Comment Re:Ciphersuite Negotiation (Score 1) 89
Again, any algo considered secure today may be rendered useless by a discovery tomorrow. That's the nature of cryptography. Time and again we have seen that what we considered "unbreakable" (within reasonable time) offered some side channel attack or an implementation flaw (or worse, as in SSL3, a design flaw that CANNOT be patched) that turned it into a useless waste of computing cycles.
You cannot "promise" that whatever protocol, implementation or procedure you offer will be secure for the next X days/weeks/years with absolute certainty. Hell, given what went down within the last 12 months, anything could blow up tomorrow.
But until it does, it is secure. Security is a bit like a scientific theory. Sound and solid and true and real... until someone comes in and proves it wrong.