Using only associated word as wordlist

[Commanche4]

Hi, I have made a list like username:hash

Can I somehow use the username associated with the hash on every line as the only guess?

I can put all the usernames in a wordlist, but I am only interested in finding out if the username is used as the password. It would significantly speed up the test if only one guess is made for each hash, and not the entire username database for each hash.

[Chick3nman]

You are looking for "Single Mode". We do not currently support this as it is fairly inefficient on GPUs with our attack architecture. JTR supports this, but forces the use of some rules for workload tuning. You should probably try that out.

[Commanche4]

That worked beautifully! Thanks for the tip.