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What is identity-based encryption?

April 26, 2017based encryption identity

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What is identity-based encryption?

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It is a variant of public-key cryptograpphy, in which a transformation from email addresses to key pairs is done by some central server. The catch is that the central server can reproduce anyone’s private key. The advantage is that the user only has to get a private key when he needs to decrypt something. With conventional public-key crypto, the user has to get a key before anyone can send him messages.