International Association for Cryptologic Research

International Association
for Cryptologic Research

CryptoDB

Nicholas J. Hopper

Publications

Year
Venue
Title
2007
TCC
From Weak to Strong Watermarking
Nicholas Hopper David Molnar David Wagner
2004
EUROCRYPT
Public-Key Steganography
Luis von Ahn Nicholas J. Hopper
2003
EUROCRYPT
CAPTCHA: Using Hard AI Problems for Security
Luis von Ahn Manuel Blum Nicholas J. Hopper John Langford
2002
CRYPTO
Provably Secure Steganography
Nicholas J. Hopper John Langford Luis von Ahn
2001
ASIACRYPT
Secure Human Identification Protocols
Nicholas J. Hopper Manuel Blum

Service

TCC 2009 Program committee
Crypto 2008 Program committee

Coauthors

Luis von Ahn (3)
Manuel Blum (2)
Nicholas J. Hopper (5)
John Langford (2)
David Molnar (1)
David Wagner (1)