For what it's worth, I consider this a feature. There have been proposals to make sha1: and other schemes, but every system will need hash agility (as better al

For what it's worth, I consider this a feature. There have been proposals to make sha1: and other schemes, but every system will need hash agility (as better algorithms are invented and flaws are found in old ones). A single system should be able to resolve every relevant hash algorithm.