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Sunday, September 12, 2021

GRAND Decodes Data Universally?

Implications for general cryptography?      Trying to get a reading. 

Universal System Decodes Any Type of Data Sent Across a Network By MIT News,  September 10, 2021  in CACM

Scientists at the Massachusetts Institute of Technology (MIT), Boston University, and Ireland's Maynooth University have programmed a universal algorithm to enable a silicon chip to decode any data transmitted across a network, irrespective of structure.

The Guessing Random Additive Noise Decoding (GRAND) algorithm removes the need for multiple computationally complex decoders.

GRAND guesses the noise or energy affecting the encoded data en route, and uses this pattern to infer the original information.

The algorithm produces noise sequences in the order they are likely to occur, eliminates them from the received data, and confirms that the resulting codeword is in a codebook.

The researchers say the GRAND chip could decode any moderate redundancy code up to 128 bits long, with approximately 1-microsecond latency.

From MIT News   View Full Article    

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