GitHub - vog/sha1: SHA-1 implementation in C++. Do not use SHA-1 unless you have to! https://en.wikipedia.org/wiki/SHA-1 #Birthday-Near-Collision_Attack_%E2%80%93_first_practical_chosen-prefix_attack
SHA-1 - Wikipedia
Secure Hash Algorithms | Brilliant Math & Science Wiki
Breaking Down: SHA-1 Algorithm. Looking under the hood and… | by Aditya Anand | InfoSec Write-ups