SHA1算法的MCS-51平台实现，原创代码，专门为8位机优化,C语言和汇编与语言混合编程。完整KeilC工程，有测试代码。

优化后速度:一次SHA1(64字节),66363个指令周期,对应16MHz DS80C320 16ms

代码空间:字节,C支持库148字节(可覆盖)

数据空间:xdata 320(0x140)字节(可覆盖),data 34字节(可覆盖)

-SHA1 algorithm MCS-51 platform, original code, specifically for the 8-bit machine optimization, C and assembly language programming with the language-mixing. Full KeilC projects, a test code. Optimized speed: once SHA1 (64 bytes), 66363 instruction cycles, corresponding to 16MHz DS80C320 16ms code space: Byte, C support library 148 bytes (which can cover) data space: xdata 320 (0x140) bytes (which can cover the ), data 34 bytes (can cover)