Cryptology ePrint Archive: Report 2006/409

A NEW MAC: LAMA

Li An-Ping

Abstract: In this paper, we will propose a MAC with two versions, which is called LAMA. The proposal MAC has the input size of 128 bits and 256 bits in the versions 1, 2 respectively, and output size of 128 bits. There have not been found a attack better than the exhaustive search attack for the MAC, and it has a fast implementations in about 5 cycles/byte in the both versions.

Category / Keywords: secret-key cryptography / keyed hash functions, MAC

Date: received 12 Nov 2006, last revised 28 Nov 2006

Contact author: apli0001 at sina com

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Version: 20061129:025534 (All versions of this report)

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