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slides - Stanford Crypto Group

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Pairing-based cryptography<br />

IBE<br />

Short<br />

Signatures<br />

<strong>Group</strong><br />

Signatures<br />

BDHI<br />

Generic group model<br />

This paradigm works!<br />

Get new capabilities.<br />

Understand what we assume.<br />

Use falsifiable, standard-model assumptions.<br />

Broadcast<br />

Encryption ABE NIZK<br />

Subgroup<br />

Decision<br />

Why has ROM-based cryptography not taken a similar direction?<br />

1/9/13 Bellare, <strong>Stanford</strong> RWC Workshop<br />

. . .<br />

Issues and counter-examples similar to (or<br />

worse than!) those for the ROM [Fi00,De02]<br />

45<br />

. . . BDH LIN q-SDH BDDHE

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