Apparatus for encrypting data and method thereof
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United States of America Patent
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N/A
Issued Date -
Jun 5, 2003
app pub date -
Nov 7, 2002
filing date -
Nov 30, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An apparatus for encrypting data between a processor and a memory and a method thereof are disclosed. The processor includes: a module for encrypting an input data or decrypting an encrypted data; a key table for storing secret keys for data encryption/decryption; and a control unit for generating an index for the encrypting operation of the module. The memory includes: a memory cell array for storing data encrypted by the module of the processor; and a key state memory for storing the index generated in the control unit of the processor and used for the encryption of the input data.
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