Cresterea securitatii sistemelor informatice si de comunicatii prin criptografia cuantica

Details Cresterea securitatii sistemelor informatice si de comunicatii prin criptografia cuantica Cresterea securitatii sistemelor informatice si de comunicatii prin criptografia cuantica

2010-06-28

arxiv.org/abs/1006.5381v1

Computer Science

Cryptography and Security

24 pag

Scientific paper

Catch 22 of cryptography - "Before two parties can communicate in secret, they must first communicate in secret". The weakness of classical cryptographic communication systems is that secret communication can only take place after a key is communicated in secret over a totally secure communication channel. Here comes quantum key distribution which takes advantage of certain phenomena that occur at the subatomic level, so that any attempt by an enemy to obtain the bits in a key not only fails, but gets detected as well.

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