Sergey Agievich, Victor Galinskij, Nikolai Mikulich, Yuriy Kharin · 2026 · arXiv (Cornell University)
DOI: 10.48550/arxiv.2610.31178 · cited by 0 works (OpenAlex) · open-access PDF
BelT是一个具有128位区块大小和256位密钥的区块加密器,在白俄罗斯开发并作为加密和完整性控制的白俄罗斯国家标准STB 34.101.31的一部分采用,其规格于2007年作为初步标准发布,并于2011年成为最终标准。BelT采用了八轮结构,结合了Feistel网络和Lai-Massey计划的元素。本文提供了加密器的完整描述,并解释了其设计的基础原理。
Machine translation (Meta M2M100); the English original follows.
BelT is a block cipher with a 128-bit block size and a 256-bit key, developed in Belarus and adopted as part of the Belarusian national standard STB 34.101.31 for encryption and integrity control. Its specification was issued as a preliminary standard in 2007, becoming a final standard in 2011. BelT employs an eight-round structure combining elements of a Feistel network and the Lai-Massey scheme. This paper presents a complete description of the cipher and explains the principles underlying its design. Software performance and possible optimizations of BelT are discussed in comparison with those of candidates in the Advanced Encryption Standard (AES) competition.
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Topics: Block cipher, Computer science, CBC-MAC, Block cipher mode of operation, Triple DES, Transposition cipher
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