vanity SHA-1 hash text file C program
Dev tools
hash vanity tool
SHOW HN2025
vanity SHA-1 hash text file C program
A C program to create a vanity SHA-1 hash for a text file
gist.github.com58points
24comments
#1,147of 3,837 in 2025
Top 30%of 2025 by points
How HN took it
CuriousMostly questions and neutral comments
2 positive, 11 neutral or asking, 0 mixed, 1 critical, out of 14 comments about the project. Thread score +0.09.
Design: 0 for, 1 againstIdea: 1 for, 0 against
The thread, comment by comment
Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.
positive neutral or mixed critical about another commenter or something else the maker
What HN said
What people liked
Cool idea and clever use of capitalization as entropy
From 2 comments
Cool! I made a multithreaded version about 10 years that works for binary files like .zip files: https://github.com/century-arcade/src/tree/master/tools/vainhash
saulpw on HNSmart!
keepamovin on HN
Objections
Website design looks unprofessional and distracting
From 1 comment
This is cute but it works in the opposite for me, looks very unprofessional and gives the impression you get distracted with nerdy internals instead of building product.
TZubiri on HN
Questions
How are internal file checks handled when overwriting bytes
From 1 comment
Cool! How do you handle internal checks in the files? How does overwriting 8 zeroes not break stuff?
keepamovin on HN
Alternatives named
Multithreaded vanity hash tool for binary files like zip
From 1 comment
Cool! I made a multithreaded version about 10 years that works for binary files like .zip files: https://github.com/century-arcade/src/tree/master/tools/vainhash
saulpw on HN