No. See https://security.stackexchange.com/questions/6141/amount-of-...
Time is not the bottleneck, energy is.
They invoke Landauer's principle which states that irreversible computation has an intrinsic cost in terms of energy per elementary operation, namely, k T ln(2) where k is the Boltzmann constant. Assuming brute-force search, more than 2^256 elementary operations would be needed, but that would require more energy than available if one converts the whole Sun's mass into energy.
