Introduction

网络空间安全创新创业实践 (Cyberspace Security Innovation and entrepreneurship practice project)

202000460071 Xiaohan Ni

Status

Project	Readme
Do your best to optimize SM3 implementation (software)	SM3
Implement the naïve birthday attack of reduced SM3	Hash Collision , Birthday Attack
Implement the Rho method of reduced SM3	Hash Collision , Rho Attack
Implement length extension attack for SM3, SHA256	Length Extend Attack
Implement Merkle Tree following RFC6962	Merkle Tree
Find a key with hash value sdu_cst_20220610 under a message composed of your name followed by your student ID. For example, San Zhan 202000460001.	mewo, invertibility
Find a 64-byte message under some $k$ fulfilling that their hash value is symmetrical	mewo, symmetry
Other...	SM4 , SM2

Build

Python

virtual env

For python, virtual env is recommanded. Type the following command in terminal.

python -m venv venv

Activate the venv

./venv/Script/activate

To exit:

deactivate

Python Library

# provide api for sm3
pip install snowland-smx==0.3.1

C/C++

Generally use CMake(3.5+) to build c/c++ project. Choose your build tools use -G.

mkdir build
cd build
cmake .. -G="MingW Makefiles"
make

Or:

cmake -S . -B build
cmake --build build

• build\bin: Executable test programs
• build\lib: Static lib