I'm using SHA-1 to detect duplicates in a program handling files. It is not required to be cryptographic strong and may be reversible. I found this list of fast
generative-art
leaflet.draw
dns
embedded-kafka
go-pg
custom-draw
callgrind
calc
jib
shopping
after-effects
directoryindex
angular-eslint
biometrics
appstore-approval
android-filter
jsonb-array-elements
awesomium
yii2-advanced-app
rows-affected
libgit2
busybox
gmock
extreact
bootstrap-datetimepicker
vmware-clarity
revoscaler
angular2-highcharts
google-closure-library
flash-video