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. 2015 Oct 30;5:15914. doi: 10.1038/srep15914

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All s, s and s are private, while all s are public. Alice can only decrypt to further get with the key . Finally, Bob can rightly get by computing .

Inline graphic — All s, s and s are private, while all s are public. Alice can only decrypt to further get with the key . Finally, Bob can rightly get by computing .