Encryption/decryption apparatus and method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Apr 3, 2003
app pub date -
Sep 13, 2002
filing date -
Sep 28, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
In each embodiment of the invention, the security unit device operating independently of a PC encrypts and decrypts data, adding a signature to data encrypted or decrypted, and verifies the signature. Hence, the key data and the encryption algorithm can be protected from the implementing of illegal software. This enables the PC to exchange data in security, with any other PC linked to it.
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