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  Cryptography and Security

• Peek-a-Boo, I Still See You: Why Traffic Analysis Countermeasures Fail [pdf]
  Kevin Dyer, Scott Coull, Thomas Ristenpart and Thomas Shrimpton
  To appear at IEEE Security and Privacy 2012
  

• Tag Size Does Matter: Attacks and Proofs for the TLS Record Protocol
  Kenneth G. Paterson, Thomas Ristenpart and Thomas Shrimpton
  Appeared at Advances in Cryptology -- ASIACRYPT '11
  

• Careful With Composition: Limitations of Indifferentiability and Universal Composability [pdf]
  Thomas Ristenpart, Hovav Shacham and Thomas Shrimpton
  Appeared at Advances in Cryptology -- EUROCRYPT '11
  (under the title "Careful With Composition: Limitations of the Indifferentiability Framework")

• Random Oracles With(out) Programmability [pdf]
  Marc Fischlin, Anja Lehmann, Thomas Ristenpart, Thomas Shrimpton,
  Martijn Stam and Stefano Tessaro
  Appeared at Advances in Cryptology -- ASIACRYPT '10

• Attacking the Knudsen-Preneel Compression Function
  Onur Özen, Thomas Shrimpton and Martijn Stam [pdf]
  Appeared at Fast Software Encryption'10 (Awarded "Best Paper")

• Salvaging Merkle-Damgard for Practical Applications
  Yevgeniy Dodis, Thomas Ristenpart and Thomas Shrimpton [pdf]
  Appeared at Advances in Cryptology -- EUROCRYPT'09

• Building a Collision-Resistant Compression Function from Non-Compressing Primitives [pdf]
  Thomas Shrimpton and Martijn Stam
  Appeared at ICALP'08

• How To Build A Hash Function from Any Collision-Resistant Function [pdf]
  Thomas Ristenpart and Thomas Shrimpton
  Appeared at Advances in Cryptology -- ASIACRYPT '07

• Seven-Property Preserving Iterated Hashing: ROX [pdf]
  Elena Andreeva, Gregory Neven, Bart Preneel and Thomas Shrimpton
  Appeared at Advances in Cryptology -- ASIACRYPT '07

• Deterministic Authenticated Encryption:
  A Provable-Security Treatment of the Keywrap Problem [pdf]
  Phillip Rogaway and Thomas Shrimpton
  A retitled, full version of what appeared at Advances in Cryptology -- EUROCRYPT '06
  (Specification of the associated Synthetic-IV mode of operation [pdf]; now RFC 5297)

• Threshold Password-Authenticated Key Exchange [pdf] [ps]
  Philip MacKenzie, Thomas Shrimpton, and Markus Jakobsson
  Appears in the Journal of Cryptology, 2006
  (An extended abstract appeared at Advances in Cryptology -- CRYPTO '02)

• On the Impossibility of Highly Efficient Blockcipher-Based Hash Functions [pdf]
  John Black, Martin Cochran and Thomas Shrimpton
  Appeared at Advances in Cryptology -- EUROCRYPT '05

• Cryptographic Hash Function Basics: Definitions, Implications, and Separations
  for Preimage Resistance, Second-Preimage Resistance, and Collision Resistance [pdf]
  Phillip Rogaway and Thomas Shrimpton
  Appeared at Fast Software Encryption '04

• Black-Box Analysis of the Block-Cipher-Based Hash-Function Constructions from PGV [pdf] [ps]
  John Black, Phillip Rogaway, and Thomas Shrimpton
  Appeared at Advances in Cryptology -- CRYPTO '02

• Encryption-Scheme Security in the Presence of Key-Dependent Messages [pdf] [ps]
  John Black, Phillip Rogaway, and Thomas Shrimpton
  Appeared at Selected Areas in Cryptography -- SAC '02