本算法基于leon2协处理器接口标准，内含testbench，在modelsim中仿真通过，在ise9.2中综合及后仿真通过。,The algorithm is based on the leon2 co-processor interface standard, including testbench, ModelSim simulation in the adoption, in ise9.2 integrated and adopted after the simulation.

implementation for Secure Hash Algorithm 1 SHA-1 in vhdl language contain no test file.