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If quantum computers are developed, the effective keylength of symmetric ciphers will be halved. So a 256-bit AES key will give the same security as a 128-bit AES key does today. It's still secure, but systems that only use 128-bit AES will have to be changed.

William Whyte
– William Whyte

2010-05-06 06:18:53 +00:00
Commented May 6, 2010 at 6:18
@William: Interesting, I did not know that. For those interested, information about the algorithm can be found here

BlueRaja - Danny Pflughoeft
– BlueRaja - Danny Pflughoeft

2010-05-06 13:19:46 +00:00
Commented May 6, 2010 at 13:19

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