Thank you for the link to your repo, this it the first time I heard about length extension atracks. TIL, appreciate it! This SO answer explains them nicely, if

Thank you for the link to your repo, this it the first time I heard about length extension atracks. TIL, appreciate it! This SO answer explains them nicely, if anyone is curious: https://crypto.stackexchange.com/questions/3978/understanding-the-length-extension-attack#3979 https://crypto.stackexchange.com/questions/3978/understandin...