A New Stream Cipher HC-256

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Paper 2004/092

A New Stream Cipher HC-256

Hongjun Wu

Abstract

HC-256 is a software-efficient stream cipher. It generates keystream from a 256-bit secret key and a 256-bit initialization vector. The encryption speed of the C implementation of HC-256 is about 1.9 bits per clock cycle (4.2 cycle/byte) on the Intel Pentium 4 processor. A variant of HC-256 is also introduced in this paper.

Metadata

Available format(s): PDF PS
Category: Secret-key cryptography
Publication info: Published elsewhere. A short version will appear in the proceedings of FSE 2004
Keywords: stream cipher HC-256 HC-256'
Contact author(s): hongjun @ i2r a-star edu sg
History: 2004-04-15: received
Short URL: https://ia.cr/2004/092
License: CC BY