It's not the full length RSA key that's the worry, though, it's the structure around it that Bleichenbacher finds clever ways of poking holes in.
I don't think Voyager would be very vulnerable to an adaptive chosen ciphertext attack regardless. But you don't need the 70s maths to be wrong, you only need the engineering to have a flaw.
Is today's engineering different? One could argue that we have 50 years more of experience with the engineering (though the components have changed too, requiring newish engineering), and I would guess that we invest more resources in such things these days.
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It's not the full length RSA key that's the worry, though, it's the structure around it that Bleichenbacher finds clever ways of poking holes in.
I don't think Voyager would be very vulnerable to an adaptive chosen ciphertext attack regardless. But you don't need the 70s maths to be wrong, you only need the engineering to have a flaw.
Is today's engineering different? One could argue that we have 50 years more of experience with the engineering (though the components have changed too, requiring newish engineering), and I would guess that we invest more resources in such things these days.