Patent
Method of designing optimum encryption function and optimized encryption apparatus in a mobile communication system
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TLDR
In this paper, a method of designing an optimum encryption algorithm and an optimized encryption apparatus is described. But the method is not applicable to the problem of finding the optimal ciphertext.Abstract:
A method of designing an optimum encryption algorithm and an optimized encryption apparatus are disclosed. In the encryption apparatus, a function block produces a first ciphertext of length 2n by encrypting a first plaintext of length 2n with an encryption code of length 4n generated from a key scheduler, and a second ciphertext of length m by encrypting the first ciphertext with a second plaintext of length m under the control of a controller. A memory stores the second ciphertext.read more
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References
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Patent
Block cipher cryptographic system
TL;DR: In this paper, a cryptographic system for encrypting a block of binary data under the control of a key consisting of a set of binary symbols is presented, which is utilized within a data processing environment to ensure complete privacy of data and information that is stored or processed within a computing system.
Patent
Data encryption system for encrypting plaintext data
TL;DR: In this paper, a preset master key is used to obtain a set of round subkeys, and each of the plaintext data blocks is encrypted by using the master key and combining the encrypted blocks.
Patent
Variant key matrix cipher system
TL;DR: In this article, a product cipher is used to encode a stream of binary data by using a modulo-two addition function, which is dependent on previous internal cipher digits transmitted and varies for each message bit processed.
Book ChapterDOI
Small and High-Speed Hardware Architectures for the 3GPP Standard Cipher KASUMI
Akashi Satoh,Sumio Morioka +1 more
TL;DR: In this paper, the authors designed compact and high-speed implementations of the KASUMI block cipher and compared several prototypes to existing designs in ASICs and FPGAs.