Combination of encryption and decryption for secure communication is an application. Here, the authors are using permutation and substitution technique to make the people’s data more secure. It is ...
I hope you enjoyed Ed’s guest posts on NP-complete problems on TV the last couple of Mondays. It’s always great to hear from others on math that they are thinking about. This week it’s me again, and ...
Last week’s installment on columnar transposition ciphers described a formula for the underlying permutation for a CTC. If we assume that the number of columns being used divides the length of the ...
SAFER+ Characteristics Encrypting Structure faster diffusion than for substitution-permutation cipher Byte Orientation During encryption and decryption, all operations are on bytes. Group operation at ...
BEIJING, Oct. 7, 2025 /PRNewswire/ -- WiMi Hologram Cloud Inc. (NASDAQ: WIMI) ("WiMi" or the "Company"), a leading global Hologram Augmented Reality ("AR") Technology provider, today announced that ...
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