It's the small chance that quantum computers will be developed in 20 years that's the problem. If so, anything encrypted today and recorded can be read in 20 years. This may not matter for most commercial data, but it does for governmental top secret data. This is why the NSA is so interested.
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It's the small chance that quantum computers will be developed in 20 years that's the problem. If so, anything encrypted today and recorded can be read in 20 years. This may not matter for most commercial data, but it does for governmental top secret data. This is why the NSA is so interested.