'Quackers' tarnish quantum secrecy's halo of invincibility
15 October 2008
As the first network protected by quantum cryptography is switched on, eavesdroppers are using increasingly sophisticated methods to crack such "unhackable" systems
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Found 60 results for alice bob
Laser cracks 'unbreakable' quantum communications
3 October 2008
Sending a bright pulse of light lets an eavesdropper hijack quantum equipment so they can intercept secrets without detection
'Twisting' light packs more information into one photon
23 March 2008
How much can you say with a single photon? Until now, the limit has been 1 bit of information – a new quantum twist raises that to 1.63 bits
'Quantum ATM' rules out fraudulent web purchases
7 November 2007
A "quantum key" passed from the ATM to a cellphone could make it impossible for someone to use your credit card to make fraudulent transactions online
'Half-quantum' cryptography promises total security
17 October 2007
Sharing an encryption key securely is possible even if one party remains firmly rooted in the world of classical physics
Noise keeps spooks out of the loop
23 May 2007
A novel method of encrypting messages is proposed that uses the natural thermal noise created by resistors
Quantum decoys create uncrackable code
10 November 2004
A breakthrough in quantum cryptography has brought uncrackable codes a step closer
Quantum key makes video spy-proof
14 May 2004
Encryption can now be performed fast enough to secure moving pictures
The secret is out
29 November 2003
Claims that quantum cryptography is uncrackable are like a red rag to a bull for hackers. And against all expectations, they're discovering its weak spots. Mark Kendall Anderson reports
Their secret's safe
24 May 2002
At last Bob and Alice can exchange messages without worrying about eavesdroppers
