06-10-2020, 10:57 PM
I may get flak for going a bit off-topic, but...
From what i have researched from research papers(and stuff), routers mostly use part of sha1(and derivatives), md5 or base64 hashes for passkey generation(like doing sha1 hash and taking 10 first chars from that hash). I have been tinkering with those hashes and found out that they *may* follow some kind of rules. Maybe not, so here i am asking from professionals.
Example problem(let's say sha1): Is it possible to know the least possible character on 3rd position after knowing first two characters on sha1 hash? Or the least possible character on 4th position after knowing first three characters?
From what i have researched from research papers(and stuff), routers mostly use part of sha1(and derivatives), md5 or base64 hashes for passkey generation(like doing sha1 hash and taking 10 first chars from that hash). I have been tinkering with those hashes and found out that they *may* follow some kind of rules. Maybe not, so here i am asking from professionals.
Example problem(let's say sha1): Is it possible to know the least possible character on 3rd position after knowing first two characters on sha1 hash? Or the least possible character on 4th position after knowing first three characters?