Patent
Encrypting/decrypting system with programmable logic device/unit and method thereof
Hironobu Kitajima,Shunsuke Fueki +1 more
- 11 Mar 1997
32
TL;DR: In this article, a mapping data object that represents the structure of the circuit is generated, which is then written to a programmable logic device/unit for an encrypting/decrypting circuit.
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Abstract: When information about an encrypting/decrypting method is received, it is complied with a library. A mapping data object that represents the structure of the circuit is generated. The mapping data object is written to a programmable logic device/unit. When the programmable logic device/unit is used for an encrypting/decrypting circuit, an encrypting/decrypting system that can flexibly change an algorithm at high speed can be accomplished.
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Citations
Patent
Method and apparatus for protecting proprietary configuration data for programmable logic devices
Stephen M. Trimberger
- 29 Mar 2002
TL;DR: In this article, the authors describe a method of programming a programmable logic device using encrypted configuration data and a PLD adapted to use such encrypted data using a secret decryption key.
134
Patent
Error-checking and correcting decryption-key memory for programmable logic devices
Stephen M. Trimberger
- 17 May 2002
TL;DR: In this article, a programmable logic device includes a decryption key memory with a number of decryption-key fields and, for each key field, an associated error correction-code (ECC) field.
59
Patent
Cryptography and key management device and architecture
Roger I. Khazan,Joshua Kramer,Daniil M. Utin,Mankuan Michael Vai,David Whelihan +4 more
- 09 Jul 2013
TL;DR: In this article, a method for operating a secure device having a plurality of mutually exclusive circuit zones, including a first circuit zone having a first level of security and a second level less than the first level, was proposed.
34
Patent
Unique identifier derived from an intrinsic characteristic of an integrated circuit
Stephen M. Trimberger,Austin H. Lesea +1 more
- 07 Dec 2010
TL;DR: In this article, a stable unique identifier is generated by reading an intrinsic characteristic of the IC such as a physically unclonable function, and a related method, where a first unique identifier was generated using the intrinsic characteristic and is subdivided into a plurality of first subsets.
31
Patent
Copy protection without non-volatile memory
Stephen M. Trimberger
- 19 Jan 2001
TL;DR: In this paper, the fingerprint is used as a key for an encryption system that protects against illegal use and/or copying of configuration data in an FPGA, where the fingerprint element generates a fingerprint that is indicative of inherent manufacturing process variations unique to the FPGAs.
30
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Patent
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Patent
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TL;DR: In this paper, a field upgradeable security system deciphers signals received from a communication network using a working key (WK) generated by an information processor, whose working key is communicated to the information processor encrypted under a secret key.
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Patent
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Steven K. Knapp,Jorge P. Seidel,Steven H. Kelem +2 more
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TL;DR: In this article, a set of module generators are used to produce optimized implementations of particular circuit logic arithmetic functions for Field Programmable Gate Arrays (FPGAs) or other digital circuits, allowing a circuit designer to spend more time actually designing and less time determining device-specific implementation details.
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Patent
Method and apparatus for securing programming data of programmable logic device
Chiakang Sung,Bonnie I. Wang +1 more
- 14 Jan 1998
TL;DR: An SRAM-based programmable logic device having decompression and decryption circuits between its EPROM nonvolatile programming data storage and its SRAM programming registers is secured against copying of the programming data because a would-be copyist would need to know the compression and encryption used.
94