2 ms·NIST did specify a SHA-512/256 that has its own IV, like SHA-384.by briansmith 9y agoNIST did specify a SHA-512/256 that has its own IV, like SHA-384.tptacek 9y agoTouche!ktta 9y agoEven SHA-224 has it's own IV, while it's internals are exactly the same as SHA-256