Kalyna Block Cipher
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Full article105 words · extracted from schneier.com · click to collapse
Kalyna is a block cipher that became a Ukrainian national standard in 2015. It supports block and key sizes of 128, 256, and 512 bits. Its structure looks like AES but optimized for 64-bit CPUs, and it has a complicated key schedule. Rounds range from 10-18, depending on block and key sizes.
There is some mention of cryptanalysis on reduced-round versions in the Wikipedia entry. And here are the other submissions to the standard.
Tags: academic papers, cryptanalysis, cryptography, encryption, Ukraine
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Text extracted automatically; images, tables and formatting may be missing. Original: https://www.schneier.com/blog/archives/2017/03/kalyna_block_ci.html