本文件规定了三种适用于需要轻量级密码的应用程序的分组密码 加密实现: -目前:一种块大小为64位、密钥大小为80或128位的轻量级分组密码；-CLEFIA:一种轻量分组密码，块大小为128位，密钥大小为128、192或256位；-LEA:一种轻量分组密码，块大小为128位，密钥大小为128、192或256位。交叉引用:ISO/IEC 10116ISO/IEC 9797-1ISO/IEC JTC 1/SC 27ISO/IEC 18033-1ISO/IEC 29192-1ISO/IEC 11770-1ISO/IEC 9798-1购买本文件时可用的所有现行修订版均包含在购买本文件中。

This document specifies three block ciphers suitable for applications requiring lightweight cryptographic implementations: — PRESENT: a lightweight block cipher with a block size of 64 bits and a key size of 80 or 128 bits;— CLEFIA: a lightweight block cipher with a block size of 128 bits and a key size of 128, 192 or 256 bits;— LEA: a lightweight block cipher with a block size of 128 bits and a key size of 128, 192 or 256 bits.Cross References:ISO/IEC 10116ISO/IEC 9797-1ISO/IEC JTC 1/SC 27ISO/IEC 18033-1ISO/IEC 29192-1ISO/IEC 11770-1ISO/IEC 9798-1All current amendments available at time of purchase are included with the purchase of this document.