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Improved Attacks for Characteristic-2 Parameters of the Cubic ABC Simple Matrix Encryption Scheme
multivariate public key cryptography differential invariant MinRank
2017/3/6
In the last few years multivariate public key cryptography has experienced an infusion of new ideas for encryption. Among these new strategies is the ABC Simple Matrix family of encryption schemes whi...
An Asymptotically Optimal Structural Attack on the ABC Multivariate Encryption Scheme
multivariate public key cryptography differential invariant
2016/1/9
Historically, multivariate public key cryptography has been less
than successful at offering encryption schemes which are both secure and ef-
ficient. At PQCRYPTO ’13 in Limoges, Tao, Diene, Tang, a...
We suggest a new framework for block ciphers named Advanced Block Cipher, or shortly ABC. ABC has additional non-secret parameters that ensure that each call to the underlying block cipher uses a diff...
σ-LFSR在序列密码算法ABC中的应用
序列密码 ABC 快速软件加密
2009/5/12
σ-LFSR是一种基于字的，在安全性和效率上达到较好折衷的反馈移位寄存器。该文利用一个σ-LFSR替代序列密码算法ABC中的LFSR，使得ABC的周期由232(2127-1)变为232(2128-1)，且其二元域上等价LFSR反馈多项式的Hamming重量由3增加到65，恰好等于次数的一半。此改进增强了ABC抵抗快速相关攻击的能力，同时改进后的软件实现效率与原来相当。