dec 20, 2004
filing date -
May 31, 1994
priority date (Note) -
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Abstract
A cryptographic device formed as an integrated circuit encapsulated in an integrated circuit package. The cryptographic device decrypts information having a first encrypted format that is input into the cryptographic device producing information in a non-encrypted format. The information in the non-encrypted format is subsequently re-encrypted into a second encrypted format which is output from the cryptographic device. The decryption and re-encryption operations are accomplished entirely within the cryptographic device.
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