SHA-512 and Whirlpool are still designed to be very fast. The point is, you want...

tptacek on May 3, 2009 | parent | context | favorite | on: Can you trust 37signals with your password?

SHA-512 and Whirlpool are still designed to be very fast. The point is, you want to slow down the password hashing operation. So SHA-512, SHA-256, and SHA-1 are all fine, as long as you iterate them several thousand times.