Reading the Crypto Classics: Rivest, Shamir, and Wagner: „Time-Lock Puzzles and Timed-Release Crypto“

27.10.2021 10:00-11:00

Moderator: Vukasin Karadzic (TU Darmstadt, Cryptoplexity Group) | Location: Online

Organizer: Christian Janson, TU Darmstadt, Cryptoplexity Group


This is the first talk in the seminar series „Reading the Crypto Classics“ for the winter term 2021/22. The idea of this seminar is to jointly read classical milestone papers in the area of cryptography, to discuss their impact and understand their relevance for current research areas. The seminar is running as an Oberseminar, but at the same time meant to be a joint reading group seminar of the CROSSING Special Interest Group on Advanced Cryptography with all interested CROSSING members being invited to participate.

This issue will cover the paper

Rivest, Shamir, and Wagner: „Time-Lock Puzzles and Timed-Release Crypto“ (1996); available at with the following abstract (extracted from the introduction):

„Our motivation is the notion of “timed-release crypto„, where the goal is to encrypt a message so that it can not be decrypted by anyone not even the sender until a pre-determined amount of time has passed.“

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