Further to above, creating the device with "--hash sha256" works too - a variant on the above problem. Curiously, a luksDump still shows "Hash spec: sha1" though I don't know if it's related.
Further to above, creating the device with "--hash sha256" works too - a variant on the above problem. Curiously, a luksDump still shows "Hash spec: sha1" though I don't know if it's related.