Programmable logic device with decryption algorithm and decryption key

• Main Authors: Pang, Raymond C, Sze, Walter N, Wong, Jennifer, Trimberger, Stephen M, Thendean, John M, Rao, Kameswara K
• Format: Patent
• Language: English
• Published: 16.08.2005

To prevent copying of a design implemented in a programmable logic device (PLD), the PLD itself stores a decryption key or keys loaded by the designer, and includes a decryptor for decrypting an encrypted configuration bitstream as it is loaded into the PLD. The PLD also includes logic for reading h...