As much as you could trust them 5 days ago. While SHA-1 should not be trusted too much because it has shown possible theoretical attacks SHA-2 still holds. Als

As much as you could trust them 5 days ago. While SHA-1 should not be trusted too much because it has shown possible theoretical attacks SHA-2 still holds. Also these kind of things are IP - there are a lot of eyeballs and scrutiny going on. There is much bigger chance of fraked up implementation that will make it insecure than the theory - there are a lot of independent researchers that have scrutinized them quite a bit. And while I am sure NSA employs a lot of very capable people they do not hold monopoly on world class cryptographers.